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Running Calendar near Cos Cob 2025-2026

Explore the top running races near Cos Cob for 2025-2026! We've gathered 192 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
January 2026
Jan
24
Saturday

Icebreaker Marathon

5 km Half Marathon Marathon
February 2026
Feb
1
Sunday

NSRF Stoplight Party

5 km 10 km
Feb
14
Saturday

Love on the Run

5 km
Feb
14
Saturday

Squatchy Onesie Fest “5K-Marathon”

Trail Run 5 km
Feb
14
Saturday

Cupid's Chase 5K - Queens

5 km
Feb
14
Saturday

Cupid's Chase Glen Rock

5 km
Feb
21
Saturday

NSRF Stoplight Party 5K

5 km
Feb
22
Sunday

Racefaster through the Mall - Garden State Plaza, Paramus

5 km
March 2026
Mar
8
Sunday

Shamrocks and Shenanigans

5 km
Mar
8
Sunday

Sri Chinmoy 7-Mile in Prospect Park

5 km 7 mi
Mar
8
Sunday

QDR Spring Forward 10 & 5 Miler

5 mi 10 mi
Mar
14
Saturday

Citi Field Spartan Event Weekend

Obstacle Run 5 km
Mar
21
Saturday

Enchanted Forest Ultra Run

Backyard Ultra 50 km
Mar
21
Saturday

Project 13.1

13 mi
Mar
29
Sunday

Mckirdy Micro Race Series

26 mi
April 2026
Apr
12
Sunday

John Jay Community Trail Race

Trail Run 4 km 5 km
Apr
18
Saturday

NYC 50k - Stair Set of Doom Ultra

33 mi
Apr
25
Saturday

Suzie's Color Run

5 km
Apr
25
Saturday

Lake Mohegan Women's Trail Race

Trail Run 5 km 10 km 4 hr
Apr
26
Sunday

Leatherman's Loop

Trail Run 10 km
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