10 events in Northwest Hills Planning Region, Connecticut

From big races to Saturday morning group runs—find relay events and connect with the local endurance sports community.

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Jun

04

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

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Thu, Jun 04, 2026 at 12:00 AM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

152 Miles Marathon Relay Run Trail Ultra Walk via RunSignup
runsignup.com Register at runsignup.com
Jun

04

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

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Thu, Jun 04, 2026 at 12:00 PM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

61 Miles Marathon Relay Run Trail Ultra Walk via RunSignup
runsignup.com Register at runsignup.com
Jun

05

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

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Fri, Jun 05, 2026 at 12:00 PM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

43 Miles Marathon Relay Run Trail Ultra Walk via RunSignup
runsignup.com Register at runsignup.com
Jun

06

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

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Sat, Jun 06, 2026 at 12:00 PM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

28 Miles Marathon Relay Run Trail Walk via RunSignup
runsignup.com Register at runsignup.com
Jun

06

Sat
Iron Hike - Spring Kuwohi Trail Half Marathon Plus Relay - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Sat, Jun 06, 2026 at 12:00 PM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

15 Miles Half Marathon Relay Run Trail Walk via RunSignup
runsignup.com Register at runsignup.com

Oct

01

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

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Thu, Oct 01, 2026 at 12:00 AM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

152 Miles Marathon Relay Run Trail Ultra Walk via RunSignup
runsignup.com Register at runsignup.com
Oct

01

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

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Thu, Oct 01, 2026 at 12:00 PM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

61 Miles Marathon Relay Run Trail Ultra Walk via RunSignup
runsignup.com Register at runsignup.com
Oct

02

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

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Fri, Oct 02, 2026 at 12:00 PM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

43 Miles Marathon Relay Run Trail Ultra Walk via RunSignup
runsignup.com Register at runsignup.com
Oct

03

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

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Sat, Oct 03, 2026 at 12:00 PM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

28 Miles Marathon Relay Run Trail Walk via RunSignup
runsignup.com Register at runsignup.com
Oct

03

Sat
Iron Hike - Fall Kuwohi Trail Half Marathon Plus Relay - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk

Northwest Hills Planning Region, Connecticut, 06753, United States
OpenStreetMap Google Maps

Sat, Oct 03, 2026 at 12:00 PM

Continue to the registration site for current registration prices. >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

15 Miles Half Marathon Relay Run Trail Walk via RunSignup
runsignup.com Register at runsignup.com

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