Maine Half Marathon Calendar 2025-2026

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Explore the best half marathons in Maine for 2025-2026! Our updated list features 12 exciting races across the region. Find your next race in Maine below and join the running community at these great events!

September 2025
Sep
28
Sunday

Pleasant Mountain Race

Trail Run Half Marathon
October 2025
Oct
5
Sunday

Maine Marathon

Half Marathon Marathon
Oct
19
Sunday

The Great Waterville Marathon

Half Marathon Marathon
Oct
19
Sunday

Mount Desert Island Marathon

13 mi 26 mi
Oct
26
Sunday

Moosehorn Ghost Run Half-Marathon

13 mi
December 2025
Dec
6
Saturday

Millinocket Marathon & Half

Half Marathon Marathon
April 2026
Apr
12
Sunday

Boyden Lake Half-Marathon

5 mi 13 mi
Apr
26
Sunday

Moosehead Marathon

Half Marathon Marathon
May 2026
May
2-3
Sa - Su

Maine Coast Marathon

5 km Half Marathon Marathon
June 2026
Jun
6
Saturday

Shipyard Old Port Half Marathon

5 km Half Marathon
Jun
7
Sunday

Great Bangor Marathon & Half

Half Marathon Marathon
Jun
7
Sunday

Acadia Half Marathon

10 km 13 mi
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