Connecticut Running Calendar 2025-2026

Header image

Explore the best running races in Connecticut for 2025-2026! Our updated list features 153 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
January 2026
Jan
3
Saturday

Kelley's Pace Frostbite

5 mi
Jan
4
Sunday

MADD Dry 5K

5 km
Jan
4
Sunday

Brian Aselton East Hartford 5K

5 km
Jan
11
Sunday

HTC Winter Series Barkhamsted 17 Mile

9 mi 17 mi
February 2026
Feb
8
Sunday

IRIS Run for Refugees

5 km
Feb
22
Sunday

Lake Waramaug Polar Bear Run

8 mi
March 2026
Mar
1
Sunday

ShamRock & Roll 5K

5 km
Mar
7
Saturday

Kelley's Pace Hare Hop

5 km
Mar
14
Saturday

HTC Winter Series Simsbury 10K

10 km
Mar
21
Saturday

Enchanted Forest Ultra Run

Backyard Ultra 50 km
Mar
22
Sunday

Annual Johnny's Jog for Charity 5K

5 km
Mar
28
Saturday

Savin Rock Marathon

Half Marathon Marathon
Mar
28
Saturday

Northern Nipmuck Trail Race

Trail Run 16 mi
Mar
28
Saturday

Bradley Road Race - 10K

5 km 10 km
Mar
29
Sunday

Sleeping Giant Trail Runs

Trail Run 25 km 50 km
April 2026
Apr
4
Saturday

Run Across CT

Trail Run 100 km 200 km
Apr
12
Sunday

Cheshire Road Race

5 km 13 mi
Apr
18
Saturday

Race for Your Mental Health

5 km
Apr
18
Saturday

Traprock 50

Trail Run 17 km 50 km
Apr
25
Saturday

Shane Kinsella Memorial Run/Walk

2 mi 5 mi
Articles
Top 10 Marathons in the Netherlands — The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series