Running Races in Connecticut — 2026

There are 262 running races in Connecticut in 2026 across 124 cities. The next upcoming race is the Lake Terramuggus Sprint Triathlon #1 in Marlborough on June 18. Popular distances include 5K races, trail runs, half marathons.

Solstice Sprint 5K

Wed, Jun 17 · West Hartford, CT West Hartford

Road Solstice Sprint 5K

From $20 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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Lake Terramuggus Sprint Triathlon #1

Thu, Jun 18 · Marlborough, CT Marlborough

Triathlon Super Sprint TriAqua BikeSprint Tri +1

From $35 Open Closing Soon

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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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4th Annual Bloomfield Juneteenth 5K

Sat, Jun 20 · Bloomfield, CT Bloomfield

Road 5K Run/Walk

From $30 Open Closing Soon

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Summer Sizzler 2-Miler

Sat, Jun 20 · Sherman, CT Sherman

Road 2 Miler

From $25 Open Closing Soon

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Roxbury Road Race Series #16

Sat, Jun 20 · Roxbury, CT Roxbury

Road 4.2 Miles

From $10 Open Closing Soon

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2026 Rushford’s Race for Recovery 5K Color Run

Sat, Jun 20 · Portland, CT Portland

Road 5K Fun Walk (Not timed)5K

From $25 Open Closing Soon

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FISH Fun Run/Walk

Sat, Jun 20 · New Fairfield, CT New Fairfield

Road One MileOne MileOne Mile

From $20 Open Closing Soon 35 spots left

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Acrisure Branford Road Race

Sun, Jun 21 · Branford, CT Branford

Road 1 Mile Mark Gilhuly Family Fun Run2 Mile Health Walk5 mile

From $12 Open Closing Soon

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8th Annual 5k Walk/Run for Overdose Awareness

Thu, Jun 25 · Shelton, CT Shelton

Road 8th Annual 5k Walk/Run for Overdose Awareness

From $40 Open Closing Soon

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Knight @ the Track

Fri, Jun 26 · Wilton, CT Wilton

Road 5,000 Meter Run10,000 Meter Run

From $30 Open Closing Soon

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Roxbury Road Race Series #17

Sat, Jun 27 · Roxbury, CT Roxbury

Road 5.7 Miles

From $10 Open Closing Soon

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The Club 2nd Annual 5k!

Sat, Jun 27 · Naugatuck, CT Naugatuck

Road 5k

From $25 Open Closing Soon

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Rocky Hill America 250 Fun Run & 2 Miles

Sat, Jun 27 · Rocky Hill, CT Rocky Hill

Road Kids Fun Run2M Trail Run

From $5 Open Closing Soon

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Rose Arts Road Race

Sat, Jun 27 · Norwich, CT Norwich

Road 5K10K

From $25 Open Closing Soon

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MRC Track & Field Series presented by Marathon Sports

Sat, Jun 27 · Manchester, CT Manchester

Road July 9th Adult MileJuly 9th Adult 100July 9th Adult 200 +7

From $0 Open Closing Soon

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Beyond your Limits 5k

Sat, Jun 27 · West Haven, CT West Haven

Road 5K

From $35 Open Closing Soon

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Tunnel to Towers 5K Run & Walk - Bethel, CT

Sun, Jun 28 · Bethel, CT Bethel

Road Teen Registration 13 to 17 yrsChild Registration 12 & UnderFirst Responders & Military Registration +1

From $5 Open Closing Soon

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11th Annual Milford Moves for Veterans 5K

Sun, Jun 28 · Milford, CT Milford

Road 5K Runner or Walker 18 & under5K Runner or Walker 19 & over

From $22 Open Closing Soon

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GRR Firecracker 5K Presented By Highland Park Market

Sun, Jun 28 · Glastonbury, CT Glastonbury

Road 2 Mile Route5K

From $30 Open Closing Soon

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Fleet Feet Hartford Summer 2026 Full & Half Marathon Training Programs

Sun, Jun 28 · West Hartford, CT West Hartford

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

From $150 Open

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Mystic Pizza Run

Sun, Jun 28 · Mystic, CT Mystic

Road Pizza Run

From $30 Open Closing Soon 64 spots left

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Lake Terramuggus Sprint Triathlon #2

Thu, Jul 2 · Marlborough, CT Marlborough

Triathlon Super Sprint TriAqua BikeSprint Relay Tri +1

From $35 Open

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Milford Road Runners Independence Day 5K

Sat, Jul 4 · Milford, CT Milford

Road 5K

From $30 Open

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The Revolutionary Mile - At the Boom Box Parade

Sat, Jul 4 · Willimantic, CT Willimantic

Road The Revolutionary Mile

From $25 Open Closing Soon

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Four on the Fourth

Sat, Jul 4 · New Canaan, CT New Canaan

Road 4 Mile Run

From $25 Open

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Chester Rotary's 48th Four on the Fourth

Sat, Jul 4 · Chester, CT Chester

Road 4 on the 4th

From $35 Open

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Wickham Summer XC Series

Mon, Jul 6 · Manchester, CT Manchester

Road Wickham Summer XC Series Race 1Wickham Summer XC Series Race 5Wickham Summer XC Series Race 4 +3

From $5 Open

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Rails to Trails

Fri, Jul 10 · East Hampton, CT East Hampton

Road 5K

From $25 Open

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Litchfield Hills Triathlon

Sat, Jul 11 · New Hartford, CT New Hartford

Triathlon AquaBikeOlympic TriathlonRELAY TEAM - Triathlon

From $89 Open

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Pirate's Beer Run! - A 0.5k Run For Cancer

Sat, Jul 11 · Colchester, CT Colchester

Virtual Pirate's Beer Run - 0.5k (On-Site Participant)Virtual Participant (Shipped Swag!)

From $25 Open Closing Soon

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Roxbury Road Race Series #18

Sat, Jul 11 · Roxbury, CT Roxbury

Road 3 Miles

From $10 Open

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Point O' Woods Beach 5K Run/Walk

Sat, Jul 11 · Old Lyme, CT Old Lyme

Road 5k

From $25 Open

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Enfield 4th of July 5k

Sat, Jul 11 · Enfield, CT Enfield

Road 5k

From $35 Open Closing Soon

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Petit Family Foundation 5K

Sun, Jul 12 · Plainville, CT Plainville

Road 5KFitness Walk

From $30 Open

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THE FAIRFIELD POLICE SUNSET 5K - Presented by Moneco Advisors

Wed, Jul 15 · Fairfield, CT Fairfield

Road Fairfield Police Sunset 5K Run - Presented by Moneco AdvisorsFOOD TRUCK TICKET- NON REGISTERED ONLY - Presented by Moneco AdvisorsFairfield Police Sunset .8 MILE untimed WALK - Presented by Moneco Advisors

From $20 Open

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2026 Fairfield Police Sunset 5K with myTEAM TRIUMPH

Wed, Jul 15 · Fairfield, CT Fairfield

Open

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Ambulance Driver 5K at BADSONS Brewery

Wed, Jul 15 · Derby, CT Derby

Road Ambulance Driver 5K

From $40 Open

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5K Training Program for the Battle of Stonington

Thu, Jul 16 · Mystic, CT Mystic

Road Training

From $35 Open

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Lake Terramuggus Sprint Triathlon #3

Thu, Jul 16 · Marlborough, CT Marlborough

Triathlon Super Sprint TriSprint TriSprint Relay Tri +1

From $35 Open

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Roxbury Road Race Series #19

Sat, Jul 18 · Roxbury, CT Roxbury

Road Roxbury Painter Hill 10k

From $10 Open

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Move! with the Urban League

Sat, Jul 18 · Hartford, CT Hartford

Road 5K

From $20 Open

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Run For Ryan Memorial Run

Sat, Jul 18 · Dayville, CT Dayville

Road 5KWalkKids Fun Run

From $0 Open

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East Granby 1 miler

Sun, Jul 19 · East Granby, CT East Granby

Road East Granby Wave 2East Granby Wave 1

From $25 Open 35 spots left

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Predict Your Pace 1 Miler

Sun, Jul 19 · South Windsor, CT South Windsor

Road Predict Your Pace 12:30pm WavePredict Your Pace 12pm WavePredict Your Pace 1pm Wave

From $25 Open 50 spots left

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Ellington 1 miler

Sun, Jul 19 · Ellington, CT Ellington

Road Ellington Wave 1Ellington Wave 2

From $25 Open 40 spots left

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LYSB Midsummer Run

Sat, Jul 25 · Old Lyme, CT Old Lyme

Road Kids K5K Run5K Walk

From $10 Open

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Southwest Cafe Margarita 5K

Sat, Jul 25 · Ridgefield, CT Ridgefield

Road Southwest Cafe Margarita 5k

From $35 Open

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Woodmont 5K

Sat, Jul 25 · Milford, CT Milford

Road 5K Run

From $30 Open

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