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Triathlon Calendar near Acton 2025-2026

Explore the top triathlons near Acton for 2025-2026! We've gathered 43 exciting races in the area. Check out our detailed list below to find your next local race.

May 2025
May
3
Saturday

Run the Rail Trail 5-Miler

5 mi
May
3
Saturday

Bulfinch Bee Run

5 km
May
4
Sunday

Cahill 5k Race

5 km
May
4
Sunday

Step Up for Colleen 5K

5 km
May
4
Sunday

Worcester Cinco 5K

3 mi
May
4
Sunday

Emma's Run

2 mi 5 mi
May
10
Saturday

Tarc Wapack and Back

Trail Run 21 mi 43 mi 50 mi
May
10
Saturday

Grafton Gazebo Road Race

5 km
May
10
Saturday

Run. Walk. United for Mental Health 5K

5 km
May
10
Saturday

Stride Along the Tide 5K

5 km
May
11
Sunday

Melrose Run For Women

3 mi
May
17
Saturday

Thrive Stride 5k

5 km
May
17
Saturday

Dash For Dane & Family Day

Trail Run 5 km
May
18
Sunday

Harpoon 5-Miler

5 mi
May
18
Sunday

New England Season Opener

Triathlon
May
18
Sunday

Great Bear Run

5 km
May
21-22
We - Th

4K Trail Run

Trail Run 4 km
May
24
Saturday

Health is Wealth Race

5 km
May
24
Saturday

Wachusett Mountain Race

3 mi 10 km
May
26
Monday

Powisset Farm Trail Run - Spring

Trail Run 3 mi 5 mi 8 mi
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