Marathons in Connecticut

4 upcoming marathons in Connecticut, with dates and field depth before you enter.

All races 5K races 153 10K races 10 Half marathons 14 Marathons 4 Ultramarathons 2 Races near me

By city

Fairfield (9)Stratford (9)New Haven (7)West Hartford (6)Hamden (5)

Which of these could you place in? raceIQ ranks them by where your pace would finish, in your age group and gender.

Find your races

November 2026

Sat, Nov 14Roxbury Fall ClassicRoxburyHalf marathonMarathon

April 2027

June 2027

Mon, Jun 72027 New England Series - Day 1 (CT)Simsbury5K10KHalf marathonMarathonUltra