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Obstacle Race Calendar near Great Diamond Island 2025-2026

Explore the top obstacle runs near Great Diamond Island for 2025-2026! We've gathered 44 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
6
Saturday

Shipyard Old Port Half Marathon

5 km 13 mi
Jun
7
Sunday

Maine Running Hall of Fame 5K

5 km
Jun
14
Sunday

Luv 2 Run Portland

5 km
Jun
18
Thursday

Gorham 4-Miler

4 mi
Jun
21
Sunday

Raccoon Run

5 km
July 2026
Jul
11
Saturday

Back Cove Backyard Ultra

Backyard Ultra 4 mi
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