Which Connecticut cities have the most races?
Roxbury (14), New Haven (6), Meriden (5), New London (4) have the most upcoming races in Connecticut. If you are willing to travel an hour or two, those give you the widest choice of dates and distances.
Connecticut · Race calendar
Running Races in Connecticut
Every upcoming running race in Connecticut, all 218 of them. 5Ks, 10Ks, half marathons and marathons with dates, pricing, finish-time stats from past results, and start-line maps.
218 upcoming races · 111 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.
Races by City in Connecticut
Soonest Races in Connecticut
218 total Sun, Aug 23, 2026Healthy Kids Running Series Fall 2026 - Pomfret, CT Pomfret, CTFrom $50Details Sat, Sep 5, 2026Rising Stars Training Program (Fall Session) Glastonbury, CTFrom $50Details Sat, Sep 5, 2026Get Ready to Run! 5K Training Program (Fall Session) Glastonbury, CTFrom $50Details Sat, Sep 12, 2026Run 4 Hunger and Health Newtown, CTFrom $5Details Sat, Sep 12, 2026SUFFIELD PARKS & RECREATION ROAD RACE Suffield, CTFrom $35Details Sat, Sep 12, 2026Kailey Jaie Prenoveau Scholarship 5K Run Harwinton, CTFrom $20Details Sat, Sep 12, 2026Groton City Brew Run Groton, CTFrom $37Details Sat, Sep 12, 2026Roxbury Road Race Series #26 Roxbury, CTFrom $10Register Sat, Sep 12, 2026Riva Runs The Boardwalk 5k West Haven, CTFrom $30Details Sat, Sep 12, 2026Greenleaf 5K River Run for the Fund New London, CTFrom $35Details Sun, Sep 13, 2026EDRRC - High Watch Recovery Center's Sprint for Sobriety 5K Run/Walk Kent, CTFrom $25Details Sun, Sep 13, 2026Montville Race Day 5K , 10K , and Color Run Oakdale, CTFrom $30Details
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 Sep 10, 2026.
Common Questions About Racing in Connecticut
What race distances can I run in Connecticut?
Connecticut has 5K (160), 10K (11), Half Marathon (9), Marathon (2), Ultra (2). Pick a distance to narrow the list to races you would actually enter.
When is race season in Connecticut?
October is the busiest month for races in Connecticut, with 75 of the 218, followed by September with 58. If you are flexible on the date, that is the quickest way to narrow things down.
Are Connecticut races beginner-friendly?
Yes, for the most part. Across the 111 races in Connecticut with published results, the typical median finish is around 31:59, 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 races in Connecticut?
Yes, 15 races around Connecticut get you off the pavement: 9 are trail races, and 6 mix road and trail. Surfaces are not always published, so it is worth checking a specific race before you register.