0 events
Endurance races calendar in December 2025 - 2026: ultramarathons in North America
Bluff Park 8K
Birmingham, USA
06 Dec, 2025 (Sat)
Running
1000 km +1 more
Sawmill Trail Runs
Pine, USA
06 Dec, 2025 (Sat)
Running
31.68 mi
This event also offers:Trail running
Tidewater Strider Dismal Swamp 50K / Marathon /Half Marathon/50K Relay
Chesapeake, USA
06 Dec, 2025 (Sat)
Running
50 km +2 more
This event also offers:Walking
Beast of the East 100
Kings Mountain, USA
13 Dec, 2025 (Sat)
Running
100 km, 100 mi +2 more
Recommended for you
Daytona 100 Ultramarathon
Daytona Beach, USA
13 Dec, 2025 (Sat)
Running
50 km, 50 mi, 100 mi
Pigtails Run - The "Flat" Fat Ass
Maple Valley, USA
13 Dec, 2025 (Sat)
Running
50 km +2 more
Tucson Marathon
Tucson, USA
14 Dec, 2025 (Sun)
Running
50 km +2 more
Map
BMW Dallas Marathon, Half Marathon and Behringer Relay
Dallas, USA
15 Dec, 2025 (Mon)
Running
50 km +6 more
Map
Arctic Frog Run | Mayville, WI
Mayville, USA
20 Dec, 2025 (Sat)
Running
50 km, 50 mi +2 more
Desert Solstice
Phoenix, USA
20 Dec, 2025 (Sat)
Running
100 mi +1 more
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