Arc of Attrition by UTMB
· starts 7:00 PM (Fri)
Porthtowan, Cornwall, United Kingdom
Arc of Attrition by UTMB is a trail race of 100 miles (161 km) in Porthtowan, Cornwall, United Kingdom. The next edition is on Friday, January 22, 2027, starting at 7:00 PM (Fri). The race gives its climbing as 13,999 ft (4,267 m); measured from its course file, it's 19,728 ft (6,013 m). It starts at 73 ft (22 m) above sea level. Its high point is 390 ft (119 m). The course runs point to point. It's a UTMB World Series Event, whose top three men and women go straight to the UTMB Finals and a Western States 100 qualifier. Finishers earn 4 UTMB Running Stones toward the UTMB lottery. Registration is open to all; registration opened on March 25, 2025. The field is about 300 runners.
There are 9 other upcoming 100-mile races in United Kingdom. Arc of Attrition by UTMB climbs about 140 ft a mile (27 m per km), flatter than 65% of the 142 100-mile races listed with their climbing.
The course
Questions about Arc of Attrition by UTMB
When is Arc of Attrition by UTMB 2027?
Arc of Attrition by UTMB 2027 is on Friday, January 22, 2027, starting at 7:00 PM (Fri) local time.
Where is Arc of Attrition by UTMB?
Arc of Attrition by UTMB is held in Porthtowan, Cornwall, United Kingdom.
How long is Arc of Attrition by UTMB?
Arc of Attrition by UTMB is 100 miles (161 km); its course file measures 107 miles.
How much elevation gain does Arc of Attrition by UTMB have?
Arc of Attrition by UTMB has 13,999 ft (4,267 m) of elevation gain, as the race states it.
Is Arc of Attrition by UTMB a Western States qualifier?
Yes. Arc of Attrition by UTMB is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.
How do you get into Arc of Attrition by UTMB?
Arc of Attrition by UTMB has open registration. Registration opened on March 25, 2025.
Where can I see the Arc of Attrition by UTMB elevation profile and aid station cutoffs?
runfarwhere has Arc of Attrition by UTMB's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.
How hilly is Arc of Attrition by UTMB?
Arc of Attrition by UTMB climbs about 140 ft a mile (27 m per km), flatter than 65% of the 142 100-mile races listed with their climbing.
What other 100-mile races are there in United Kingdom?
Other upcoming 100-mile races in United Kingdom include Chester Ultra 100 (April 17, 2027), Thames Path 100 (May 1, 2027) and Ultra Trail Snowdonia by UTMB - Eryri 100M (May 14, 2027).
Other races in United Kingdom
- Chester Ultra 100 100 Mile · Apr 17, 2027
- Thames Path 100 100 Mile · May 1, 2027
- Ultra Trail Snowdonia by UTMB - Eryri 100M 163K · May 14, 2027
- South Downs Way 100 Mile · Jun 12, 2027
- West Highland Way 95 Mile · Jun 19, 2027
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