Half-Marathon races in Connecticut, United States — 2026 running calendar

64th Annual Ocean Beach/John & Jessie Kelley Half Marathon

New London, Connecticut, United States

Aug 1, 2026 (Sat)

Free

Running

Half-Marathon

Newtown Community Running Event

Newtown, Connecticut, United States

Aug 30, 2026 (Sun)

$45.00 - $85.00

Running

5K 10K Half-Marathon

Faxon Law New Haven Road Race

New Haven, Connecticut, United States

Sep 7, 2026 (Mon)

$10.00 - $82.00

Running

Half-Marathon 20K 5K 0.8K +1

Hogsback Half Marathon

Colebrook, Connecticut, United States

Sep 26, 2026 (Sat)

$60.00

Running

Half-Marathon

Greenwich Half Marathon

Old Greenwich, Connecticut, United States

Sep 27, 2026 (Sun)

$75.00

Running

Half-Marathon

Garavel SoNo Half Marathon | 5K

Norwalk, Connecticut, United States

Oct 4, 2026 (Sun)

Free - $75.00

Running

Half-Marathon 5K 1.6K +1

Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

Hartford, Connecticut, United States

Oct 10, 2026 (Sat)

Running

Marathon Half-Marathon 5K

The Ridgefield Road Fest 50th ANNIVERSARY: 1/2 Marathon, 7-Miler, & Iris Fund 5K

Ridgefield, Connecticut, United States

Oct 18, 2026 (Sun)

$33.50 - $66.00

Running

Half-Marathon 11.3K 5K +2

Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll

Weston, Connecticut, United States

Oct 25, 2026 (Sun)

$15.00 - $60.00

Running

Half-Marathon 5K 1K

Hillacious Half Marathon

Litchfield, Connecticut, United States

Nov 14, 2026 (Sat)

$50.00 - $60.00

Running

Half-Marathon 10.5K 6.4K

Roxbury Fall Classic

Roxbury, Connecticut, United States

Nov 14, 2026 (Sat)

$60.00 - $110.00

Running

Half-Marathon Marathon Ultra

Ion Bank Cheshire Road Races

Cheshire, Connecticut, United States

Apr 11, 2027 (Sun)

$10.00 - $60.00

Running

Half-Marathon 5K 0.8K 6.4K