Thu
29
Oct
2026
Events6 editions
GBRRunningTrail (provisional)160K · 160 km / 99.4 mi161.2K · 161.2 km / 100.2 mi165.5K · 165.5 km / 102.8 mi165.7K · 165.7 km / 103.0 mi
Arc Of Attrition — Arc of Attrition 100 miles
Location to be confirmed · GBR
No future date listed
About Arc Of Attrition — Arc of Attrition 100 miles
Arc Of Attrition — Arc of Attrition 100 miles is a running event in United Kingdom. Recorded disciplines include 160K, 161.2K, 165.5K, 165.7K. The listed surface is trail (provisional). No future date is currently listed on ATHRECS. The ATHRECS archive includes editions from 2020 to 2026. This describes the editions recorded here, not the event's founding date or complete history.
Athlete profiles
Explore some of the athletes with recorded results at Arc Of Attrition — Arc of Attrition 100 miles.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
The next date has not been announced here. Check the race website for updates.
Location & race day
Listed venue / area
Location to be confirmedGBR
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
Historical course record. Trail classification is provisional, based on inclusion in the UTMB Index; course surface has not been independently verified. Actual course distances are retained separately from UTMB Index categories.
- Surface:
- Trail (provisional)
Results
Public-figure or athlete-approved ATHRECS results, plus verified organiser links.
Fri, 23 Jan 2026
161.2K · 161.2 km / 100.2 mi
Fri, 24 Jan 2025
160K · 160 km / 99.4 mi
Fri, 26 Jan 2024
165.7K · 165.7 km / 103.0 mi
Fri, 27 Jan 2023
165.7K · 165.7 km / 103.0 mi
Fri, 28 Jan 2022
165.5K · 165.5 km / 102.8 mi
Fri, 31 Jan 2020
165.7K · 165.7 km / 103.0 mi
Past races
161.2K · 161.2 km / 100.2 miFinishedResults
Fri, 23 Jan 2026
Historical UTMB source record. Trail classification provisional. Ascent 5300 m. UTMB Index category 100M is not the course distance.
160K · 160 km / 99.4 miFinishedResults
Fri, 24 Jan 2025
Historical UTMB source record. Trail classification provisional. Ascent 4250 m. UTMB Index category 100M is not the course distance.
165.7K · 165.7 km / 103.0 miFinishedResults
Fri, 26 Jan 2024
Historical UTMB source record. Trail classification provisional. Ascent 5280 m. UTMB Index category 100M is not the course distance.
165.7K · 165.7 km / 103.0 miFinishedResults
Fri, 27 Jan 2023
Historical UTMB source record. Trail classification provisional. Ascent 5280 m. UTMB Index category 100M is not the course distance.
165.5K · 165.5 km / 102.8 miFinishedResults
Fri, 28 Jan 2022
Historical UTMB source record. Trail classification provisional. Ascent 5800 m. UTMB Index category 100M is not the course distance.
165.7K · 165.7 km / 103.0 miFinishedResults
Fri, 31 Jan 2020
Historical UTMB source record. Trail classification provisional. Ascent 5280 m. UTMB Index category 100M is not the course distance.
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