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3,228 marathons found for Ultra marathon. Keep the list broad first, then tighten the filters when a race looks realistic.





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Sylvan Grove, Kansas, United States
30OCT
ULTRA
Hell Creek 100
Sylvan Grove, Kansas, United States
October 30, 2026 OCT
Japan
30OCT
ULTRA
Lake Biwa 100 - 163K
Japan
October 30, 2026 OCT
Griffin, Georgia, United States
30OCT
ULTRA
Lone Wolf 135
Griffin, Georgia, United States
October 30, 2026 OCT
Spain
30OCT
ULTRA
Mallorca by UTMB®
Spain
October 30, 2026 to November 1, 2026 OCT
Italy
30OCT
ULTRA
Trail Del Cinghiale - 99K
Italy
October 30, 2026 OCT
South Korea
30OCT
ULTRA
Ulju Trail Nine Peaks - 96K
South Korea
October 30, 2026 OCT
Sweden
30OCT
ULTRA
Walking Dead Ultra 65km - 65km
Sweden
October 30, 2026 to November 1, 2026 OCT
United States
31OCT
ULTRA
10th Fall Back Blast 50km Race - 50km
United States
October 31, 2026 OCT
United States
31OCT
ULTRA
16th Cougar Mountain Trail Run - 50km
United States
October 31, 2026 OCT
United States
31OCT
ULTRA
18th Ozark Trail 100 Mile Endurance Run - 100mi
United States
October 31, 2026 OCT
United States
31OCT
ULTRA
18th Pumpkin Butt - 50km
United States
October 31, 2026 OCT
Taiwan
31OCT
ULTRA
1st Running for Children with MDVI Non Stop 24h Run - 24h
Taiwan
October 31, 2026 OCT
Australia
31OCT
ULTRA
Portland 3 Bays Running Festival
Australia
October 31, 2026 OCT
United States
31OCT
ULTRA
24th Javelina Jundred 100 km Endurance Run - 100km
United States
October 31, 2026 OCT
United States
31OCT
ULTRA
27th Chicago Lakefront Fall 50 Mile Race - 50mi
United States
October 31, 2026 OCT
United States
31OCT
ULTRA
3rd Colorado 6 Hour Run - 6h
United States
October 31, 2026 OCT
United States
31OCT
ULTRA
4th Beast of Burden - Arkansas - 25h
United States
October 31, 2026 OCT
Canada
31OCT
ULTRA
4th The Dark 6 Hours Underground - 6h
Canada
October 31, 2026 OCT
Sweden
31OCT
ULTRA
6 Kullamannen Seventh Seal 50K - 53km
Sweden
October 31, 2026 OCT
Brazil
31OCT
ULTRA
6° Ultra Trail Amazonica - 55km
Brazil
October 31, 2026 OCT
Denmark
31OCT
ULTRA
ALOT 6 Hour Run - 6h
Denmark
October 31, 2026 OCT
Dousman, Wisconsin, United States
31OCT
ULTRA
Among the Trees
Dousman, Wisconsin, United States
October 31, 2026 OCT
Bowling Green, Kentucky, United States
31OCT
ULTRA
bg26.2 & half marathon and bg6000
Bowling Green, Kentucky, United States
October 31, 2026 OCT
Virginia, United States
31OCT
ULTRA
Boys Home Harvest Hustle
Virginia, United States
October 31, 2026 OCT

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