Running races in Connecticut, United States
Find running races in Connecticut, United States. Compare 6 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Upcoming running events include 50K races, 100K races, 25K races and 5K races.
Events to explore include 8 Hours at the Farm, CT Trailmixers Fall Fling and Manchester Road Race.
8 listed events · 6 with upcoming dates
Upcoming running races
6 matching events, earliest date first. Entry availability is shown separately.
8 Hours at the Farm
USABrookfield, Connecticut
Timed trail races on a rolling farm loop, with a shorter 5K race and a canicross division.
· 4H / 5K / 8H
Race details, entry and past editions →Entry information ↗CT Trailmixers Fall Fling
USASouthington, Connecticut
Autumn trail running on Camp Sloper’s rolling woodland paths, with rocks, roots and a pavilion race base.
· 4mi
Race details, entry and past editions →Entry information ↗Manchester Road Race
USAManchester, Connecticut
Thanksgiving Day Manchester 4.737-mile.
· 4.737 miles
Race details, entry and past editions →Entry information ↗Tower Tag Challenge
USAHamden, Connecticut
Timed hill-running challenges on repeated out-and-back climbs to the Sleeping Giant observation tower.
· 4H / 8H
Race details, entry and past editions →Entry information ↗Sleeping Giant Trail Runs
USAHamden, Connecticut
Technical trail races with steep climbs in Sleeping Giant State Park.
· 25K / 50K
Race details, entry and past editions →Entry information ↗Jack Bristol Lake Waramaug Ultra Races
USAKent, Connecticut
Road ultras around scenic Lake Waramaug.
· 100K / 50K / 50mi
Race details, entry and past editions →Entry information ↗Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
Bimblers Bluff 50K
USAGuilford, Connecticut
A 50K race through connected woodland preserves, using rocky trails and forest roads in southern Connecticut.
Next date not listed
Race guide and recorded editions →Eversource Hartford Marathon
USAHartford, Connecticut
Hartford’s October road marathon weekend.
Next date not listed
Race guide and recorded editions →Choosing a race in Connecticut
The unfiltered upcoming calendar includes events in Hamden (2), Brookfield (1), Kent (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about running races in Connecticut
Which running races are coming up in Connecticut, United States?
8 Hours at the Farm is listed for 1 November 2026. CT Trailmixers Fall Fling is listed for 21 November 2026. Manchester Road Race is listed for 26 November 2026. Check the race guide and organiser’s latest information before making plans.
What running distances are listed in Connecticut, United States?
Look for 50K races, 100K races, 25K races and 5K races in the upcoming listings. If an event offers several distances, check the individual race guide to choose the edition and distance you want to enter.
Where can I find race entry details for Connecticut, United States?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.