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Connecticut Running calendar 2024-2025

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Explore the best running races in Connecticut for 2024-2025! Our updated list features 73 exciting races across the state. Find your next race in Connecticut below and join the running community at these great events!

April 2025
Apr
19
Saturday

Traprock 50

Trail Run 17 km 50 km
Apr
27
Sunday

Jack Bristol Lake Waramaug Ultra Races

Trail Run 50 km 50 mi 100 km
May 2025
May
3
Saturday

Forgotten Forest Ultra Run - Stratford, CT

Backyard Ultra 9 hr
May
4
Sunday

The Blue 2 Blue Challenge

Trail Run 50 km
May
10
Saturday

Ansonia Trails 5K

Trail Run 5 km
May
18
Sunday

Rossiter Run

5 km
May - Jun
31-1
Sa - Su

Fairfield Road Races

5 km 13 mi
June 2025
Jun
1
Sunday

TriRidgefield Sprint Triathlon

Triathlon
Jun
5-8
Th - Su

Ironhike Endurance Series - Spring

Trail Run 15 mi 28 mi ... 61 mi 152 mi
Jun
7
Saturday

SongStrong

5 km
Jun
8
Sunday

Litchfield Hills Road Race

7 mi
Jun
14
Saturday

Ansonia Six Hour Trail Run

Trail Run 6 hr
Jun
28
Saturday

Centurion Ultra Trail Event

Backyard Ultra 33 hr
Jun
28
Saturday

Brooksvale 12-Hour

Trail Run 12 hr
July 2025
Jul
11
Friday

The 7-11 Slurpee Day Ultra 60k

Trail Run 60 km
Jul
26
Saturday

Valley of Hartford 5K

5 km
August 2025
Aug
3
Sunday

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

5 km
Aug
17
Sunday

Mohegan Striders 4-Miler

4 mi
Aug
19
Tuesday

Battle of Stonington 5K

5 km
Aug
23
Saturday

Saybrook Point 5k Road Race

5 km