Races›United Kingdom›England›Arc of Attrition by UTMB
Porthtowan, England, seen from above
Friday 22 January 2027

Arc of Attrition by UTMB

Porthtowan, England · United Kingdom
UltraCoastalEntries open

Along Cornwall's coast path in the depths of winter

Save to my season
Opens in RunCalendar.
Free on iPhone · No account needed.

Course

Four races on the South West Coast Path in Cornwall over a winter weekend: 173km with 5,507m of climb, 82.7km with 2,708m, 49.4km with 1,458m and 22.1km with 744m. The 100-mile sets off on the Friday, the 100K on the Saturday and the 50K and 20K on the Sunday. Rugged cliff path, relentless climbs and whatever the winter delivers.

Arc 100M173 km
Arc 100K82.7 km
Arc 50K49.4 km
Arc 20K22.1 km

Key dates

Date confirmed with the organiser · entry window checked by RunCalendar

About

A winter ultramarathon along Cornwall's South West Coast Path, starting from Porthtowan. Runners face relentless coastal climbs, sea fog and storms in January, with distances from 20K up to 100 miles along cliff-top trail.

Your next race, seen from above.
Save Arc of Attrition by UTMB to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
Get RunCalendar
More races in England All ›
Visit event website ›

A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.