Maine Triathlon Calendar 2025-2026

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Explore the best triathlons in Maine for 2025-2026! Our updated list features 89 exciting races across the region. Find your next race in Maine below and join the running community at these great events!

May 2026
May
16
Saturday

Boots and Brews 5K

5 km
June 2026
Jun
6
Saturday

Shipyard Old Port Half Marathon

5 km 21 km
Jun
7
Sunday

Maine Running Hall of Fame 5K

5 km
Jun
7
Sunday

Great Bangor Marathon & Half

21 km 42 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
4
Saturday

Stars & Stripes 5K Run/Walk

5 km
Jul
11
Saturday

Back Cove Backyard Ultra

Backyard Ultra 4 mi
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