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Running Calendar near Old Greenwich 2025-2026

Explore the top running races near Old Greenwich for 2025-2026! We've gathered 202 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
May 2026
May
9
Saturday

The Mama Bear Run 5K

5 km
May
9
Saturday

VNSHS Run for the Health of It 5K Run/Walk

5 km
May
16
Saturday

Forgotten Forest Ultra Run - Stratford, CT

Backyard Ultra 2 mi
May
17
Sunday

BoFish Triathlon

Triathlon
May
17
Sunday

SOUL RYEDERS Half Marathon

5 km Half Marathon
May
17
Sunday

Spring Run the Farm

Trail Run 5 mi
May
24
Sunday

YIJE 5K Run/Walk

5 km
May
30
Saturday

Bronx CB6 5K Run/Walk for Diabetes Awareness

5 km
June 2026
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
11
Saturday

Pinky’s Rock n Rolla

Trail Run 4 mi
Jul
12
Sunday

QDR Bayside 5K

5 km
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
13
Sunday

Yonkers Marathon

5 km Half Marathon Marathon
Sep
19
Saturday

The Great Cow Harbor 10K

10 km
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