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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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Lewisville, Texas, United States
31OCT
ULTRA
Camino De Los Muertos
Lewisville, Texas, United States
October 31, 2026 OCT
Illinois, United States
31OCT
ULTRA
Carrera de los Muertos
Illinois, United States
October 31, 2026 OCT
San Juan Capistrano, California, United States
31OCT
ULTRA
Caspers Trail Races
San Juan Capistrano, California, United States
October 31, 2026 OCT
United Kingdom
31OCT
ULTRA
Chiltern Ridge Winter 50K
United Kingdom
October 31, 2026 OCT
Arkansas, United States
31OCT
ULTRA
City of Colleges Half Marathon
Arkansas, United States
October 31, 2026 OCT
New Jersey, United States
31OCT
ULTRA
Course de la Liberté
New Jersey, United States
October 31, 2026 OCT
Poland
31OCT
ULTRA
Diabelskie Koło gór Suchych - 67K
Poland
October 31, 2026 OCT
Nebraska, United States
31OCT
ULTRA
DoNot Stop Half Marathon (5k/10k) - Ann Arbor
Nebraska, United States
October 31, 2026 OCT
Willow Springs, Illinois, United States
31OCT
ULTRA
Fancy Nonsense 25k/50k
Willow Springs, Illinois, United States
October 31, 2026 OCT
Galena, Illinois, United States
31OCT
ULTRA
Galena River Fall Half Marathon & 8k
Galena, Illinois, United States
October 31, 2026 OCT
Vietnam
31OCT
ULTRA
Gia Lai City Trail - 70K
Vietnam
October 31, 2026 OCT
United Kingdom
31OCT
ULTRA
Green Mile Day Marathon
United Kingdom
October 31, 2026 OCT
Australia
31OCT
ULTRA
Halloween Dusk 2 Dawn 12h - 12h
Australia
October 31, 2026 OCT
United Kingdom
31OCT
ULTRA
Halloween Hobble
United Kingdom
October 31, 2026 OCT
Texas, United States
31OCT
ULTRA
Harbor Half Marathon
Texas, United States
October 31, 2026 OCT
Iowa, United States
31OCT
ULTRA
Hillbilly Hike Half Marathon, 10k, & Greubel Memorial 5k
Iowa, United States
October 31, 2026 OCT
Hong Kong
31OCT
ULTRA
HK Wild 50 - 73K
Hong Kong
October 31, 2026 OCT
California, United States
31OCT
ULTRA
IPA10K Brewfest & Beer Mile
California, United States
October 31, 2026 OCT
Arkansas, United States
31OCT
ULTRA
Jim Rowland FCA River Valley Run
Arkansas, United States
October 31, 2026 OCT
France
31OCT
ULTRA
La Foulée des Monts dAin - 77K
France
October 31, 2026 OCT
Netherlands
31OCT
ULTRA
Lage Vuursche Ultra - 50km
Netherlands
October 31, 2026 OCT
Mandeville, Louisiana, United States
31OCT
ULTRA
Last Wolf Howling
Mandeville, Louisiana, United States
October 31, 2026 OCT
Harrisburg, Pennsylvania, United States
31OCT
ULTRA
Medal Madness 5K, 10K,13.1M & 26.2M at Harrisburg, PA
Harrisburg, Pennsylvania, United States
October 31, 2026 OCT
Arkansas, United States
31OCT
ULTRA
Mid-South Races for Hope
Arkansas, United States
October 31, 2026 OCT

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