HOKA Chiang Mai Thailand by UTMB®
Nov 27PAO Park100 mi, 100K +2
Also 100 miles, by UTMB World, registration open
100 mi100K50K20KRegistration open
Arc of Attrition by UTMB®
Perranporth, Cornwall, United KingdomUTMB World
- Days to go
- 92
At a glance
- Date
- Jan 22–24, 2027
- Location
- Perranporth, Cornwall, United Kingdom
- Distances
- 100 mi, 100K, 50K, 20K
- Registration
- Open, via arcofattrition.utmb.world
- Competition
- UTMB World Series
Listed from UTMB Index. Checked Oct 18, 2026.
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Build my planAbout this race
Arc of Attrition is a UTMB World Series coastal ultra marathon event held in Cornwall, UK, featuring distances ranging from 20K to 100 miles along the Cornish coastline.
Key dates
Race day
Jan 22, 2027
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Race planning
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