Upcoming 50K Races
Niagara Falls Marathon
Niagara Falls, Ontario, Canada
10/26/2025
Marathon (26.2 miles / 42.2 km)
Also: Half Marathon, 5K, 50K
Registration Open
Marine Corps Marathon
Washington DC, USA
10/26/2025
Marathon (26.2 miles / 42.2 km)
Also: 50K, 10K, Other
Registration Open
Popular Locations for 50K Races
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