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3,254 marathons found for Ultra marathon. Keep the list broad first, then tighten the filters when a race looks realistic.





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Germany
26SEP
ULTRA
4. Kleeblattultra - 100mi
Germany
September 26, 2026 SEP
Greece
26SEP
ULTRA
43. Spartathlon - 246km
Greece
September 26, 2026 SEP
United States
26SEP
ULTRA
4th Lakes TrailFest - 50km
United States
September 26, 2026 SEP
United Kingdom
26SEP
ULTRA
5 Valleys Ultra 55km - 58km
United Kingdom
September 26, 2026 SEP
Germany
26SEP
ULTRA
5. Tuttlinger Backyard Ultra - 32h
Germany
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Cowboy 100 - 100mi
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Hindsight Ultra Trail Runs 100 km - 100km
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Hindsight Ultra Trail Runs 100 miles - 100mi
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Hindsight Ultra Trail Runs 50 km - 50km
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Mammoth Trail Fest - 50km
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
5th MetroWest Backyard Ultra - 25h
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Red Feather Trail Jamboree - 50k - 50km
United States
September 26, 2026 SEP
Canada
26SEP
ULTRA
5th Rockcut Ultra Marathon - 50km
Canada
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Ultrapalooza 100km - 100km
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Ultrapalooza 50km - 50km
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
5th Ultrapalooza 50mi - 50mi
United States
September 26, 2026 SEP
Sweden
26SEP
ULTRA
6 Backyard Ultra Ljungby - 26h
Sweden
September 26, 2026 SEP
Germany
26SEP
ULTRA
6. Roter-Sand-Trail - 6h
Germany
September 26, 2026 SEP
United States
26SEP
ULTRA
6th Babbitt’s Backyard Ultra - 55h
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
6th Hot Rod 12 Hour Ultra - 12h
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
6th Hot Rod 12 Hour Ultra (night) - 12h
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
6th Hot Rod 24 Hour Ultra - 24h
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
6th The Ivy Trek 50 km Ultra - 50km
United States
September 26, 2026 SEP
United States
26SEP
ULTRA
6th West Line Winder 50 km Race - 50km
United States
September 26, 2026 SEP

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