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Triathlon Calendar near Braintree 2025-2026

Explore the top triathlons near Braintree for 2025-2026! We've gathered 136 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
13
Saturday

Winter SOLEstice 5K

5 km
Dec
14
Sunday

Somerville Jingle Bell Run

5 km
Dec
20
Saturday

Mystic Runners Santa Dash Classic

5 km
February 2026
Feb
1
Sunday

The Great Stew Chase

8 km 15 km
Feb
7-8
Sa - Su

Tarctic Frozen Yeti

Trail Run 15 mi 30 hr
April 2026
Apr
11
Saturday

F.I.T. the Challenge OCR

Obstacle Run 3 mi
Apr
12
Sunday

Marblehead Half Marathon

13 mi
Apr
20
Monday

Boston Marathon

42 km
Apr
25
Saturday

TARC Spring Classic

Trail Run 10 km 21 km 42 km 50 km
Apr
26
Sunday

James Joyce Ramble 10 Km

10 km
May 2026
May
3
Sunday

Cahill 5k Race

5 km
May
9
Saturday

Barns & Blooms Half Marathon

13 mi
May
17
Sunday

Harpoon 5-Miler

5 mi
May
17
Sunday

Evan's Run

5 km
June 2026
Jun
7
Sunday

Black Hat Brew 5k

5 km
Jun
14
Sunday

Battle of Bunker Hill 5K Road Race

5 km
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