Races in Connecticut
273 upcoming road, trail, triathlon, and ultra races in Connecticut for 2026 and beyond — 5Ks, 10Ks, half marathons, marathons, and more.
- RFR - Mohegan SunMon, Sep 7, 2026 · Uncasville, CT
- Faxon Law New Haven Road RaceMon, Sep 7, 2026 · New Haven, CTHalf Marathon20K5K1K
- Notre Dame West Haven XC DuelsTue, Sep 8, 2026 · West Haven, CT5K4K2.2K
- Somers Cross Country Home Meet 1Wed, Sep 9, 2026 · Somers, CT5K
- Riva Runs The Boardwalk 5kSat, Sep 12, 2026 · West Haven, CT5K
- Groton City Brew RunSat, Sep 12, 2026 · Groton, CT5K1 Mile
- Greenleaf 5K River Run for the FundSat, Sep 12, 2026 · New London, CT5K
- Run 4 Hunger and HealthSat, Sep 12, 2026 · Newtown, CT5K1 Mile
- SUFFIELD PARKS & RECREATION ROAD RACESat, Sep 12, 2026 · Suffield, CT10K5K2.5K400m
- Kailey Jaie Prenoveau Scholarship 5K RunSat, Sep 12, 2026 · Harwinton, CT5K
- 2026 Dave Parcells Madison TriathlonSat, Sep 12, 2026 · Madison, CT26.6K20K26.1K
- Ladrigan Swim RacesSat, Sep 12, 2026 · Norwalk, CT1 Mile1K402m
- Roxbury Road Race Series #26Sat, Sep 12, 2026 · Roxbury, CT10.3K
- Healthy Kids Running Series Fall 2026 - East Windsor, CTSun, Sep 13, 2026 · East Windsor, CT
- PTSMC Stride to Provide 5K Run/WalkSun, Sep 13, 2026 · Wallingford, CT5K
- Sprague All Are Welcome 1-mile fun runSun, Sep 13, 2026 · Baltic, CT1 Mile
- 2026 Farmington Memorial Walk & Kids' Fun RunSun, Sep 13, 2026 · Farmington, CT
- Sounds by the Seaport 5k Walk/RunSun, Sep 13, 2026 · Waterford, CT5K
- West Haven Community House 85th Anniversary Community Fun WalkSun, Sep 13, 2026 · West Haven, CT3.2K
- 2026 Lyme Hunter PaceSun, Sep 13, 2026 · Lyme, CT12.9K
- EDRRC - High Watch Recovery Center's Sprint for Sobriety 5K Run/WalkSun, Sep 13, 2026 · Kent, CT5K
- Montville Race Day 5K , 10K , and Color RunSun, Sep 13, 2026 · Oakdale, CT5K10K
- 14th Annual Miles for a Mission 5K Run/Walk – In Person AND Virtual – benefiting INTEMPOMon, Sep 14, 2026 · Stamford, CT5K
- Avon XC Home MeetTue, Sep 15, 2026 · Avon, CT5K
- Cheshire Community YMCA Harvest Trail Race and Y Cup RelayWed, Sep 16, 2026 · Cheshire, CT5K400m
- WATKINSON CROSS COUNTRY RACESWed, Sep 16, 2026 · Bloomfield, CT
- ABC Laps For Life 5kSat, Sep 19, 2026 · Middletown, CT5K
- 2nd Annual PCS Harvest Hustle 5K & Kids RunSat, Sep 19, 2026 · Pomfret Center, CT1K5K
- Bozrah Fire Department 5k Road Race and Kids' fun runSat, Sep 19, 2026 · Bozrah, CT5K
- Roxbury Road Race Series #27Sat, Sep 19, 2026 · Roxbury, CT6.9K
- Arc RunSat, Sep 19, 2026 · Meriden, CT10K5K
- OUTRUN ADDICTION 5KSat, Sep 19, 2026 · Enfield, CT5K3.2K
- 2026 Run To The River 5KSat, Sep 19, 2026 · Deep River, CT5K
- 4 Town 5kSat, Sep 19, 2026 · Somers, CT5K
- Connecticut River Valley InvitationalSat, Sep 19, 2026 · Cromwell, CT5K
- Bound for the SoundSat, Sep 19, 2026 · Old Lyme, CT5K10K1 Mile
- Fleet Feet Hartford Fall 2026 5k & 10k Training ProgramsSat, Sep 19, 2026 · West Hartford, CT5K10K
- Fleet Feet Hartford Fall 2026 Training ProgramsSat, Sep 19, 2026 · West Hartford, CT5K8K
- 2026 Darien Road Race & Family Fun Day Charity FundraiserSun, Sep 20, 2026 · Darien, CT2.4K8K
- Circle of Care's Annual Walk/Run for Kids With CancerSun, Sep 20, 2026 · Westport, CT5K
- Murray Lender 5K Bagel RunSun, Sep 20, 2026 · Woodbridge, CT1K5K3.2K
- Zoomerangs! Kids Running ProgramSun, Sep 20, 2026 · West Hartford, CT
- Cockaponsett Trails to a CureSun, Sep 20, 2026 · Chester, CT14.5K6.4K
- 17th Annual Farmington River Run 5K Trail RaceSun, Sep 20, 2026 · Farmington, CT5K
- Come Out & Run 5kSun, Sep 20, 2026 · Wilton, CT5K
- Circle of Care's Annual Walk/Run for Kids With CancerSun, Sep 20, 2026 · Westport, CT5K
- HALF WAY TO ST. PATS DAY 5KSun, Sep 20, 2026 · Stratford, CT5K
- Where the Pavement Ends Single & Double LoopSun, Sep 20, 2026 · Ridgefield, CT6.9K13.2K
- 14th Annual NOW ~Lap The Lake~ 5k Walk & RunSun, Sep 20, 2026 · Dayville, CT5K
- One Mile, One Goal RunSun, Sep 20, 2026 · Enfield, CT1 Mile
- Cromwell Riverport 5kSat, Sep 26, 2026 · Cromwell, CT5K
- Woodbridge 5kSat, Sep 26, 2026 · Woodbridge, CT5K
- Roxbury Road Race Series #28Sat, Sep 26, 2026 · Roxbury, CT5K
- No Sto Defeats MSA 5K Trail Race and Fitness WalkSat, Sep 26, 2026 · North Stonington, CT5K1 Mile
- LivSports Baseball/ Softball JamboreeSat, Sep 26, 2026 · Bridgeport, CT
- Together We Run for Education Charity Road RaceSat, Sep 26, 2026 · East Hartford, CT5K2.4K
- Come on Over 5K and 2.1 Mile Fitness WalkSat, Sep 26, 2026 · Portland, CT5K3.4K
- Sickle Cell Disease Association of America, CT/ Michelle's House Walk. Run. Bike.Sat, Sep 26, 2026 · New Haven, CT5K1 Mile24.1K
- Hogsback Half MarathonSat, Sep 26, 2026 · Colebrook, CTHalf Marathon
- Chamber Challenge 5KSat, Sep 26, 2026 · Meriden, CT5K
- 2026 Pies & Pub TaTa Trot 5kSat, Sep 26, 2026 · Middlebury, CT5K
- The River RunSat, Sep 26, 2026 · Simsbury, CT5K10K1 Mile
- Hayfield Hustle and Oktoberfest at New Pond Farm Education CenterSat, Sep 26, 2026 · Redding, CT8K5K1K
- Central CT Open Water SwimSun, Sep 27, 2026 · Marlborough, CT5K
- Moosup Valley 5k, 8K and 10K All Trail RaceSun, Sep 27, 2026 · Sterling, CT5K10K
- 4th Annual Beach to Beach 5kSun, Sep 27, 2026 · Morris, CT5K
- The 39th Bigelow Tea Community ChallengeSun, Sep 27, 2026 · Southport, CT5K3K1 Mile
- Run/Walk To Save a Life 5KSun, Sep 27, 2026 · Hamden, CT5K
- Bosco Fowler Memorial 5K Road RaceSun, Sep 27, 2026 · Stafford Springs, CT5K
- HSS Greenwich Half MarathonSun, Sep 27, 2026 · Old Greenwich, CTHalf Marathon
- Lisbon Fall Festival Road RaceSun, Sep 27, 2026 · Lisbon, CT5K
- HSS Greenwich Half MarathonSun, Sep 27, 2026 · Old Greenwich, CTHalf Marathon
- Training Program: 5-Mile for the Tarzan Brown Mystic River RunMon, Sep 28, 2026 · Mystic, CT
- Shoreline Small Schools League MeetTue, Sep 29, 2026 · Moodus, CT5K
- IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Trail Buddy Flex Relay (2 Mountain Athletes) - 72,590 feet of elevation gain, possibly more than any endurance event of its kind. - 100 Mile + Elevation Endurance Ultra Trail Marathon - 152 + Miles - 84 Hour - We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard UltraThu, Oct 1, 2026 · Cornwall, CT244.6K
- Everest - 60 Mile + (60 Miler) - just over 29029 feet of elevation gain up and down - Everesting Elevation Endurance Ultra Trail Marathon - 61 + Miles | 72 Hour - IronHike (Iron Hike) Fall (October / Oct) - Relay - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.Thu, Oct 1, 2026 · Cornwall, CT98.2K
- IronHike Mohawk Mountain Fall Series 2026Thu, Oct 1, 2026 · Mohawk Mtn Ski Area, Cornwall, CT46.7K100 Miles24.1K46.3K70.4K98.6K245.4K
- Everest - 60 Mile + (60 Miler) - just over 29029 feet of elevation gain up and down - Everesting Elevation Endurance Ultra Trail Marathon - 61 + Miles | 72 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.Thu, Oct 1, 2026 · Cornwall, CT98.2K
- Answer the Bell Full - 100 Mile + (100 Miler) - Complete a 1.2 mile, 600 foot loop every hour, on the hour, for up to 84 hours, until you can no longer answer the bell. - Elevation Endurance Ultra Backyard Trail Marathon - 100 + Miles | 84 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, hike, or walk with us as we redefine race day.Thu, Oct 1, 2026 · Cornwall, CT98.2K
- IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo - 72,590 feet of elevation gain, possibly more than any endurance event of its kind. - 100 Mile + Elevation Endurance Ultra Trail Marathon - 152 + Miles - 84 Hour - We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard UltraThu, Oct 1, 2026 · Cornwall, CT244.6K
- Denali - 40 Mile + (40 Miler) - if you can only spare your whole weekend - Elevation Endurance Ultra Trail Marathon - 43 + Miles | 48 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.Fri, Oct 2, 2026 · Cornwall, CT69.2K
- Pounding the Pavement for Pink RacesFri, Oct 2, 2026 · Seymour, CT5K1 Mile
- Nonnewaug Cross Country InvitationalFri, Oct 2, 2026 · Woodbury, CT5K2.4K
- Denali - 40 Mile + (40 Miler) - if you can only spare your whole weekend - Elevation Endurance Ultra Trail Marathon - 43 + Miles | 48 Hour - IronHike (Iron Hike) Fall (October / Oct) - Relay - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.Fri, Oct 2, 2026 · Cornwall, CT69.2K
- Iron Hike - Fall Kuwohi Trail Half Marathon Plus Relay - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or WalkSat, Oct 3, 2026 · Cornwall, CT24.1K
- Roxbury Road Race Series #29Sat, Oct 3, 2026 · Roxbury, CT3.7K
- Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or WalkSat, Oct 3, 2026 · Cornwall, CT45.1K
- Iron Hike - Fall Double Kuwohi Trail Marathon Plus Relay - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or WalkSat, Oct 3, 2026 · Cornwall, CT45.1K
- Cider Mill Road RaceSat, Oct 3, 2026 · Tolland, CT5K1 Mile
- Running for Water for Africa 5KSat, Oct 3, 2026 · Milford, CT5K1 Mile
- Race Brook's Rockin' Road RaceSat, Oct 3, 2026 · Orange, CT5K
- BEACH ROSES WALKSat, Oct 3, 2026 · Madison, CT4K1K
- Salmon River 5.5 Mile RunSat, Oct 3, 2026 · Colchester, CT8.9K
- Dana's Angels Research Trust's 2026 "DART To The Finish" 2 Mile Walk to Cure Niemann-Pick type C DiseaseSat, Oct 3, 2026 · Old Greenwich, CT3.2K
- 5th Annual Purple Light Project 5KSat, Oct 3, 2026 · Hartford, CT5K1 Mile
- IronHike Kuwohi | Run, Power Hike, Walk. Solo | Start Here | Mohawk Mountain, Connecticut | 15 Miles | 7,140' Elevation | 12-Hour | Fall October - 7,140 feet of elevation gain across 12 laps on Mohawk Mountain Trail, the entry point for first time Mountain Athletes. - Elevation Endurance Half Marathon - We are redefining race day. Tags: Iron Hike, Trail Half Marathon Plus, Half Marathon, 15 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Beginner EnduranceSat, Oct 3, 2026 · Cornwall, CT24.1K
- Forbidden Forest 30 Hour UltraSat, Oct 3, 2026 · Stratford, CT
- Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ Elevation | 24-Hour | Run, Hike or WalkSat, Oct 3, 2026 · Cornwall, CT98.2K
- Capalbo Strong WalkSun, Oct 4, 2026 · Fairfield, CT24K
- Big Sky 5K and Kids 1 mile DashSun, Oct 4, 2026 · Farmington, CT5K1 Mile
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