Arc of Attrition by UTMB®Perranporth, Cornwall, UK, United Kingdom🇬🇧
146 days to go
- Date
- Jan 22 - 24, Fri - Sun · 13:00
- City
- Perranporth, Cornwall, UK, United Kingdom
Arc of Attrition by UTMB is one of the United Kingdom's leading coastal ultra marathons. Runners compete over 25 km, 50 km, 100 km or 100 miles on Cornwall's impressive South West Coast Path route.
Courses
| Course | Distance | Elevation Gain | Km-effort |
|---|---|---|---|
| 173K | 173 km | 5507 m D+ | 228 · XXL |
| 82.7K | 82.7 km | 2708 m D+ | 110 · M |
| 49.4K | 49.4 km | 1458 m D+ | 64 · S |
| 22.1K | 22.1 km | 744 m D+ | 30 · XS |
Calculators for this race
Registration
- StandardWed, Jul 15, 2026Registration open
Data sources: UTMB World Series, official site (arcofattrition.utmb.world) · Last checked:
Data is compiled automatically and may change; check the official source before entering.
Tune-up races
Prep races you can run in the weeks before this one, ahead of your taper.
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Frequently asked questions
(6)
What is Arc of Attrition by UTMB®?
Arc of Attrition by UTMB is one of the United Kingdom's leading coastal ultra marathons. Runners compete over 25 km, 50 km, 100 km or 100 miles on Cornwall's impressive South West Coast Path route.
When is Arc of Attrition by UTMB® 2027?
Arc of Attrition by UTMB® takes place on Fri, Jan 22, 2027 - Sun, Jan 24, 2027. Start time: 13:00.
Where does Arc of Attrition by UTMB® take place?
Arc of Attrition by UTMB® takes place in Perranporth, Cornwall, UK, United Kingdom.
What are the courses and distances of Arc of Attrition by UTMB® 2027?
Arc of Attrition by UTMB® offers 4 courses: 173K (173 km, 5507 m D+); 82.7K (82.7 km, 2708 m D+); 49.4K (49.4 km, 1458 m D+); 22.1K (22.1 km, 744 m D+).
How hard is Arc of Attrition by UTMB® 2027?
Difficulty is measured in km-effort: distance plus ascent divided by 100. The 173K course covers 173 km with 5507 m of climbing, which is 228 km-effort and falls in ITRA category XXL. All courses: 173K 228 km-effort (XXL), 82.7K 110 km-effort (M), 49.4K 64 km-effort (S), 22.1K 30 km-effort (XS).
What is the official website of Arc of Attrition by UTMB®?
Official website: https://arcofattrition.utmb.world/