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Endurance races calendar 2025 - 2026 in the United States

United States
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Burning River 100 Mile Endurance Run

Cuyahoga Falls, United States
26 Jul, 2025 (Sat)
Trail running
160.9 km
Burning River 100 Mile Endurance Run

Wild West Relay

Fort Collins, United States
01 Aug, 2025 (Fri)
Running
321.9 km

Boulder Rez Marathon

Boulder Reservoir, Boulder, United States
02 Aug, 2025 (Sat)
Running
42.195 km

Hatcher Pass Marathon

Willow, United States
02 Aug, 2025 (Sat)
Trail running
42.195 km, 50 km
Hatcher Pass Marathon

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Peak to Brew Relay

North Creek, United States
08-09 Aug, 2025 (Fri - Sat)
Running
96.6 km, 209.2 km

Elkhorn Relay

La Grande, United States
09 Aug, 2025 (Sat)
Trail running
129.7 km

Pack the Pantry 4-Mile Relay Race

Somerset, United States
16 Aug, 2025 (Sat)
Running
6.4 km

Hood and Portland to Coast Relay

Mt Hood, United States
22 Aug, 2025 (Fri)
Running
206 km, 315.4 km

Baker Trail UltraChallenge

Smicksburg, United States
23 Aug, 2025 (Sat)
Trail running
80.5 km

Twin Anchors Copperhead Beer Relay 20K and Beer Mile

Hampstead, United States
23 Aug, 2025 (Sat)
Trail running
20 km
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