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Ultra Marathons Found In Connecticut in Summer

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Ultra Marathons in Connecticut in Summer 2025

Find A Race is the US's favourite event listings site. Check out our list of Summer 2025 Ultra Marathons in Connecticut below.

Race Calendar: Ultra Marathons Found In Summer

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Iron Hike - Spring Everest / 29029 Everesting Ultra Trail Marathon Relay - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Cornwall, Connecticut
05 Jun 25 - 08 Jun 25
Free
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Iron Hike - Spring Denali Ultra Trail Marathon Relay - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Cornwall, Connecticut
06 Jun 25 - 08 Jun 25
Free
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IronHike Endurance Series - Spring 2025 - Mohawk Mtn, CT, USA

Cornwall, Connecticut
05 Jun 25 - 08 Jun 25
$99.00 - $2,000.00

Norbrook Farm Brewery Trail Festival

Colebrook, Northwest Hills
14 Jun 25
$30.00

Ride with Hal

Westbrook, Connecticut
31 Aug 25
$44.90 - $71.40

Chase's 20th Birthday Challenge: 200 miles in 10 months!

Newtown, Connecticut
01 Jan 25 - 31 Oct 25
$38.10

Iron Hike - Spring Olympus Mons Ultra Trail Marathon - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Cornwall, Connecticut
05 Jun 25 - 08 Jun 25
Free

Iron Hike - Spring Olympus Mons Ultra Trail Marathon Relay - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Cornwall, Connecticut
05 Jun 25 - 08 Jun 25
Free

Iron Hike - Spring Everest / 29029 Everesting Ultra Trail Marathon - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Cornwall, Connecticut
05 Jun 25 - 08 Jun 25
Free

Iron Hike - Spring Everest / 29029 Everesting Ultra Trail Marathon Relay - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Cornwall, Connecticut
05 Jun 25 - 08 Jun 25
Free

Iron Hike - Spring Denali Ultra Trail Marathon - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Cornwall, Connecticut
06 Jun 25 - 08 Jun 25
Free

Iron Hike - Spring Denali Ultra Trail Marathon Relay - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Cornwall, Connecticut
06 Jun 25 - 08 Jun 25
Free

Iron Hike - Spring Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk

Cornwall, Connecticut
07 Jun 25 - 08 Jun 25
Free

Iron Hike - Spring Double Kuwohi Trail Marathon Plus Relay - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk

Cornwall, Connecticut
07 Jun 25 - 08 Jun 25
Free
Showing 1-12 of 12 results