Arc Of Attrition by UTMB

Coverack, United Kingdom • 22-25 Jan 2026

Event overview

Arc of Attrition by UTMB is a UTMB World Series trail event in Coverack, Cornwall, UK. The event is scheduled from 22 to 25 January 2026 and features point-to-point coastal races along the South West Coast Path, the UK's longest National Trail. The organiser notes that competitors will face winter conditions that can be unpredictable. The Arc of Attrition began in 2015 and the 2026 edition is the eleventh.

Races

  • Arc 100 - 23 January 2026 - 161.2 km, 5300 m+, 4 Running Stones
  • Arc 50 - 24 January 2026 - 80.5 km, 2550 m+, 3 Running Stones
  • Arc 25 - 25 January 2026 - 41.2 km, 1240 m+, 2 Running Stones
  • Arc 12 - 25 January 2026 - 24.2 km, 980 m+, 1 Running Stone

Each race is described as a coastal, point-to-point course along sections of the South West Coast Path. Race categories listed include ws100M, ws100KM, ws50KM and ws20KM. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K UTMB 100K UTMB 100M
161 km
Arc 100
81 km
Arc 50
41 km
Arc 25
24 km
Arc 12
Visit the organization's website for the most recent information.
Trail runs nearby

St Piran's Revenge 10K in Perranporth features a beach start and finish and a rugged coastal route over dunes, coastal path and moorland with over 1000 feet of climbing. Scenic, testing and a favourite with winter trail runners.

Run under fading light at Tehidy Country Park on 17 January 2026 with 2.5 km, 5 km and 10 km distances for all abilities. All finishers get a Twilight Run medal and personalised bibs, plus free photos and a friendly canicross welcome.

Tackle the Trilateral 40, a scenic 40 km trail around Fowey on 14 Feb 2026 via the Saints Way and coast path. Enjoy feed stations, live GPS tracking and finisher medals, with mandatory kit required for all runners 18 and over.

Run the rugged Cornish coast at Cousin Jack, with a scenic 18 mile point to point between St Just and St Ives or a challenging 35 mile out and back to Cape Cornwall. Expect rocky headlands, muddy sections and big climbs for stunning views.