Connecticut Running Calendar 2025-2026

Header image

Explore the best running races in Connecticut for 2025-2026! Our updated list features 127 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!

July 2025
Jul
1
Tuesday

Winding Trails Sprint Triathlon

Triathlon
Jul
4
Friday

John Demille Firecracker 8K

8 km
Jul
5
Saturday

Litchfield Hills Triathlon

Triathlon
Jul
8
Tuesday

Winding Trails Sprint Triathlon

Triathlon
Jul
9
Wednesday

Ambulance Driver 5K

5 km
Jul
10
Thursday

Cedar Lake Triathlon Series

Triathlon
Jul
11
Friday

The 7-11 Slurpee Day Ultra 60k

Trail Run 60 km
Jul
11
Friday

Rails-to-Trails 5K - East Hampton

Trail Run 5 km
Jul
12
Saturday

Move With the Urban League

5 km
Jul
12
Saturday

Hopkins Vineyard Triathlon

Triathlon
Jul
15
Tuesday

Winding Trails Sprint Triathlon

Triathlon
Jul
22
Tuesday

Winding Trails Sprint Triathlon

Triathlon
Jul
24
Thursday

Riverfront Hartford 4 Mile

4 mi
Jul
24
Thursday

Cedar Lake Triathlon Series

Triathlon
Jul
26
Saturday

Valley of Hartford 5K

5 km
Jul
26
Saturday

Southwest Cafe Margarita 5K

5 km
Jul
27
Sunday

Soapstone Assault

Trail Run 5 mi
August 2025
Aug
2
Saturday

John & Jessie Kelley Half Marathon

13 mi
Aug
2
Saturday

The People's Forest 7-Mile Trail Run

Trail Run 7 mi
Aug
3
Sunday

Walnut Beach Ice Cream Run 5K Benefiting the Boys and Girls Club of Milford

5 km
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