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

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

Weston, Connecticut, United States

25 Oct, 2026 (Sun)

$15.00 - $60.00

Running

Half-Marathon 5K 1K

Roxbury Fall Classic

Roxbury, Connecticut, United States

14 Nov, 2026 (Sat)

$60.00 - $110.00

Running

Half-Marathon Marathon Ultra

Hillacious Half Marathon

Litchfield, Connecticut, United States

14 Nov, 2026 (Sat)

$50.00 - $60.00

Running

Half-Marathon 10.5K 6.4K

Mystic Half Marathon & 10K

Mystic, Connecticut, United States

17 May, 2026 (Sun)

Running

Half-Marathon 10K

Race Through Connecticut 1M, 5K, 10K, 13.1, 26.2 – Now Only $20!

Stanford, Connecticut, United States

28 Mar, 2026 (Sat) – 31 Dec, 2026

$20.00

Running

1.6K 5K 10K Half-Marathon +1

Fleet Feet Hartford Spring 2026 Training Programs

West Hartford, Connecticut, United States

14 Mar, 2026 (Sat) – 06 Jun, 2026

Running

Half-Marathon 5K 10K +2