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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
6th The Golden 6 Hour - 6h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
7th That's No Moon Ultras 50K - 50km
United States
October 10, 2026 OCT
Norway
10OCT
ULTRA
8. Krukes Ultra-Trail Challenge 8 laps - 54km
Norway
October 10, 2026 OCT
United States
10OCT
ULTRA
8th Arrowhead 6 Hour Endurance Run - 6h
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
8th Blue Ridge 50km Ultra - 50km
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
8th Hainesport Endurance Run - 48h
United States
October 10, 2026 to October 12, 2026 OCT
United States
10OCT
ULTRA
8th Midstate Massive 50 Mile Ultra Trail - 50mi
United States
October 10, 2026 OCT
United States
10OCT
ULTRA
9th The Ultra Bird 6 Hour Trail Race - 6h
United States
October 10, 2026 OCT
Gwinn, Michigan, United States
10OCT
ULTRA
Anderson Lake Backyard Ultra
Gwinn, Michigan, United States
October 10, 2026 OCT
Syracuse, Utah, United States
10OCT
ULTRA
Antelope Island Fall Classic
Syracuse, Utah, United States
October 10, 2026 OCT
Bastrop, Texas, United States
10OCT
ULTRA
Autumn Harvest Trail Run | Bastrop Last Standing • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K
Bastrop, Texas, United States
October 10, 2026 OCT
Saint Charles, Missouri, United States
10OCT
ULTRA
Backyard Ultra in New Town (Oct 10 8:00AM)
Saint Charles, Missouri, United States
October 10, 2026 OCT
United Kingdom
10OCT
ULTRA
Bennachie Ultra Marathon
United Kingdom
October 10, 2026 OCT
Dodgeville, Wisconsin, United States
10OCT
ULTRA
Broken Rock Trail Runs
Dodgeville, Wisconsin, United States
October 10, 2026 OCT
Akron, Ohio, United States
10OCT
ULTRA
Canal Corridor Endurance Run
Akron, Ohio, United States
October 10, 2026 OCT
Canandaigua, New York, United States
10OCT
ULTRA
CanLake Ultras
Canandaigua, New York, United States
October 10, 2026 OCT
Denison, Texas, United States
10OCT
ULTRA
Caveman Challenge at Waterloo Lake
Denison, Texas, United States
October 10, 2026 OCT
Cedar City, Utah, United States
10OCT
ULTRA
Cedar City Uphill Ultra
Cedar City, Utah, United States
October 10, 2026 OCT
Bradenton, Florida, United States
10OCT
ULTRA
Chasing the Sun Endurance Run
Bradenton, Florida, United States
October 10, 2026 OCT
Texas, United States
10OCT
ULTRA
Course citoyenne contre le cancer
Texas, United States
October 10, 2026 OCT
Dallas, Texas, United States
10OCT
ULTRA
Day of the Dead Half Marathon - Dallas
Dallas, Texas, United States
October 10, 2026 OCT
Galveston, Texas, United States
10OCT
ULTRA
Day of the Dead Half Marathon - Galveston
Galveston, Texas, United States
October 10, 2026 OCT
Tacoma, Washington, United States
10OCT
ULTRA
Defiance 50K / 30K / 15K
Tacoma, Washington, United States
October 10, 2026 OCT
Germany
10OCT
ULTRA
DieSPECKer LaufSPECKtakel 72km - 72km
Germany
October 10, 2026 OCT

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