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Triathlon Calendar near Stamford 2025-2026

Explore the top triathlons near Stamford for 2025-2026! We've gathered 187 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
24
Sunday

YIJE 5K Run/Walk

5 km
May
30
Saturday

Bronx CB6 5K Run/Walk for Diabetes Awareness

5 km
May
31
Sunday

TriRidgefield Sprint Triathlon

Triathlon
May
31
Sunday

Women's Whisper Triathlon

Triathlon
June 2026
Jun
6-7
Sa - Su

Fairfield Road Races

5 km Half Marathon
Jun
13
Saturday

St. Anthony's Feast 5K Run/Walk

5 km
Jun
21
Sunday

Massapequa Firecracker 5K Run/Walk

5 km
Jun
21
Sunday

NSRF Presents The Rainbow Run 5K

5 km
Jun
27
Saturday

Centurion Ultra Trail Event

Backyard Ultra 100 mi
July 2026
Jul
4
Saturday

Independence Day 4 Mile Run/Walk

4 mi
Jul
4
Saturday

John Demille Firecracker 8K

8 km
Jul
11
Saturday

Pinky’s Rock n Rolla

Trail Run 4 mi
Jul
12
Sunday

QDR Bayside 5K

5 km
August 2026
Aug
8
Saturday

Interstate 17 - Closter, NJ

Trail Run 17 mi
September 2026
Sep
5
Saturday

Hauppauge Fire Department 5K Run/Walk

5 km
Sep
5
Saturday

Sterling Down and Dirty 5k

Obstacle Run 5 km
Sep
12
Saturday

SFD Run For Heroes 5K Run/Walk

5 km
Sep
12-13
Sa - Su

Toughman

Triathlon
Sep
13
Sunday

Yonkers Marathon

5 km Half Marathon Marathon
Sep
19
Saturday

The Great Cow Harbor 10K

10 km
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