Running Races in Connecticut — 2026

There are 292 running races in Connecticut in 2026 across 123 cities. The next upcoming race is the Spring Street Mile & 5K Presented by PTSMC in Manchester on May 30. Popular distances include 5K races, trail runs, half marathons.

THS Post Prom

Fri, May 29 · Trumbull, CT Trumbull

Open Closing Soon

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Spring Street Mile & 5K Presented by PTSMC

Sat, May 30 · Manchester, CT Manchester

Road Men's MileWomen's MileSpring Street 5K

From $20 Open Closing Soon

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Woodland Ramble Trail Run

Sat, May 30 · Mystic, CT Mystic

Trail 5K Trail Run

From $31 Open Closing Soon

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Roxbury Road Race Series #13

Sat, May 30 · Roxbury, CT Roxbury

Road 3.9 Miles

From $10 Open Closing Soon

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The River Run 5K and Kids Fun Run

Sat, May 30 · Old Saybrook, CT Old Saybrook

Road The River Run Kids Fun RunThe River Run 5K

From $15 Open Closing Soon

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17th Annual Barkhamsted River Run 5K

Sun, May 31 · Barkhamsted, CT Barkhamsted

Road 1M Kids Fun Run5K

From $10 Open Closing Soon

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Glastonbury Education Foundation 5K Run/Walk (GEF5K)

Sun, May 31 · Glastonbury, CT Glastonbury

Road GEF5K Run/Walk

From $40 Open Closing Soon

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Run the Vineyards - Jonathan Edwards 5K

Sun, May 31 · North Stonington, CT North Stonington

Road 5K

From $44 Open Closing Soon

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TriRidgefield Sprint Triathlon and Duathlon

Sun, May 31 · Ridgefield, CT Ridgefield

Triathlon TriRidgefield - RelayDuRidgefield - IndividualTriRidgefield - Individual

From $95 Open Closing Soon 59 spots left

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Belltown Spring Sprint 2M Run & Walk, Kids Run

Tue, Jun 2 · East Hampton, CT East Hampton

Road Kids Run2 Mile Walk2 Mile Run

From $5 Open Closing Soon

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Worthington Early Summer 5k Running Series

Wed, Jun 3 · Somers, CT Somers

Open Closing Soon

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The Big Run Presented by Brooks

Wed, Jun 3 · West Hartford, CT West Hartford

Open Closing Soon

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IronHike Mohawk Mountain Spring 2026

Thu, Jun 4 · Mohawk Mtn Ski Area, Cornwall, CT Mohawk Mtn Ski Area, Cornwall

Ultra Kuwohi - IndividualKuwohi - Trail Buddy (Team of 2)Kuwohi - Trail Family (Team of 3 or 4) +14

From $145 Open Closing Soon

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11th Annual Flanders Field & Forest 5K Trail Run/Walk

Fri, Jun 5 · Woodbury, CT Woodbury

Trail Flanders Field & Forest 5K Run/Walk

From $30 Open Closing Soon

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Roxbury Road Race Series #14

Sat, Jun 6 · Roxbury, CT Roxbury

Road 9.9 Miles

From $10 Open Closing Soon

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Athletic Brewing Company Fairfield Road Races

Sat, Jun 6 · Fairfield, CT Fairfield

Road Lil' Stags Kids Fun Run (1/2 Mile)Athletic Brewing Beer Mile!5K +2

From $10 Open Closing Soon 70 spots left

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Kelley's Pace National Donut Day Relay

Sat, Jun 6 · Mystic, CT Mystic

Open Closing Soon

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Run the Race 5K

Sat, Jun 6 · Danbury, CT Danbury

Road Run the Race 5K

From $35 Open Closing Soon

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Heart of Eastford 5K

Sat, Jun 6 · Eastford, CT Eastford

Road 2026 Heart of Eastford 5k

From $30 Open Closing Soon

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America’s 250th – Greenwich Community 5K & Fun Mile (1 Mile)

Sat, Jun 6 · Greenwich, CT Greenwich

Road America 250 Greenwich 1 Mile RunAmerica 250 Greenwich 5K Run

From $10 Open Closing Soon

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SongStrong 5K

Sat, Jun 6 · Guilford, CT Guilford

Virtual 5KKids Fun RunVirtual 5K

From $10 Open Closing Soon

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Hamden Fest Half Marathon & 5k

Sat, Jun 6 · Hamden, CT Hamden

Road Hamden Fest 5KHamden Fest Half MarathonHalf Marathon Relay

From $30 Open Closing Soon

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East Hampton Rotary .5K

Sun, Jun 7 · East Hampton, CT East Hampton

Road Kids 5 and younger .5K (This is not a 5K)Dogs .5K (This is not a 5K)Kids 6 to 17 .5K (This is not a 5K) +1

From $0 Open Closing Soon

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Celebrate! West Hartford FUNd RUNS

Sun, Jun 7 · West Hartford, CT West Hartford

Road Kids' K5K - YOUTH CLUBS: Zoomerangs, Girls In Stride, MPower, CHS Soccer, Grace Webb Running Club5K

From $5 Open Closing Soon

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Peaks, Pedals, and Pints

Sun, Jun 7 · Colebrook, CT Colebrook

Virtual Get Off the Couch Foundation FundraiserGet Off the Couch Foundation Fundraiser

From $40 Open Closing Soon

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Bridgewater 1 Mile Fun Run

Sun, Jun 7 · Bridgewater, CT Bridgewater

Road Bridgewater 1 Mile Fun Run Wave 1Bridgewater 1 Mile Fun Run Wave 3Bridgewater 1 Mile Fun Run Wave 2

From $25 Open Closing Soon 33 spots left

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O'Neill's 5K

Sun, Jun 7 · Norwalk, CT Norwalk

Virtual O'Neill's Virtual 1 Mile Health WalkO'Neill's 5KO'Neill's Virtual 5K

From $35 Open Closing Soon

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The 25th Annual Laura's Garden Community Run

Sun, Jun 7 · Wethersfield, CT Wethersfield

Road 3K5K

From $25 Open Closing Soon

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Brookfield Lions Strides to Cure Diabetes 5-Miler

Sun, Jun 7 · Brookfield, CT Brookfield

Road Brookfield Lions Strides to Cure Diabetes 5-Miler

From $30 Open Closing Soon

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THS Eagles Final FlyThru

Sun, Jun 7 · Trumbull, CT Trumbull

THS Eagles Final FlyThru - PARENT / GUARDIAN / ADULT DRIVERTHS Eagles Final FlyThru - STUDENT

From $0 Open Closing Soon

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Trail Running Extravaganza

Wed, Jun 10 · Farmington, CT Farmington

Open Closing Soon

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Red, White and Blue in Bethany 5K

Sat, Jun 13 · Bethany, CT Bethany

Road 5K run

From $35 Open

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Fleet Feet Hartford Summer 2026 5k & 10k Training Programs

Sat, Jun 13 · West Hartford, CT West Hartford

Road Bundle: 5k Training Program & Goal Race Registration5k Training Program - Training Program Only10K Training Program - Training Program Only +1

From $100 Open

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6th Annual A. W. Stanley Park 5K

Sat, Jun 13 · New Britain, CT New Britain

Virtual 1 Mile Walk UntimedVirtual 1 MileVirtual 5K +2

From $30 Open

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52nd Annual Rooster Run

Sat, Jun 13 · Newtown, CT Newtown

Road 5K (In Person) RACE START 8:20 AM10K (In Person) RACE START 8:20 AMLittle Dash (Ages 3 to 8) RACE START 8 AM

From $10 Open

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Gaylord Gauntlet

Sat, Jun 13 · Wallingford, CT Wallingford

OCR Gaylord Gauntlet 2026

From $60 Open

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Roxbury Road Race Series #15

Sat, Jun 13 · Roxbury, CT Roxbury

Road 10k Falls Road

From $10 Open

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Fleet Feet Hartford Summer 2026 Full & Half Marathon Training Programs

Sat, Jun 13 · West Hartford, CT West Hartford

Road Half-Marathon Training Program & Goal Race RegistrationHalf-Marathon Training - Training Program OnlyMarathon Training Program & Goal Race Registration +1

From $150 Open

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Flag Day 5K

Sun, Jun 14 · Bethel, CT Bethel

Road Flag Day 5K

From $40 Open

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Darien 5K-Run / 1-Mile Walk ( in Support of Ukraine )

Sun, Jun 14 · Darien, CT Darien

Virtual 1-Mile Walk5K RunVirtual 5K Run / walk

From $30 Open Closing Soon

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North Branford Hot Potato 1 miler

Sun, Jun 14 · North Branford, CT North Branford

Road North Branford Hot Potato Wave 1North Branford Hot Potato Wave 2

From $25 Open 30 spots left

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Milford Rotary Run in the Park 5K

Sun, Jun 14 · Milford, CT Milford

Road Milford Rotary Run in the Park 5K - at Eisenhower Park, Milford, CT

From $25 Open

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Litchfield Hills Road Race

Sun, Jun 14 · Litchfield, CT Litchfield

Road Litchfield Hills Road Race

From $50 Open

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Run For The Rock

Sun, Jun 14 · Bridgeport, CT Bridgeport

Road Run for the Rock 5K Run or Walk ages 18 & under ONLYRun for the Rock 5K Run or Walk ages 19 & over

From $25 Open Closing Soon

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Devil Dash 5k

Sun, Jun 14 · Stratford, CT Stratford

Road Little Devil Dash - 1/2 Mile "Kids Run"Devil Dash 5k

From $12.5 Open Closing Soon

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Solstice Sprint 5K

Wed, Jun 17 · West Hartford, CT West Hartford

Road Solstice Sprint 5K

From $20 Open

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Lake Terramuggus Sprint Triathlon #1

Thu, Jun 18 · Marlborough, CT Marlborough

Triathlon Super Sprint TriAqua BikeSprint Tri +1

From $35 Open

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Liz Harris Memorial Cannonball 1 Mile Run

Thu, Jun 18 · Preston, CT Preston

Road Liz Harris Memorial Cannonball 1 Mile Run

From $22 Open

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2026 Camp Jewell 5K Fun Run/Walk & Kids 1M

Sat, Jun 20 · Colebrook, CT Colebrook

Road 1 Mile Kids Run (Not Timed)5K Run/Walk

From $0 Open Closing Soon

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2026 Rushford’s Race for Recovery 5K Color Run

Sat, Jun 20 · Portland, CT Portland

Road 5K5K Fun Walk (Not timed)

From $25 Open

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