All races in Connecticut

Upcoming half marathons in Connecticut

9 half marathons are coming up in Connecticut, out of 141 races on the statewide calendar. Compare dates, distances and locations, then get ready with a personalized training plan.

9 upcoming races

September 2026

Sep 27, 2026Greenwich Half Marathon📍 Greenwich, CT13.1 mi

October 2026

Oct 4, 2026Sono Half + 5K with myTEAM TRIUMPH📍 Norwalk, CT3.1 mi · 13.1 mi
Oct 10, 2026Eversource Hartford Marathon and Half Marathon📍 Hartford, CT26.2 mi · 13.1 mi · 3.1 mi
Oct 10, 2026Marathon Eversource de Hartford 📍 Hartford, CT26.2 mi · 26.2 mi · 13.1 mi · 3.1 mi

November 2026

Nov 16, 2026Hillacious Half-Marathon📍 Litchfield, CT13.1 mi

April 2027

Apr 3, 2027Savin Rock Marathon & Half Marathon📍 West Haven, CT26.2 mi · 13.1 mi
Apr 18, 2027Stamford Run Club 5k/10k/Half Marathon📍 Stamford, CT13.1 mi · 6.2 mi · 3.1 mi

June 2027

Jun 5, 2027UCONN HEALTH Run📍 Hartford, CT13.1 mi · 6.2 mi · 3.1 mi

July 2027

Jul 31, 2027Ocean Beach John & Jessie Kelley Half Marathon📍 New London, CT13.1 mi

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