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Triathlon Calendar near Brookline 2025-2026

Explore the top triathlons near Brookline for 2025-2026! We've gathered 32 exciting races in the area. Check out our detailed list below to find your next local race.

November 2025
Nov
1
Saturday

The Hamsterwheel - New Boston, NH

Trail Run 6 hr 12 hr 24 hr 30 hr
Nov
9
Sunday

Manchester City Marathon

5 km 13 mi 26 mi
Nov
9
Sunday

Run for the Troops

5 km
Nov
22
Saturday

Rachel's Run

5 km
Nov
23
Sunday

Novemberfest Race for the Nashua Children's Home

Trail Run 4 mi
Nov
27
Thursday

Holden Turkey Trot

5 km
Nov
30
Sunday

Tough 10 Turkey Trot

5 mi 10 mi
December 2025
Dec
7
Sunday

Jingle Bell Half Marathon

5 km 13 mi
April 2026
Apr
4
Saturday

The Cheap Marathon

13 mi 26 mi
Apr
11
Saturday

Merrimack River Trail Race

Trail Run 10 mi
May 2026
May
9
Saturday

Tarc Wapack and Back

Trail Run 21 mi 43 mi 50 mi
June 2026
Jun
11
Thursday

Hollis Fast

5 km
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