The email you receive once you have entered will be your receipt of entry and you will be required to give an email address, which we will use to stay in touch with you about the event. You will not receive any other confirmation or any other information by post.  As a company one of our responsibilities is to help look after our environment, we do this in several ways and trying to use less paper is one!  You can also stay in touch with all the latest news and information about the event on Facebook and Instagram as well as our website.

Entry Fees

2024 entry  fees are as follows: Arc of Attrition – £210 (£212 unaffiliated), Arc50– £125 (£127 unaffiliated), and includes the hire of a compulsory GPS tracking device which allows race HQ (and friends and family) to track your progress online.

Entry, refunds, deferrals and withdrawal

Please read this section carefully and do not enter the event if you are not willing to adhere to these conditions.

We expect the event to be heavily oversubscribed and advise early entry.

Once you have a full entry we are not able to offer any refunds or transfers of your entry.

We do understand that things can change. We will accept withdrawals from the race at any time up to the entry closure date of 31st October 2023. Unfortunately, we are unable to offer refunds, so if you do need to withdraw for any reason, you will be able to a defer your entry to 2025. After the 31st October 2023, we are unable to offer any deferrals or refunds. You can only defer your entrance once.

Any deferrals will be subject to payment of an admin / cost inflation fee payable at the point you take up your deferral. You will be sent instructions of how to take up your deferral around the date that entries open for the 2025 event. Please ensure you look out for this email and respond within the timeframe.

For safety reasons, we do not allow you to transfer your entry to another person at any time. The person taking part in the event must be the person entered and you may be asked to prove your identity at registration.

We do not allow entry on the day.

Please ensure that you have read and agree to all other terms and conditions and understand the nature of the event before you enter.

For all deferrals or queries about your entry, our terms and conditions or entry disclaimer, please send an email to entries@mudcrew.co.uk.

Arc of Attrition

• GPS tracking device which allows race HQ (and friends and family) to track your progress online.
• 4 checkpoints hot food options, hot drinks and a selection of other goodies.
• Mobile support crews (Arc Angels) will be found at suitable access points between the checkpoints. Each crew will have emergency water, coke, gels and nutrition.
• Official event photography.
• 100M status towards UTMB qualification.

All finishers will be awarded an exclusive and much coveted 100mile buckle.

• Black Buckle – sub 24 hour finish
• Gold Buckle – Sub 30 hour finish
• Silver Buckle – Sub 36 hour finish.

Arc 50

• GPS tracking device which allows race HQ (and friends and family) to track your progress online.
• 1 checkpoint hot food options, hot drinks and a selection of other goodies.
• Mobile support crews (Arc Angels) will be found at suitable access points between the checkpoints. Each crew will have emergency water, coke, gels and nutrition.
• Official event photography.
• 100K ststus towards UTMB qualification.

All finishers will be awarded an exclusive MudCrew Arc50 medal.

The 2024 Arc of Attrition takes place on Friday 26th January 2024.

The 2024 Arc50 takes place on Saturday 27th January 2024.

Arc of Attrition – 12 noon Friday 26th January 2024

The race starts at 12.00 noon on Friday 26th January 2024 and competitors will be bussed to the start area from the race HQ at the Eco Park in Porthtowan. TR4 8HL. Grid Reference SW 696 468.

• Registration and kit check will be at the Eco Park, Porthtowan. TR4 8HL.
• Ample parking on site – please follow any directions and signage. Please do not park in the marked bus waiting areas.
• Registration is open from 6.15am and will close promptly at 8.45am on Friday. Follow signs to registration from the carpark.
• Early registration is also open on Thursday evening between 5pm and 7pm.
• All competitors must be at the Eco Park by 8.45am on Friday morning ready for transportation to the start.
• Buses will leave promptly after registration closes.
• Please bring your support crew contact details as well as your own details to registration as we will be recording these on the day in order to ensure we have the most up to date information.
• Once you have registered and we have checked your kit, you will be issued with a GPS tracker, which will need to be attached to your rucksack, we will help you with this. Please do not lose this as you will be charged for a replacement.
• Busses leave The Eco Park for Coverack promptly after registration closes. All participants must travel to the start of the race on the bus or MudCrew support vehicles.
• UNDER NO CIRCUMSTANCES MUST ANY MEMBER OF SUPPORT CREW OR SPECTATORS GO TO COVERACK FOR THE START OF THE RACE. PARKING IS EXTREMELY LIMITED AND WE REQUIRE ACCESS TO ENSURE THE RACE GETS AWAY IN A TIMELY FASHION.
• The race starts at 12 Noon in Coverack. TR12 6TF. SW 784 186. There are public toilets available and competitors must be dressed ready to race. No kit can be left on the bus or at the Eco Park in Porthtowan.
• The Race finishes at the Eco Park, Porthtowan. We’ll open the bar at around noon on Saturday and start the party to welcome you back.
• All finishers will be awarded an exclusive and much coveted MudCrew 100mile buckle.
• Camping is available for tents and campervans at the EcoPark Porthowan. Further details and bookings can be made direct to them. Details at mpecopark.co.uk 01209 891500.
• Presentation of prizes for the event will take place at the Eco Park at 10.30am on Sunday.

Arc 50 – 08:30 Saturday 27th January 2024

The race starts at 08.30 am on Saturday 27th January 2024 and competitors will be bussed to the start area from the race HQ at the Eco Park in Porthtowan. TR4 8HL. Grid Reference SW 696 468.

• Registration and kit check will be at the Eco Park, Porthtowan. TR4 8HL.
• Ample parking on site – please follow any directions and signage. Please do not park in the marked bus waiting areas.
• Registration is open from 3.30am and will close promptly at 5.30am on Saturday. Follow signs to registration from the carpark.
• Early registration is also open on Friday evening between 5pm and 7pm.
• Buses will leave promptly after registration closes.
• All competitors must be at the Eco Park by 5.30am on Saturday morning ready for transportation to the start.
• Please bring your support crew contact details as well as your own details to registration as we will be recording these on the day in order to ensure we have the most up to date information.
• Once you have registered and we have checked your kit, you will be issued with a GPS tracker, which will need to be attached to your rucksack, we will help you with this. Please do not lose this as you will be charged for a replacement.
• Busses leave The Eco Park for The Minack promptly after registration closes. All participants must travel to the start of the race on the bus or MudCrew support vehicles.
• The race starts at 08.30 at The Minack Theatre in Porthcurno. TR19 6JU. SW 384 223. There are public toilets available and
  competitors must be dressed ready to race. No kit can be left on the bus or at the Eco Park in Porthtowan.
• The Race finishes at the Eco Park, Porthtowan. We’ll open the bar at around noon on Saturday and start the party to welcome you back.
• All finishers will be awarded an exclusive and much coveted MudCrew Arc50 medal.
• Camping is available for tents and campervans at the EcoPark Porthowan. Further details and bookings can be made direct to them. Details at mpecopark.co.uk 01209 891500.
• Presentation of prizes for the event will take place at the Eco Park at 10.30am on Sunday.

Arc of Attrition

To checkpoint 1 – Coverack to Porthleven. Section total : 24.5 miles.
Checkpoint Porthleven Football Club. TR13 9LQ. SW 627 262
Cut Off at Porthleven : 19:30 Fri

Support Crew Access points for this section (suggested):
Cadgwith Cove 7 m
Lizard point 10 m
Kynance Cove. 12.5 m
Mullion Cove. 17 m
Church Cove Gunwalloe 20 m

To checkpoint 2 – Porthleven to Penzance. Section Total : 14.0 miles.
Checkpoint Penzance Rugby Club. TR18 4LY. SW 467 296.
Cut Off at Penzance: 23:45 Fri

Support Crew Access points for this section (suggested)
Praa Sands 4.5 m
Perranuthnoe 8.5 m
Marazion 10.8 m

To checkpoint 3 – Penzance to Lands End. Section Total :16.5 miles.
Checkpoint Café, Land’s End Hotel. TR19 7AA. SW 343 250.
Cut Off at Land’s End : 05:30 Sat

Support Crew Access points for this section below (suggested):
Newlyn 2.0 m
Mousehole 3.7 m (No support crews or spectators allowed)
Lamorna 6.1 m
Penbeth 10.3 m (No support crews or spectators allowed)
Porthcurno 11.5 m
Porthgwarra 12.7 m

To checkpoint 4 – Land’s End to St Ives. Section total : 24 miles.
Checkpoint Island Community Centre, St Ives. TR26 1SY. SW 519 609.
Cutoff at St Ives : 14:00 Sat.

Support Crew Access points for this section (suggested):
Sennen 1.2 m
Cape Cornwall 6.4 m
Pendeen Watch Lighthouse (No support crews or spectators allowed) 10.4 m (additional safety cut-off 09:00
Saturday at Lighthouse Car Park)

Please note: This is a very remote section of the course with little
access by vehicles except in these two locations and we need to
advise of the dangers of old mine workings. This is also the most
difficult section to navigate.

To the finish – St Ives to Porthtowan. Section total : 22 miles.
Finish at the Eco Park, Porthtowan. TR4 8HL. SW 696 468.
Cut Off at Eco Park, Porthtowan : midnight Sat.
http://www.mpecopark.co.uk/

Support Crew access points for this section (suggested):
Lelant 4m
Hayle 6 m
Gwithian 10 m
Godrevy 11 m (additional safety cut-off 19:00 Saturday at
Godrevy Café Car Park)
Portreath 18 m
Overall cut off is 36 hours.

Please note that all cut-offs will be strictly enforced. To avoid being cut-off and withdrawn, you must arrive at the checkpoint before the cut-off and exit the checkpoint no later than 20minutes after the cut-off time.

Please also note the additional safety cut-offs in place at Pendeen Watch Lighthouse Car Park and at Godrevy Café Car Park. You must leave these locations before the cut-offs.

Arc 50

To checkpoint at St Ives – Porthcurno to St Ives. Section
Total: 28 miles.

Checkpoint Checkpoint Island Community Centre, St Ives. TR26 1SY. SW 519 609.
Cut Off at St Ives: 17:00 Sat

Support Crew Access points for this section below (suggested):
Porthgwarra 1.7 m
Land’s End 5.0 m
Sennen 6.2 m
Cape Cornwall 11.4 m
Pendeen Watch Lighthouse (no support crews or spectators allowed) 15.4 m (additional safety cut-off 12:30 Saturday at Pendeen Watch Lighthouse Car Park)
Additional Safety cut-off to be added at Zennor. 15.30.

Please note: This is a very remote section of the course with little access by vehicles except in these two locations and we need to advise of the dangers of old mine workings. This is also the most difficult section to navigate.

To the finish – St Ives to Porthtowan. Section total: 22 miles.
Finish at the Eco Park, Porthtowan. TR4 8HL. SW 696 468.
Cut Off at Eco Park, Porthtowan: midnight Sat.
http://www.mpecopark.co.uk/

Support Crew access points for this section (suggested):
Lelant 4m
Hayle 6 m
Gwithian 10 m
Godrevy 11 m (additional safety cut-off 20:00 Saturday at Godrevy Café Car Park)
Portreath 18 m

Overall cut off is 15.5 hours.

Please note that all cut-offs will be strictly enforced. To avoid being cut-off and withdrawn, you must arrive at the checkpoint before the cut-off and exit the checkpoint no later than 20minutes after the cut-off time. These rulings are strictly enforced.

Please also note the additional safety cut-offs in place at Pendeen Watch Lighthouse Car Park and at Godrevy Café Car Park. You must leave these locations before the cut-offs. This is strictly enforced.

Each checkpoint will be well stocked with at least three hot food options, hot drinks and a selection of other goodies and ultra-fare, including cold drinks, water and coke. There are toilet facilitates at all locations, which have seating, are inside, sheltered and warm.

In order to keep the checkpoints exclusively for participants, no support crew will be allowed to access the checkpoint at any time for any reason.

Checkpoints are located in residential areas and we would ask participants to respect the local neighbours and keep all noise to a minimum.

In addition, MudCrew will have several mobile support crews (Arc Angels) shadowing front, mid and rear runners for the duration of the event and will be found at suitable access points between the checkpoints. Each crew will have emergency water, coke, gels and nutrition.

With checkpoints approximately 20 miles apart, competitors will need the ability to be self-sufficient for long periods of time.

Arc of Attrition

There are 4 x Checkpoints on route spaced at approx. 20mile intervals.

Arc 50

There is one main checkpoints on route at St Ives at approx. the 29 mile mark.

This is a challenging footrace for experienced runners who must have the ability and experience of being self-sufficient for long periods.

The below list is compulsory. Your kit will be checked at registration and could also be subject to random checks at any time during the event and also at the finish. You risk disqualification if you do not have all kit with you personally at all times.

Additional items of kit may be added based on expected weather conditions. If necessary, we will advise you by social media in the days leading.

Arc of Attrition

• GPS tracker compulsory supplied and attached to your pack at registration.
• Quality waterproof jacket (taped/sealed seams. Minimum 10k HH waterproofing)
• Quality waterproof trousers (taped/sealed seams)
• Long tights / leg cover
• Warm hat
• Water resistant peak cap (only needed if no peak on waterproof jacket)
• Buff
• Emergency survival bag (suitable to provide full body cover)
• 2x base layer long sleeve (minimum – one can be worn)
• Whistle
• Mobile phone (fully charged and in a waterproof case)
• 2x head torches each with spare batteries and/or spare charged battery pack (minimum 100 lumens each)
• Red tail light (to be switched on and worn on back of pack at all times). Any red tail lights attached to headtorches do not fulfil this requirement.
• 2x pairs of gloves. (1x Liner and 1x Waterproof / Goretex type)
• Capacity to carry minimum 1.5 litres of water
• Emergency Food / Nutrition
• Rucsac
• Foldable reusable rubber/silicone drinks cup (to reduce plastic usage no disposable cups will be provided at the checkpoints)
• Outline simple route guide showing checkpoints and cut-offs and safety information (you will be issued a copy of this at registration and your support crew can also have a copy).

Advisory Items: Although the route follows the coast-path National Trail and is well marked, for those that wish to follow and navigate the route more closely, the following Ordnance survey maps cover the entire route. (shown in order of use).

• OS Explorer 103 The Lizard
• OS Explorer 102 Land’s End
• OS Explorer 104 Redruth and St Agnes

(Copies of these maps may also be useful for your support crew).

Arc 50

• GPS tracker compulsory supplied and attached to your pack at registration.
• Quality waterproof jacket (taped/sealed seams. Minimum 10k HH waterproofing)
• Quality waterproof trousers (taped/sealed seams)
• Long tights / leg cover
• Warm hat
• Water resistant peak cap (only needed if no peak on waterproof jacket)
• Buff
• Emergency survival bag (suitable to provide full body cover)
• 2x base layer long sleeve (minimum – one can be worn)
• Whistle
• Mobile phone (fully charged and in a waterproof case)
• 2x head torches each with spare batteries and/or spare charged battery pack (minimum 100 lumens each)
• Red tail light (to be switched on and worn on back of pack at all times). Any red tail lights attached to headtorches do not fulfil this requirement.
• 2x pairs of gloves. (1x Liner and 1x Waterproof / Goretex type)
• Capacity to carry minimum 1.5 litres of water
• Emergency Food / Nutrition
• Rucsac
• Foldable reusable rubber/silicone drinks cup (to reduce plastic
• usage no disposable cups will be provided at the checkpoints)
• Outline simple route guide showing checkpoints and cut-offs and safety information (you will be issued a copy of this at registration and your support crew can also have a copy).

Advisory Items: Although the route follows the coast-path National Trail and is well marked, for those that wish to follow and navigate the route more closely, the following Ordnance survey maps cover the entire route. (shown in order of use).

• OS Explorer 102 Land’s End
• OS Explorer 104 Redruth and St Agnes

(Copies of these maps may also be useful for your support crew).

Mandatory Kit: Your kit will be checked at registration and could also be subject to random checks at any time during the event and also at the finish. You risk disqualification if you do not have all kit with you personally at all times.

Mandatory Route Adherence: There are only two allowed deviations from the coast path. GPS route data can all be scrutinised at any time to ensure the integrity of the event and the results. If you stray from the coast path and you are deemed to have gained an advantage then you risk time penalty or disqualification. All decisions of the race referee are final.

Litter: Do we need to say: don’t drop litter ?

Cut-Offs: Please note that all cut-offs will be strictly enforced. To avoid being cut-off and withdrawn, you must arrive at the checkpoint before the cut-off and exit the checkpoint no later than 20minutes after the cut-off time.

Race Number / Vest: Please display the race number you are given at registration so that is visable on your front. Do not fold it so that your number, name, contact numbers or the barcode are not visible.

Age Limits: All participants must be 21 years or over.

Support Runners: Due to the nature of the course NO support runners are permitted on the route. Members of a runners support crew may access the route to provide needed support but are not permitted at any time to run with race participants. Participants risk disqualification if they run with support runners.

Safety: If we believe safety of participants, support crew or members of the public is being compromised in any way, MudCrew reserve the right to stop you from competing in this event at any time. Please only enter if you are willing to accept this.

Poles: Running / walking poles are permitted.

Unsupported runners: Unsupported runners without their own support crew, are permitted a small drop bag which will be available at The Land’s End Checkpoint. Unsupported runners should bring their drop bag to registration where it will be transported to Land’s End checkpoint for you.

Supported runners: Supported runners are not allowed drop bags.

Dogs: No dogs allowed with participants.

If you need to drop out of the race for whatever reason you MUST return to Race HQ at Eco Park, Porthtowan ideally transported by your own support crew.

Any unsupported runners will be transported by MudCrew event support back to race HQ but priority will be given to runners still on the course. Once you arrive at race HQ please return your tracker as well as notifying race staff that you have withdrawn.

If you do not do this, you will be treated as missing and may incur call out charges from the emergency services and the coastguard. You will also incur a charge for not returning your GPS tracker.

Although this is a supported event with checkpoints and medical cover, due to the extent of the course and the time of year, we strongly advise you to have your own support crew.

We recommend that your crew have their own transport and are contactable by mobile phone during the weekend. We will ask you for their contact details when you register.

It may also be beneficial for them to have internet access which will allow them to track your progress using our online GPS tracking system.

Your support crew should be able to give you additional support out on the course and be available to pick you up in case of drop out or injury.

We strongly advise you to have a supporter to drive you from HQ after the event. Participants should not drive themselves home.

Arc of Attrition

Unsupported runners without their own support crew, are permitted a small drop bag which will be available at the Land’s End checkpoint only. Unsupported runners should bring their drop bag to registration where it will be transported to the Land’s End checkpoint for you. Once the checkpoint has closed, all drop bags will be transported back to the race finish at The Eco Park, Porthtowan. Supported runners are not allowed drop bags.

Arc 50

There are no drop bag facilities.

MudCrew Ltd – Participants Entry Disclaimer and Terms and Conditions. (Version 21.1.23)

Participants Entry Disclaimer

I know that running a road, trail or coastal running event is a potentially hazardous activity.  I should not enter unless I am medically able to undertake this event and also properly trained and equipped.  I agree to abide by any decisions of any race official or marshal and understand that any decisions made by the race organisers are final.  I assume all risks associated with participation in this event, including but not limited to, falls, contact with other participants, the effects of the weather, light levels, traffic, animals and the condition of the trail, path or road. All such risks being known and appreciated by me. I am over 21 years of age.

Having read this disclaimer and knowing these facts and in consideration of your accepting entry, I, for myself and for anyone entitled to act on my behalf, waive and release Mud Crew Ltd, all sponsors, their representatives and successors from all claims or liabilities of any kind arising out of my participation in the event.  I grant permission to all of the foregoing to use any photographs, motion pictures, recordings, or any other record of this event for any legitimate purpose and I am aware and agree to the data protection conditions outlined. 

I have read, understand and agree that my entry into this event is also subject to MudCrew’s Terms and Conditions and I am aware of the entry, refunds, deferrals and withdrawal rules, event cancellation policy and data protection details.

I also confirm that if I enter a person other than myself, that I have made them fully aware of the items in this disclaimer as well as the other Terms and Conditions and Refund and Deferral policy and that they too agree to them and have given their approval for me to confirm their understanding and acceptance of them and to sign to this effect on their behalf.

Terms and Conditions

Entry, refunds, deferrals and withdrawal.

Please read this section carefully and do not enter the event if you are not willing to adhere to these conditions.

MudCrew Ltd. do not, under any circumstances offer refunds or transfers of entries to another participant.

Once you have a full entry we are not able to offer any refunds or transfers of your entry to another person.

Please also ensure you read carefully the Entry, refunds, Deferral and withdrawal section in the relevant event guide and are aware of the event entry closure date.

In some events for anyone wishing to withdraw from a race, you have the option of deferring your entry to the corresponding event for the following year only. You can defer your entry by emailing entries@mudcrew.co.uk. You will receive a confirmation email if your deferral is accepted. Deferrals are only permitted up to the entry closure date. The entry closure date is clearly shown in the event guide. After this time MudCrew will not be able to accommodate any changes, transfers, deferrals, cancellations or refunds. If you do defer your entry, you will receive an email on or close to the entry opening of the event you have deferred to. This will invite you to take up your deferred entry. You need to respond to this email within the 30 day validity timeframe to confirm your entry. MudCrew cannot be liable for whatever reason for emails which have not been delivered and it is your responsibility to contact us should you not receive your deferral email. There is a fee payable when you take up your deferral to cover admin and/or for the difference in event price. Please remember that your option to defer is only valid for the 30days from the date that the event entry opens.

Clothing and Merchandise.

Should your entry include additional clothing or merchandise then this must be collected from race registration when it is open. This can be done in person or someone can collect on your behalf. Alternatively, if you do not attend the event, then you can contact MudCrew in the 30days following and arrange for your merchandise to be posted to you. This will be subject to additional packaging and postal charges. After 30 days, all unclaimed merchandise will be offered for general re-sale and or donated to charity.

Event Cancellation.

Should MudCrew need to cancel an event for a reason within their control, they will issue participants with a credit that may be used to transfer to another MudCrew event within one year. MudCrew are not liable to issue any refunds when events are cancelled by reason of factors not in their control.

Data Protection.

Please note that we hold data in accordance with the Data Protection Act (1998) and the General Data Protection Regulation (2018).  

• We will hold and store your data responsibly and securely. 
• We will only hold data for as long as it is needed but this may include historic race results etc. 
• We will only ask for information from you that is relevant to you entering our events. 
• Medical information will only be shared with medical services that we employ.
• We will only share information to third parties when needed as a requirement of what we do. This could include sending race results and reports to governing bodies for example. We will only provide the minimum required information and will make sure that they all have their own data policies. We will not share you information with other irrelevant third parties.
• You may at any time request that we delete your data that we hold.
• Unless you tell us otherwise, you allow us to use all imagery and references to yourself which we generate at an event to be used for publicity and marketing purposes.

Please see our website for more information on our events – www.mudcrew.co.uk

I have Read, understood and agree to this disclaimer and terms and conditions

signed by participant or the person making an entry on the participants behalf:

(physically at or before event and/or by electronic endorsement as a condition when entering)