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

Hamden Fest Half Marathon & 5k

Hamden, Connecticut, United States

06 Jun, 2026 (Sat)

$40.00 - $120.00

Running

Half-Marathon 5K

Athletic Brewing Company Fairfield Road Races

Fairfield, Connecticut, United States

06 Jun, 2026 (Sat) – 07 Jun, 2026

$12.00 - $105.00

Running

5K 26.1K 1.6K 0.8K +1

UConn Health Half Marathon

Simsbury, Connecticut, United States

06 Jun, 2026 (Sat)

Running

Half-Marathon 10K 5K

Fleet Feet Hartford Summer 2026 Full & Half Marathon Training Programs

West Hartford, Connecticut, United States

13 Jun, 2026 (Sat) – 10 Oct, 2026

$150.00 - $272.00

Running

Marathon Half-Marathon

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

New London, Connecticut, United States

01 Aug, 2026 (Sat)

Free

Running

Half-Marathon

Newtown Community Running Event

Newtown, Connecticut, United States

30 Aug, 2026 (Sun)

$40.00 - $80.00

Running

5K 10K Half-Marathon

Faxon Law New Haven Road Race

New Haven, Connecticut, United States

07 Sep, 2026 (Mon)

$10.00 - $82.00

Running

Half-Marathon 20K 5K 0.8K +1

Hogsback Half Marathon

Colebrook, Connecticut, United States

26 Sep, 2026 (Sat)

$60.00

Running

Half-Marathon

Greenwich Half Marathon

Old Greenwich, Connecticut, United States

27 Sep, 2026 (Sun)

$75.00

Running

Half-Marathon

Garavel SoNo Half Marathon | 5K

Norwalk, Connecticut, United States

04 Oct, 2026 (Sun)

Free - $65.00

Running

Half-Marathon 5K 1.6K +1

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

Hartford, Connecticut, United States

10 Oct, 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

18 Oct, 2026 (Sun)

$28.50 - $61.00

Running

Half-Marathon 11.3K 5K +2