Northeast · CT
Running Races in Connecticut
Connecticut currently has 161 upcoming races with a confirmed date listed in RaceRove. Roxbury, Stratford, Hamden and Cornwall have the largest concentration of events.
By distance, that includes 111 5Ks, 12 10Ks, 11 half marathons and 8 marathons. Many events offer more than one distance, so a race can appear in more than one of those counts.
October (72), November (37) and September (20) are the busiest months on the calendar right now. Another 122 annual races are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 161
- Active listings
- 283
- Cities with races
- 141
Browse Connecticut races by distance
Upcoming races in Connecticut
The next 60 of 161 with a confirmed date, soonest first.
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IronHike Mohawk Mountain FallMohawk Mtn Ski Area, Cornwall, CT29 Miles100 Miler15 Miles28.75 Miles +3 more
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Iron Hike - Fall Denali Ultra Trail Marathon - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or WalkCornwall, CTMarathon43 Miles
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Forbidden Forest 30 Hour UltraStratford, CT
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Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or WalkCornwall, CT28 Miles15 Miles
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Groton Memorial Walk & Kids' Fun RunGroton, CT
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Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford, CTMarathonHalf Marathon10K5K
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest races in Connecticut
By estimated field size across all distances at the event.
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Manchester Road RaceManchester, CT Usually held in November · date not confirmed4.748 miles ~12,400 runners
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Hartford MarathonHartford, CT Usually held in October · date not confirmedMarathonHalf5K ~10,000 runners
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New Haven Road RaceNew Haven, CT Usually held in September · next date not announced20K5K ~5,500 runners
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Pequot Runners Thanksgiving Day RaceSouthport, CT Usually held in November · date not confirmed5 Mile Run2.6 Mile Walk ~5,500 runners
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Athletic Brewing Company Fairfield Road RacesFairfield, CT Usually held in June · date not confirmedHalf Marathon5KLucas Challenge (Half + 5K)Beer Mile +1 more ~5,000 runners
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IRIS Run for Refugees 5KNew Haven, CT Usually held in February · date not confirmed5K ~3,000 runners
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Acrisure Branford Road RaceBranford, CT Usually held in June · date not confirmed5 Mile2 Mile WalkFamily Fun Run ~2,000 runners
When races happen in Connecticut
- January
- 4 upcoming races
- February
- 2 upcoming races
- March
- 3 upcoming races
- April
- 7 upcoming races
- May
- 6 upcoming races
- June
- 2 upcoming races
- September
- 20 upcoming races
- October
- 72 upcoming races
- November
- 37 upcoming races
- December
- 8 upcoming races
Connecticut cities with the most races
- Roxbury
- 12 upcoming races
- Stratford
- 8 upcoming races
- Hamden
- 8 upcoming races
- Cornwall
- 7 upcoming races
- Mystic
- 4 upcoming races
- Bridgeport
- 3 upcoming races
- Hartford
- 3 upcoming races
- Kent
- 3 upcoming races
Annual events awaiting their next date
These races are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Manchester Road RaceManchester, CT Usually held in November · date not confirmed4.748 miles ~12,400 runners
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Hartford MarathonHartford, CT Usually held in October · date not confirmedMarathonHalf5K ~10,000 runners
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New Haven Road RaceNew Haven, CT Usually held in September · next date not announced20K5K ~5,500 runners
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Pequot Runners Thanksgiving Day RaceSouthport, CT Usually held in November · date not confirmed5 Mile Run2.6 Mile Walk ~5,500 runners
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Athletic Brewing Company Fairfield Road RacesFairfield, CT Usually held in June · date not confirmedHalf Marathon5KLucas Challenge (Half + 5K)Beer Mile +1 more ~5,000 runners
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IRIS Run for Refugees 5KNew Haven, CT Usually held in February · date not confirmed5K ~3,000 runners
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Acrisure Branford Road RaceBranford, CT Usually held in June · date not confirmed5 Mile2 Mile WalkFamily Fun Run ~2,000 runners
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Greenwich Alliance for Education Turkey Trot 5KGreenwich, CT Usually held in November · date not confirmed5K1 Mile Fun Run/WalkMini Trot ~1,800 runners
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99.1 PLR ShamRock & Roll 5KNew Haven, CT Usually held in March · date not confirmed5K ~1,500 runners
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Litchfield Hills Road RaceLitchfield, CT Usually held in June · date not confirmed7.1 MileChildren's Races ~1,500 runners
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Stamford Boys & Girls Club Corporate 5KStamford, CT Usually held in May · date not confirmed5K ~1,500 runners
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Old Wethersfield 5K & 10KWethersfield, CT Usually held in August · date not confirmed5K10K ~1,200 runners
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UConn Health Half Marathon, 10K & 5K (on Iron Horse)Simsbury, CT Usually held in June · date not confirmedHalf Marathon10K5K ~1,200 runners
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Connecticut ChallengeSouthport, CT Usually held in July · date not confirmedHalf Marathon ~1,000 runners
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CT Race in the ParkNew Britain, CT Usually held in May · date not confirmed5K Run4K/1 Mile Walk ~1,000 runners
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Minute Man RaceWestport, CT Usually held in April · date not confirmed10K5K Run/WalkKids Fun Run ~1,000 runners
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Mystic Half Marathon & 10KMystic, CT Usually held in May · date not confirmedHalf Marathon10KKids Run ~1,000 runners
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Ocean Beach / John & Jessie Kelley Half MarathonNew London, CT Usually held in August · date not confirmedHalf Marathon ~1,000 runners
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Middletown 10K & 5K Run/WalkMiddletown, CT Usually held in April · date not confirmed10K5K ~800 runners
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Shoreline Half MarathonMadison, CT Usually held in May · date not confirmedHalf Marathon ~600 runners
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Hangover Half Marathon & 5KBristol, CT Usually held in January · date not confirmedHalf Marathon5K ~500 runners
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O'Neill's 5KNorwalk, CT Usually held in June · date not confirmed5KVirtual 5KKids Fun Run ~500 runners
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Sweetheart Run & WalkLitchfield, CT Usually held in February · date not confirmed5 Mile3 Mile Walk ~400 runners
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Norwich Winterfest 5KNorwich, CT Usually held in December · date not confirmed5K Run/WalkVirtual 5K ~200 runners
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The Revolutionary Mile (Boom Box Parade Mile)Willimantic, CT Usually held in July · date not confirmed1 Mile ~200 runners
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Battle of Stonington 5KStonington, CT Usually held in August · next date not announced5K0.25 Miles
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Black Hog Brewing Co. 5K Road RaceOxford, CT Usually held in September · next date not announced5K
Races in nearby states
Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Running Races in Connecticut: common questions
- How many races are there in Connecticut?
- RaceRove currently lists 161 upcoming races in Connecticut with a confirmed date, plus 122 annual events whose next date hasn't been announced yet.
- Which Connecticut cities have the most races?
- By upcoming events listed in RaceRove: Roxbury (12), Stratford (8), Hamden (8), Cornwall (7) and Mystic (4).
- When is race season in Connecticut?
- Of the upcoming races listed, the busiest months are October (72), November (37) and September (20).
- What is the biggest race in Connecticut?
- By estimated field size, the largest race listed in Connecticut is the Manchester Road Race, with about 12,400 runners across all of its distances.
Search every race in Connecticut
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.