New Hampshire Triathlon Calendar 2025-2026

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Explore the best triathlons in New Hampshire for 2025-2026! Our updated list features 57 exciting races across the region. Find your next race in New Hampshire below and join the running community at these great events!

November 2025
Nov
23
Sunday

Novemberfest Race for the Nashua Children's Home

Trail Run 4 mi
Nov
27
Thursday

T4G (Thanks for Giving) 5k/10k

5 km 10 km
Nov
27
Thursday

Jackson 5k Turkey Trot

Trail Run 5 km
Nov
27
Thursday

Rotary Club of Merrimack Turkey Trot

5 km
Nov
27
Thursday

Dover Turkey Trot

5 km
Nov
27
Thursday

Drew Ceppetelli Turkey Trot

5 km
Nov
27
Thursday

Turkey Day 5K - Run Now, Gobble Later

Trail Run 5 km
December 2025
Dec
6
Saturday

Krampuslauf

Trail Run 5 km 10 km 9 hr
Dec
7
Sunday

Jingle Bell Run - Concord

5 km
Dec
13
Saturday

Ugly Sweater 4-Miler

4 mi
Dec
21
Sunday

The Great Gingerbread Run 5k

5 km
January 2026
Jan
1
Thursday

New Year's Day Peanut Butter Chip Chase 5K

5 km
Jan
18
Sunday

Hopkinton Winter 5k Series

5 km
February 2026
Feb
14
Saturday

Cupid's Chase Nashua

5 km
March 2026
Mar
1
Sunday

Hampton Half Marathon

5 km Half Marathon
Mar
14
Saturday

Lebanon Shamrock Shuffle

5 km
April 2026
Apr
4
Saturday

The Cheap Marathon

13 mi 26 mi
May 2026
May
2
Saturday

White Lake Ultras

Backyard Ultra 6 hr 12 hr 24 hr
May
3
Sunday

Wallis Sands Half Marathon

Half Marathon
May
10
Sunday

Mother's Day Hope 5k

5 km
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