New Hampshire Triathlon Calendar 2025-2026

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Explore the best triathlons in New Hampshire for 2025-2026! Our updated list features 91 exciting races across the region. Find your next race in New Hampshire below and join the running community at these great events!

February 2026
Feb
14
Saturday

Cupid's Chase Nashua

5 km
March 2026
Mar
1
Sunday

Hampton Half Marathon

5 km 21 km
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
16
Saturday

Fox Point 5 Miler

5 km 5 mi
May
17
Sunday

Stratham 5K

5 km
June 2026
Jun
11
Thursday

Hollis Fast

5 km
Jun
13
Saturday

Market Square Day 10K

10 km
August 2026
Aug
7
Friday

Jackson Covered Bridge 10K

10 km
Aug
8
Saturday

Alton Old Home Week Road Race

5 km
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