Marathon Events in United States in March 2026

MAR-APR
27-3
2026
2026 Arizona Monster 300
📍 Patagonia, United States
🏃‍♂️ Trail
📏 304 miles
MAR
22
2026
2026 Horseshoe Lake Half Marathon
📍 La Honda, United States
🏃‍♂️ Trail
📏 21 km
MAR
21
2026
2026 Canyonlands Half Marathon
📍 Moab, United States
🏃‍♂️ Road
📏 5 miles, 21 km
MAR
21
2026
2026 Mt. Diablo Summit Challenge
📍 Clayton, United States
🏃‍♂️ Road
📏 22.5 km
MAR
21
2026
2026 Rattlesnake Dick
📍 Cool, United States
🏃‍♂️ Road
📏 10 km, 25 km, 50 km
MAR
21
2026
2026 Badwater Cape Fear
📍 Bald Head Island, United States
🏃‍♂️ Mixed Terrain
📏 50 km, 51.4 miles
MAR
14
2026
2026 Mesquite Canyon
📍 Waddell, United States
🏃‍♂️ Trail
📏 8 km, 21 km, 30 km, 42 km, 50 miles, 50 km
MAR
14
2026
2026 Bel Monte Endurance Races
📍 Lyndhurst, United States
🏃‍♂️ Trail
📏 25 km, 50 miles, 50 km
MAR
14
2026
2026 Marin Ultra Challenge
📍 Sausalito, United States
🏃‍♂️ Trail
📏 50 miles, 50 km
MAR
14
2026
2026 Nine Trails 35 Mile Endurance Run
📍 Santa Barbara, United States
🏃‍♂️ Trail
📏 17 miles, 35 miles
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