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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
17OCT
ULTRA
16th Pumpkin Holler 50 Km Race - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
17th Cave Creek Thriller 50K Race - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
18th Ghost Train Rail Trail Race 30 Hours - 30h
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
18th Sonoma Fall Classic - 50mi
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
18th Wild Duluth 50 km Races - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
19th Surf the Murph 50 km Run - 50km
United States
October 17, 2026 OCT
Germany
17OCT
ULTRA
2. O-SEE Ultra Trail 100km - 100km
Germany
October 17, 2026 OCT
Brazil
17OCT
ULTRA
2° Aluminio Backyard Ultra - 17h
Brazil
October 17, 2026 OCT
United States
17OCT
ULTRA
2nd Delaware Trail Fest - 12h
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
2nd Horseshoe Bend Ultras - 50mi
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
2nd Nocturnal 12 - 12h
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
2nd The Jackalope Lope - 52km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
2nd Viewpoint Endurance Challenge - 6h
United States
October 17, 2026 OCT
Germany
17OCT
ULTRA
3. Blaulichtlauf der Freiwilligen Feuerwehr Schwaan - 52km
Germany
October 17, 2026 OCT
Germany
17OCT
ULTRA
3. Chiemgauer100 StundenRunden - 100mi - 24h
Germany
October 17, 2026 OCT
United States
17OCT
ULTRA
32nd Bohemian Alps 50 km Ultramarathon - 33mi
United States
October 17, 2026 OCT
Switzerland
17OCT
ULTRA
3ème édition Backyard Ultra Valais (BUV) - 48h
Switzerland
October 17, 2026 to October 19, 2026 OCT
France
17OCT
ULTRA
3ème Le Dernier Homme Debout - Bretagne - 24h
France
October 17, 2026 OCT
United States
17OCT
ULTRA
3rd FSR 100 - 100mi
United States
October 17, 2026 to October 19, 2026 OCT
United States
17OCT
ULTRA
3rd Gila 100 - 100mi
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
3rd Gila 100 - 50mi
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
3rd Inks Lake Trail Run Ruck - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
3rd No Man's Land Trail Run - 50km
United States
October 17, 2026 OCT
United States
17OCT
ULTRA
3rd Rule the Roost - 12h
United States
October 17, 2026 OCT

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