Skip to content
Endurance AnalyticsEndurance Analytics
  • Calendar
  • Trail Finder
  • Geo Quiz
  • Blog
  • AI Buddy
  • Contact
For organizers
Trail runningBiathlonSkiingSkimoOlympicsCalendarTrail FinderGPX AnalyzerRace Pace CalculatorAI BuddyComparePricingConnect AIBlog
For organizersRace website assistantFind my racePricingDocumentation

Know the course before you run it

© 2026 Endurance Analytics. All rights reserved.

Privacy policyTerms of serviceRefundsContact
  1. Home
  3. Trail running
  5. 2027
  7. UTMB World Series
  9. Arc of Attrition by UTMB

Arc of Attrition by UTMB 2027

Perranporth, United Kingdom · January 22 – 24, 2027

Arc of Attrition by UTMB 2027 (Perranporth, United Kingdom) is a trail running event held on January 22 – 24, 2027, with 4 races: Arc 100M (173km), Arc 100K (82.7km), Arc 50K (49.4km), and Arc 20K (22.1km).

Official websitearcofattrition.utmb.world

Races and distances

RaceDistanceD+ / D−StartStatus
Arc 100M173km5507m+January 22, 01:00 PMScheduled
Arc 100K82.7km2708m+January 23, 10:00 AMScheduled
Arc 50K
49.4km
1458m+
January 24, 09:00 AM
Scheduled
Arc 20K22.1km744m+January 24, 11:00 AMScheduled

Other editions of Arc of Attrition by UTMB2026·2025