Upcoming Half Marathon Races Near Northwest Harwinton, CT

Name: 2026 New England Series - Day 3 (MA)
Start: 2026-06-10
End: 2026-06-10
Location: Holyoke

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2025 Gulf Beach Half Marathon

Milford, CT

Saturday, September 13th, 2025

Half

Trail

View details for race 2025 Gulf Beach Half Marathon

Hogsback Half Marathon

Colebrook, CT

Saturday, September 27th, 2025

Half

Fast

View details for race Hogsback Half Marathon

2025 MHRRC Dutchess County Classic

Poughkeepsie, NY

Saturday, September 27th, 2025

Half

10K

View details for race 2025 MHRRC Dutchess County Classic

Norfolk Land Trust Trail Race Series/Haystack M...

Norfolk, CT

Sunday, October 5th, 2025

10K

Half

Trail

View details for race Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge

Eversource Hartford Marathon, Half Marathon, Re...

Hartford, CT

Saturday, October 11th, 2025

Half

Marathon

View details for race Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

2025 Rhinebeck Fall Foliage Half Marathon & 5K

Rhinebeck, NY

Sunday, October 12th, 2025

Half

View details for race 2025 Rhinebeck Fall Foliage Half Marathon & 5K

The Ridgefield Road Fest: 1/2 Marathon, 7-Miler...

Ridgefield, CT

Sunday, October 19th, 2025

Half

Fast

View details for race The Ridgefield Road Fest: 1/2 Marathon, 7-Miler, & Iris Fund 5K

Ridgefield Half Marathon, 7 Miler & 5K @ 7:15 AM

Ridgefield, CT

Sunday, October 19th, 2025

Half

Fast

View details for race Ridgefield Half Marathon, 7 Miler & 5K @ 7:15 AM

The Reservoir Run Half Marathon, 5K, and Kids F...

WESTON, CT

Sunday, October 26th, 2025

Half

View details for race The Reservoir Run Half Marathon, 5K, and Kids Fun Run

Monson Memorial Classic Half Marathon & 5K

Monson, MA

Sunday, October 26th, 2025

Half

Fast

View details for race Monson Memorial Classic Half Marathon & 5K

Hillacious Half Marathon

Litchfield, CT

Saturday, November 15th, 2025

Half

View details for race Hillacious Half Marathon

2026 New England Series - Day 1 (CT)

Simsbury, CT

Monday, June 8th, 2026

10K

Half

View details for race 2026 New England Series - Day 1 (CT)

2026 New England Series - Day 3 (MA)

Holyoke, MA

Wednesday, June 10th, 2026

10K

Marathon

View details for race 2026 New England Series - Day 3 (MA)

Explore more in Northwest Harwinton, CT

Distances:

5K 10K Half Marathon Marathon

Months:

September October November

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Connecticut races

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