Maine Obstacle Race Calendar 2025-2026

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Explore the best obstacle runs in Maine for 2025-2026! Our updated list features 100 exciting races across the region. Find your next race in Maine below and join the running community at these great events!

May 2025
May
3-4
Sa - Su

Maine Coast Marathon

5 km 13 mi 26 mi
May
3
Saturday

Dash for the Derby

5 km
May
3
Saturday

George Dole Bath Rotary 10K

5 km 10 km
May
3
Saturday

Polar Bear Triathlon

Triathlon
May
3
Saturday

Big A 50K Trail Race

Trail Run 50 km
May
3
Saturday

Run To Belong 5K benefiting Camp to Belong Maine

5 km
May
3
Saturday

Skillful Strides

5 km
May
4
Sunday

Double Nubble 10K

10 km
May
4
Sunday

Mental Health Matters

5 km
May
10
Saturday

Riverlands 100

Trail Run 100 mi
May
10
Saturday

Run for Independence

5 km
May
11
Sunday

Sugarloaf Marathon

15 km 26 mi
May
11
Sunday

Portland Sea Dogs Mother's Day 5K

5 km
May
11
Sunday

Jennie's Run

5 km
May
11
Sunday

Mother's Day 5k - Stockholm

5 km
May
17
Saturday

Boots and Brews 5K

5 km
May
17
Saturday

Bethel Rotary 5k

Trail Run 5 km
May
17
Saturday

Beth C. Wright Walk For Life - 5 Mile Race

5 mi
May
17
Saturday

South Portland SpringFest Community Road Race

3 mi 5 mi
May
18
Sunday

The Great World Peace 5K

5 km
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