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3,232 marathons found for Ultra marathon. Keep the list broad first, then tighten the filters when a race looks realistic.





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United States
10OCT
ULTRA
2nd Rainbow Ridge - 50km
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
2nd River Ridge Ultra - 30mi
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
2nd The Biggest Little Ultra - 6h Fri - 6h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
2nd The Mammoth at High Hope Ranch - 50km
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
2nd Virginia Trail Running Festival - 100mi
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
2nd Wolverine State - 100km
United States
October 10, 2026 OCT
Germany
10OCT
ULTRA
3. Heidi-Challenge - 316km/5stages
Germany
October 10, 2026 to October 14, 2026 OCT
United States
10OCT
ULTRA
3rd Death By a Mile - 12h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
3rd Kettlebell Kountdown - 50km
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
3rd Lion King Backyard Ultra - 19h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
3rd Mile Madness Endurance Run 6h - 6h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
3rd Sunset & Cider Trail Races - 50km
United States
October 10, 2026 OCT
Anderson, Indiana, United States
10OCT
ULTRA
4 Hours in the Woods - Endurance Style Fun Run - Sponsored by Community In Motion
Anderson, Indiana, United States
October 10, 2026 OCT
United States
10OCT
ULTRA
45th Le Grizz 50 Mile Ultramarathon - 50mi
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
4th Duff Dog Backyard Ultra - 29h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
5th Devil's Den Ultra 12h - 12h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
5th Devil's Den Ultra 30h - 30h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
5th Lake Yahou 50k - 50km
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
5th Storm the Day (Sunrise to Sunset) - 11h
United States
October 10, 2026 OCT
Spain
10OCT
ULTRA
6 hores en pista d'Olot - 6h
Spain
October 10, 2026 OCT
United States
10OCT
ULTRA
6th DeClue Loops 50 km Trail Race - 50km
United States
October 10, 2026 OCT
Finland
10OCT
ULTRA
6th Nummela Backyard Ultra - 48h
Finland
October 10, 2026 OCT
United States
10OCT
ULTRA
6th Sasquatch Shuffle TX 50 km Race - 50km
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
6th The Devils Race Track Backyard - 13h
United States
October 10, 2026 OCT

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