19 events in Northwest Hills Planning Region, Connecticut

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

19 events

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Northwest Hills Planning Region

19 events in Northwest Hills Planning Region

Nov

08

Sat
Roxbury Marathon

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

Sat, Nov 08, 2025

50k Half Marathon Marathon Ultra via UltraSignup
ultrasignup.com
Jun

04

Thu
Iron Hike - Spring Olympus Mons Ultra Trail Marathon - 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 Run Trail Ultra Walk via RunSignup
runsignup.com Register at runsignup.com
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 - 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 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 - 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 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 - 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 Run Trail 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

Oct

01

Thu
Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Full (Backyard Ultra Format) - 100+ Miles | 50,400' 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.

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

01

Thu
Iron Hike - Fall Olympus Mons Ultra Trail Marathon - 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

Register Now!

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

152 Miles Marathon Run Trail Ultra 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 - 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 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 - 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 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 Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ 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.

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

03

Sat
Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 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 Run Trail 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

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