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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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Canada
03OCT
ULTRA
16th Whistler 50 Race - 50km
Canada
October 3, 2026 OCT
United States
03OCT
ULTRA
17th The Bear Chase 50 km - 50km
United States
October 3, 2026 OCT
Canada
03OCT
ULTRA
18th Iron Horse Ultra 60 km Race - 60km
Canada
October 3, 2026 OCT
United States
03OCT
ULTRA
19th Sage Burner Trail Run - 50km
United States
October 3, 2026 OCT
Sweden
03OCT
ULTRA
2 Nordiska Mästarnas Backyard Ultra - 29h
Sweden
October 3, 2026 OCT
Italy
03OCT
ULTRA
2. Fiemme Sky Extreme 120K - 119km
Italy
October 3, 2026 OCT
United States
03OCT
ULTRA
21st 12 Hour Adventure Trail Run - 12h
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
25th Baker Lake 50K Ultra Trail Run - 50km
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
2nd Damascus Festival of Miles - 6h
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
2nd El Diablo Hundo - 100km
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
2nd Export 100 - 100mi
United States
October 3, 2026 OCT
Germany
03OCT
ULTRA
3 Schmellbackyard - 12h
Germany
October 3, 2026 OCT
Germany
03OCT
ULTRA
3. 4 Moore Ultratrail Marathon - 53km
Germany
October 3, 2026 OCT
Germany
03OCT
ULTRA
3. RuKT Rund um die Kipshagener Teiche - 45.3km
Germany
October 3, 2026 OCT
United States
03OCT
ULTRA
36th Arkansas Traveller 100 - 100mi
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
38th Angeles Crest 100 Mile - 100mi
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
4th Buck 50 - 50km
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
4th Flutters and Foliage Endurance Run - 6h
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
4th Legends Never Die - 55km
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
4th Saddles 100 - 100mi
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
4th Saddles 100 - 50mi
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
4th The Last Wolf 50K - 50km
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
5th Above the Clouds Ultra - 50km
United States
October 3, 2026 OCT
United States
03OCT
ULTRA
5th Arches Marathon - 50km
United States
October 3, 2026 OCT

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