Ultramarathons in Connecticut, United States
Find ultramarathons in Connecticut, United States. Compare 2 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Sleeping Giant Trail Runs and Jack Bristol Lake Waramaug Ultra Races.
3 listed events · 2 with upcoming dates
Upcoming ultramarathons
2 matching events, earliest date first. Entry availability is shown separately.
Sleeping Giant Trail Runs
USAHamden, Connecticut
Technical trail races with steep climbs in Sleeping Giant State Park.
· 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
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 →Choosing a race in Connecticut
The unfiltered upcoming calendar includes events in Hamden (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 ultramarathons in Connecticut
Which ultramarathons are coming up in Connecticut, United States?
Sleeping Giant Trail Runs is listed for 4 April 2027. Jack Bristol Lake Waramaug Ultra Races is listed for 25 April 2027. Check the race guide and organiser’s latest information before making plans.
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.