Thu
29
Oct
2026
Events6 editions
USARunningTrail (provisional)159.7K · 159.7 km / 99.2 mi159.9K · 159.9 km / 99.4 mi160.7K · 160.7 km / 99.9 mi161.2K · 161.2 km / 100.2 mi162.2K · 162.2 km / 100.8 mi
Western States Endurance Run — Western States 100-Mile Endurance Run
Location to be confirmed · USA
No future date listed
About Western States Endurance Run — Western States 100-Mile Endurance Run
Western States Endurance Run — Western States 100-Mile Endurance Run is a running event in United States. Recorded disciplines include 159.7K, 159.9K, 160.7K, 161.2K, 162.2K. The listed surface is trail (provisional). No future date is currently listed on ATHRECS. The ATHRECS archive includes editions from 2019 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 Western States Endurance Run — Western States 100-Mile Endurance Run.
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 confirmedUSA
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.
Sat, 27 Jun 2026
162.2K · 162.2 km / 100.8 mi
Sat, 28 Jun 2025
162.2K · 162.2 km / 100.8 mi
Sat, 29 Jun 2024
159.7K · 159.7 km / 99.2 mi
Sat, 24 Jun 2023
159.9K · 159.9 km / 99.4 mi
Sat, 26 Jun 2021
161.2K · 161.2 km / 100.2 mi
Sat, 29 Jun 2019
160.7K · 160.7 km / 99.9 mi
Past races
162.2K · 162.2 km / 100.8 miFinishedResults
Sat, 27 Jun 2026
Historical UTMB source record. Trail classification provisional. Ascent 5790 m. UTMB Index category 100M is not the course distance.
162.2K · 162.2 km / 100.8 miFinishedResults
Sat, 28 Jun 2025
Historical UTMB source record. Trail classification provisional. Ascent 5790 m. UTMB Index category 100M is not the course distance.
159.7K · 159.7 km / 99.2 miFinishedResults
Sat, 29 Jun 2024
Historical UTMB source record. Trail classification provisional. Ascent 5638 m. UTMB Index category 100M is not the course distance.
159.9K · 159.9 km / 99.4 miFinishedResults
Sat, 24 Jun 2023
Historical UTMB source record. Trail classification provisional. Ascent 5610 m. UTMB Index category 100M is not the course distance.
161.2K · 161.2 km / 100.2 miFinishedResults
Sat, 26 Jun 2021
Historical UTMB source record. Trail classification provisional. Ascent 5570 m. UTMB Index category 100M is not the course distance.
160.7K · 160.7 km / 99.9 miFinishedResults
Sat, 29 Jun 2019
Historical UTMB source record. Trail classification provisional. Ascent 5360 m. UTMB Index category 100M is not the course distance.
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