Running Races in Connecticut — 2026

There are 243 running races in Connecticut in 2026 across 120 cities. The next upcoming race is the Ellington 1 miler in Ellington on July 19. Popular distances include 5K races, 10K races, ultras.

2026 Unite to Fight 5K Run/Walk

Sun, Aug 23 · Stamford, CT Stamford

Virtual Unite to Fight 5KVirtual 5KKids Fun Run

From $10 Open

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Healthy Kids Running Series Fall 2026 - Pomfret, CT

Sun, Aug 23 · Pomfret, CT Pomfret

Road Single Day Walk Up Week 3PreK 2/3 Yr Old - 50 Yard DashPreK 4/5 Yr Old - 75 Yard Dash +21

From $15 Open

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2026 Killingworth Road Race 4 Miles

Sat, Aug 29 · Killingworth, CT Killingworth

Road 4M run

From $25 Open Closing Soon

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Sgt Scoulars Overdose Awareness and Recovery 5K Run

Sat, Aug 29 · New Milford, CT New Milford

Open

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Roxbury Road Race Series #24

Sat, Aug 29 · Roxbury, CT Roxbury

Road GUESS YOUR PACE RACE

From $10 Open

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Newtown Community Running Event

Sun, Aug 30 · Newtown, CT Newtown

Road 5K Run/Walk10K1/2 Marathon

From $35 Open

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Be Happy Road Race

Sun, Aug 30 · Ellington, CT Ellington

Virtual Kid Fun Run 1K - LIVE IN PERSONVirtual 5K Run5K RUN/WALK - LIVE IN PERSON +3

From $20 Open 2 spots left

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Lobster Loop 5K

Sun, Aug 30 · Canton, CT Canton

Road 5K Road Race

From $30 Open

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TPC River Highlands

Mon, Aug 31 · Cromwell, CT Cromwell

Participant Registration

From $1200 Open 100 spots left

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Run for The Hills

Sat, Sep 5 · Niantic, CT Niantic

Trail Run for the Hills

From $25 Open

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Roxbury Road Race Series #25

Sat, Sep 5 · Roxbury, CT Roxbury

Road Roxbury Mile II

From $10 Open

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Black Hog Brewing Co. 5K Road Race

Sat, Sep 5 · Oxford, CT Oxford

Road 5K

From $30 Open

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Haddam Neck Fair 5K

Sun, Sep 6 · Haddam, CT Haddam

Road Haddam Neck Fair 5K

From $18 Open

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3rd Annual LSC Soccer Stride

Sun, Sep 6 · Ledyard, CT Ledyard

Road 5k1/4 Mile Kids Fun Run

From $10 Open

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Faxon Law New Haven Road Race

Mon, Sep 7 · New Haven, CT New Haven

Virtual 1/2 Mile Kids Fun Run5KHalf Marathon Relay +4

From $8 Open

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SUFFIELD PARKS & RECREATION ROAD RACE

Sat, Sep 12 · Suffield, CT Suffield

Road 2026 Suffield Parks & Recreation Walk2026 Suffield Parks & Recreation 5k Road Race2026 Suffield Parks & Recreation 10k Road Race

From $0 Open

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Kailey Jaie Prenoveau Scholarship 5K Run

Sat, Sep 12 · Harwinton, CT Harwinton

Road 5k RunStudent 5K Run (Must be under 18 to Register for this)

From $20 Open

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Roxbury Road Race Series #26

Sat, Sep 12 · Roxbury, CT Roxbury

Road 6.4 Miles

From $10 Open

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Riva Runs The Boardwalk 5k

Sat, Sep 12 · West Haven, CT West Haven

Road Riva Runs The Boardwalk 5kRiva Runs The Boardwalk 18 & under

From $25 Open Closing Soon

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2026 Dave Parcells Madison Triathlon

Sat, Sep 12 · Madison, CT Madison

Triathlon AquabikeYouth "Try" (Ages 11-16 with adult)Relay Team Tri +5

From $100 Open

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Groton City Brew Run

Sat, Sep 12 · Groton, CT Groton

Road 5K ONLY: Run or Walk5K AND Beer Garden Access: Run or WalkBeer Garden Access Only

From $32 Open

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Run 4 Hunger and Health

Sat, Sep 12 · Newtown, CT Newtown

Road Kids RunRun 4 Hunger and Health

From $5 Open

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2026 Farmington Memorial Walk & Kids' Fun Run

Sun, Sep 13 · Farmington, CT Farmington

Road Memorial WalkKids' Fun Run

From $10 Open

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EDRRC - High Watch Recovery Center's Sprint for Sobriety 5K Run/Walk

Sun, Sep 13 · Kent, CT Kent

Road EDRRC - High Watch Recovery Center's Sprint for Sobriety 5K Run/Walk

From $25 Open

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West Haven Community House 85th Anniversary Community Fun Walk

Sun, Sep 13 · West Haven, CT West Haven

WHCH 85th Anniversary Community Fun Walk

From $30 Open

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Montville Race Day 5K , 10K , and Color Run

Sun, Sep 13 · Oakdale, CT Oakdale

Road 5K10K5K / 10K Bundle

From $30 Open

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PTSMC Stride to Provide 5K Run/Walk

Sun, Sep 13 · Wallingford, CT Wallingford

Road Stride to Provide 5K

From $36.79 Open

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14th Annual Miles for a Mission 5K Run/Walk – In Person AND Virtual – benefiting INTEMPO

Mon, Sep 14 · Stamford, CT Stamford

Virtual 5K Run/Walk - IN PERSON - UNTIMED5K Run/Walk - IN PERSON - TIMED5K Run/Walk – VIRTUAL

From $30 Open

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Roxbury Road Race Series #27

Sat, Sep 19 · Roxbury, CT Roxbury

Road 4.3 Miles

From $10 Open

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4 Town 5k

Sat, Sep 19 · Somers, CT Somers

Road 4 Town 5k

From $35 Open

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OUTRUN ADDICTION 5K

Sat, Sep 19 · Enfield, CT Enfield

Virtual 2 Mile Walk5K Run or WalkVirtual 5K Run/Walk

From $25 Open

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Bound for the Sound

Sat, Sep 19 · Old Lyme, CT Old Lyme

Road 1 Mile Family Fun Run5K10K (USATF-CT 10K State Championship)

From $5 Open Closing Soon

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2026 Run To The River 5K

Sat, Sep 19 · Deep River, CT Deep River

Road 5K Run/Walk

From $20 Open

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Arc Run

Sat, Sep 19 · Meriden, CT Meriden

Virtual Virtual 5KARC 5KARC 10K

From $20 Open

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2nd Annual PCS Harvest Hustle 5K & Kids Run

Sat, Sep 19 · Pomfret Center, CT Pomfret Center

Road Kids Fun Run5K

From $10 Open

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Come Out & Run 5k

Sun, Sep 20 · Wilton, CT Wilton

Road Adult & Kids (age10+) RegistrationKids under 10 Registration

From $0 Open

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Circle of Care's Annual Walk/Run for Kids With Cancer

Sun, Sep 20 · Westport, CT Westport

Road In-Person 5K RUNIn-Person WALK

From $20 Open

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Circle of Care's Annual Walk/Run for Kids With Cancer

Sun, Sep 20 · Westport, CT Westport

Road In-Person WALK/RUNIn-Person 5K RUN

From $25 Open Closing Soon

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14th Annual NOW ~Lap The Lake~ 5k Walk & Run

Sun, Sep 20 · Dayville, CT Dayville

Road 14th Annual NOW ~Lap The Lake~ 5k Walk & Run14th Annual NOW ~Lap The Lake ~ 1/2 MILE KIDS FUN RUN (Ages 10 and under)

From $5 Open

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2026 Darien Road Race & Family Fun Day Charity Fundraiser

Sun, Sep 20 · Darien, CT Darien

Road 1.5-Mile Timed Run/Walk5-Mile Timed Race

From $45 Open

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17th Annual Farmington River Run 5K Trail Race

Sun, Sep 20 · Farmington, CT Farmington

Trail 5K Trail Run

From $35 Open

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Where the Pavement Ends Single & Double Loop

Sun, Sep 20 · Ridgefield, CT Ridgefield

Trail Where the Pavement Ends - Single LoopWhere the Pavement Events - The Double (two loops)

From $42 Open

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HALF WAY TO ST. PATS DAY 5K

Sun, Sep 20 · Stratford, CT Stratford

Road Half Way to St Pats 5K 20 & underHalf Way to St Pats 5K 21 & overHalf Way to St Pats free kids run (10 & under)

From $0 Open Closing Soon

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Murray Lender 5K Bagel Run

Sun, Sep 20 · Woodbridge, CT Woodbridge

Road 2 Mile Family Fitness Walk/Run5K Race on USATF Certified Course

From $20 Open

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Hayfield Hustle and Oktoberfest at New Pond Farm Education Center

Sat, Sep 26 · Redding, CT Redding

Road Children’s Sap Run5k5 Mile +2

From $15 Open

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Roxbury Road Race Series #28

Sat, Sep 26 · Roxbury, CT Roxbury

Road 3.2 Miles

From $10 Open

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Cromwell Riverport 5k

Sat, Sep 26 · Cromwell, CT Cromwell

Road Cromwell Riverport 5k

From $25 Open Closing Soon

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No Sto Defeats MSA 5K Trail Race and Fitness Walk

Sat, Sep 26 · North Stonington, CT North Stonington

Virtual Defeat MSA Fitness WalkDefeat MSA 5K RunVirtual Support- walk/run when and Where you want

From $20 Open

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Hogsback Half Marathon

Sat, Sep 26 · Colebrook, CT Colebrook

Road Half Marathon

From $60 Open

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Sickle Cell Disease Association of America, CT/ Michelle's House Walk. Run. Bike.

Sat, Sep 26 · New Haven, CT New Haven

Road Sickle Cell Disease Association of America, CT/ Mile Walk - Michelle's HouseSickle Cell Disease Association of America, CT/ James Barber 5K Run - Michelle's HouseSickle Cell Disease Association of America, CT Bike Ride - Michelle's House

From $25 Open

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