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3,025 marathons found for Ultra marathon. Keep the list broad first, then tighten the filters when a race looks realistic.





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Canada
13MAR
ULTRA
2nd Hornby Island - 50km
Canada
March 13, 2027 MAR
United States
13MAR
ULTRA
3rd Etown Trail Classic - 8h
United States
March 13, 2027 MAR
Cyprus
13MAR
ULTRA
4th Cyprus Backyard Ultra - 27h
Cyprus
March 13, 2027 MAR
United States
13MAR
ULTRA
4th Tombstone 50k Trail Run - 50km
United States
March 13, 2027 MAR
United States
13MAR
ULTRA
4th Tombstone 50mi Trail Run - 50mi
United States
March 13, 2027 MAR
United States
13MAR
ULTRA
9th Frosty Moss 50km Race - 50km
United States
March 13, 2027 MAR
North Carolina, United States
13MAR
ULTRA
Asheville Marathon and Half
North Carolina, United States
March 13, 2027 MAR
New York, United States
13MAR
ULTRA
Brooklyn Spring Half
New York, United States
March 13, 2027 MAR
Jacksonville Beach, Florida, United States
13MAR
ULTRA
DONNA Marathon Weekend
Jacksonville Beach, Florida, United States
March 13, 2027 MAR
Finland
13MAR
ULTRA
Lapland Boreal Winter Trail
Finland
March 13, 2027 to March 20, 2027 MAR
Warner Robins, Georgia, United States
13MAR
ULTRA
Museum of Aviation Marathon, Half Marathon & 5K and Hand Cycle Race
Warner Robins, Georgia, United States
March 13, 2027 MAR
Denmark
13MAR
ULTRA
North Coast Ultra - 50km
Denmark
March 13, 2027 MAR
Mount Pleasant, South Carolina, United States
13MAR
ULTRA
Peyton's Wild and Wacky 10x5K
Mount Pleasant, South Carolina, United States
March 13, 2027 MAR
Switzerland
13MAR
ULTRA
Run Evasion Rhône
Switzerland
March 13, 2027 MAR
Fayetteville, North Carolina, United States
13MAR
ULTRA
Run Stubborn 25k and 50k
Fayetteville, North Carolina, United States
March 13, 2027 MAR
College Station, Texas, United States
13MAR
ULTRA
The Green Ultra at Millican
College Station, Texas, United States
March 13, 2027 MAR
Keithville, Louisiana, United States
13MAR
ULTRA
The Next Loop Endurance Series - Shreveport
Keithville, Louisiana, United States
March 13, 2027 MAR
Valparaiso, Indiana, United States
13MAR
ULTRA
Tombstone 30k/50k/50 mile
Valparaiso, Indiana, United States
March 13, 2027 MAR
France
13MAR
ULTRA
Trail des vallées
France
March 13, 2027 MAR
Vietnam
13MAR
ULTRA
Vietnam Ultra Marathon
Vietnam
March 13, 2027 MAR
San Francisco, California, United States
13MAR
ULTRA
Zoom San Francisco
San Francisco, California, United States
March 13, 2027 MAR
Germany
14MAR
ULTRA
53. Königsforst-Marathon - 63.3km
Germany
March 14, 2027 MAR
Portugal
14MAR
ULTRA
Afife Running Trail
Portugal
March 14, 2027 MAR
United Kingdom
14MAR
ULTRA
Kingdom of Northumbria Coastal Ultra
United Kingdom
March 14, 2027 MAR

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