Which Connecticut cities have the most Half Marathon races?
Newtown (1), New Haven (1), Colebrook (1), Old Greenwich (1) lead the state for Half Marathon races. Those give you the most dates to choose from if your schedule is tight.
Connecticut · Half Marathon
Half Marathon Races in Connecticut
Every upcoming Half Marathon in Connecticut, all 10 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
10 upcoming Half Marathon races · 4 with finish-time stats
By the numbers
The Biggest and Longest-Running
The Connecticut races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
Half Marathon Races by City
Soonest Half Marathon Races in Connecticut
10 total Sun, Aug 30, 2026Newtown Community Running Event Newtown, CTFrom $45Details Mon, Sep 7, 2026Faxon Law New Haven Road Race New Haven, CTFrom $32Details Sat, Sep 26, 2026Hogsback Half Marathon Colebrook, CTFrom $60Details Sun, Sep 27, 2026HSS Greenwich Half Marathon Old Greenwich, CTFrom $80Details Sat, Oct 10, 2026Hartford Marathon, Half Marathon, Relay & Charity 5K Hartford, CTPricing TBADetails Sun, Oct 18, 202650th Anniversary Ridgefield Road Fest 1/2 Marathon, 7-Miler, and Iris Fund 5K Ridgefield, CTFrom $34Details Sun, Oct 25, 2026Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll WESTON, CTFrom $35Details Sat, Nov 14, 2026Hillacious Half Marathon Litchfield, CTFrom $50Details Sat, Nov 14, 2026Roxbury Fall Classic Roxbury, CTFrom $60Details Sun, Apr 11, 2027Ion Bank Cheshire Road Races Cheshire, CTFrom $28Details
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.
Common Questions About Running a Half Marathon in Connecticut
When are most Half Marathon races held in Connecticut?
September is the busiest month for Half Marathon races in Connecticut, with 3 of the 10, followed by October with 3. If you are flexible on the date, that is the quickest way to narrow things down.
How much do Connecticut Half Marathon races cost?
Entry fees for Half Marathon races here run from $28 to about $80, depending on the event and how early you register.
How early should I register for a Half Marathon in Connecticut?
6 of the 10 Half Marathon races in Connecticut already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.
Are Connecticut Half Marathon races beginner-friendly?
Yes, for the most part. Across the 4 Half Marathon races in Connecticut with published results, the typical median finish is around 2:04:59, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.
Are there trail Half Marathon races in Connecticut?
Yes, one race around Connecticut gets you off the pavement: 1 mixes road and trail. Surfaces are not always published, so it is worth checking a specific race before you register.