Trail Running · Perranporth, United Kingdom
Arc of Attrition by UTMB
Arc of Attrition by UTMB takes place in Cornwall from 22 to 24 January 2027. At the official source check on 18 October 2026, Arc 100K was full; registrations for Arc 100M, 50K and 20K were open. Check the official registration platform for current availability and entry requirements.
AI-generated race illustration; not an official photograph of this event or its course.
Key facts
- Date
- 22 Jan 2027 — 24 Jan 2027
- Location
- Perranporth, Cornwall, UK, Perranporth, United Kingdom
- Sport
- Trail Running
Formats
trail-running
Confirm distances, divisions and entry availability with the organiser.
Official source
Official organizer source · 2026-11-02
View official event page ↗Official registration ↗Registration and race choices
Official information checked: 2026-11-02
- Arc 100K · 50K (2026-10-25)
- Full according to the organiser. Official source ↗
- Arc 100M · 20K (2026-10-25)
- Registration open according to the organiser. Official source ↗
- Registration
- Use the official platform; checkout and remaining places were not independently verified. Official source ↗
From event to preparation
Check the organiser’s confirmed format and equipment rules first. These independent guides help you assess what you already own and what you may need; they are not this event’s mandatory kit list.