Running Races in Connecticut — 2026

There are 183 running races in Connecticut in 2026 across 102 cities. The next upcoming race is the Lime Rock Park 5K in Lakeville on October 11. Popular distances include 5K races, 10K races, half marathons.

Gemstone Sparkle Sprint 5k

Sat, Oct 10 · Wilton, CT Wilton

Road Sparkle Stroller (Accessible .75 Run/Walk)Sparkle Sprinter- Trail 5KSparkle Spectator +5

From $25 Open Closing Soon

Register →

4th Annual Pumpkin Run Harwinton 5K & Kids Dash

Sat, Oct 10 · Harwinton, CT Harwinton

Road The Pumpkin Run Harwinton - 5K Run200 Yard Kids Dash (Must be accompanied by parent or guardian 18+)400 Yard Kids Dash

From $5 Open Closing Soon

Register →

Roxbury Road Race Series #30

Sat, Oct 10 · Roxbury, CT Roxbury

Road 8.2 Miles

From $10 Open Closing Soon

Register →

Run/Walk To Save a Life 5K

Sun, Oct 11 · Hamden, CT Hamden

Road 5K

From $30 Open Closing Soon

Register →

Benhaven Walk for Autism

Sun, Oct 11 · New Haven, CT New Haven

WalkVirtual Walk

From $25 Open Closing Soon

Register →

Lime Rock Park 5K

Sun, Oct 11 · Lakeville, CT Lakeville

Road 5K

From $35 Open Closing Soon

Register →

New Milford XC Quad Meet

Tue, Oct 13 · New Milford, CT New Milford

Road Boys RaceGirls Race

From $0 Open Closing Soon

Register →

Roxbury Road Race Series #31

Sat, Oct 17 · Roxbury, CT Roxbury

Road 4.2 Miles

From $10 Open Closing Soon

Register →

All Hallows Eve 5K

Sat, Oct 17 · Hampton, CT Hampton

Road 5K

From $25 Open Closing Soon

Register →

Cider Run/Walk 5k

Sat, Oct 17 · Warren, CT Warren

Road Cider Run/Walk 5k

From $25 Open Closing Soon

Register →

4th Annual OAH STRIDES Race and Family Fun Day

Sat, Oct 17 · Simsbury, CT Simsbury

Road Kids Fun Run5K10K

From $25 Open Closing Soon

Register →

The Little Guild 13th Annual Run & Wag 5K

Sat, Oct 17 · Cornwall, CT Cornwall

Road Run & Wag 5k

From $35 Open Closing Soon

Register →

Harvest Hope 5K

Sat, Oct 17 · Bolton, CT Bolton

Road Harvest Hope 5K

From $30 Open Closing Soon

Register →

Run for Waterside

Sat, Oct 17 · Stamford, CT Stamford

Road General Public - 1-Mile Fun RunWaterside Students, Family, Alumni, & FacultyGeneral Public - 5K

From $8 Open Closing Soon

Register →

Consumer Reports 5K

Sat, Oct 17 · Colchester, CT Colchester

Virtual Consumer Reports 5K - Run/Walk at the Auto Test TrackVirtual 5KSpectator

From $0 Open Closing Soon

Register →

The Postal Dash 5K

Sat, Oct 17 · Derby, CT Derby

Road 5K

From $30 Open Closing Soon

Register →

Coast Guard Foundation - Run to Remember 5k Road Race & Walk

Sat, Oct 17 · New London, CT New London

Road Run to Remember 5K

From $30 Open Closing Soon

Register →

IDS Fearless 5K Run and Walk

Sat, Oct 17 · Middlefield, CT Middlefield

Road Fearless Kids Fun Race 4th Grade and UnderFearless 5K Run and Walk

From $10 Open Closing Soon

Register →

Ivoryton Pumpkin Chase

Sat, Oct 17 · Ivoryton, CT Ivoryton

Road 2M Walk5K Run

From $30 Open Closing Soon

Register →

Tom Centinaro Memorial "Dam" Race

Sat, Oct 17 · Wolcott, CT Wolcott

Road Trail Run

From $25 Open Closing Soon

Register →

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

Sat, Oct 17 · Bridgeport, CT Bridgeport

Road Child Registration 12 & UnderYouth Registration 13 to 17 yrsAdult Registration +1

From $5 Open Closing Soon

Register →

Robert Tedford Memorial 5K Road Race

Sat, Oct 17 · Ellington, CT Ellington

Road Tedford Memorial 5K

From $30 Open Closing Soon

Register →

Goodwill Halloween Hustle 5K and Walk

Sun, Oct 18 · Glastonbury, CT Glastonbury

Road Goodwill Halloween Hustle 5K and Walk

From $25 Open Closing Soon

Register →

The 36th edition of THE Great Pumpkin Classic

Sun, Oct 18 · TRUMBULL, CT TRUMBULL

Road 1+ Mile Health Walk ages 18 & under1+ Mile Health Walk ages 19 & over1+ Mile Health Walk ages 19 & over +7

From $16 Open Closing Soon

Register →

2026 Run for The Cove 5K & Memorial Walk

Sun, Oct 18 · Madison, CT Madison

Road Madison Memorial Walk5K RaceKids' Fun Run

From $10 Open Closing Soon

Register →

Mystic Aquarium's Run Walk for Penguins

Sun, Oct 18 · Mystic, CT Mystic

Road 2 Mile Walk5K Run

From $45 Open Closing Soon

Register →

Follow Natural Fitness Women's Breast Cancer Awareness 5K

Sun, Oct 18 · Bridgeport, CT Bridgeport

Open Closing Soon

Register →

Gregory Burnett, Sr. Memorial 5K & Fun Run

Sun, Oct 18 · Norwalk, CT Norwalk

Virtual Virtual Legacy MileLegacy Mile / Family Fun RunVirtual 5K +1

From $15 Open Closing Soon

Register →

34th Annual Halloween 5K and Kids Fun Run

Sun, Oct 18 · Brookfield, CT Brookfield

Road Halloween Kids Fun Run (0.23 miles)34th Annual Halloween 5K

From $5 Open Closing Soon

Register →

Run for Music

Sun, Oct 18 · Ledyard, CT Ledyard

Road 5K Run

From $35 Open Closing Soon

Register →

Bristol Mum-A-Thon Road Race 2026

Sun, Oct 18 · Bristol, CT Bristol

Road Monster Mile5K Road Race - Individual8K Road Race +1

From $15 Open Closing Soon

Register →

The Salisbury Beast 5K

Sun, Oct 18 · Salisbury, CT Salisbury

Road Salisbury Beast 5K

From $45 Open Closing Soon

Register →

HSS Greenwich Half Marathon

Sun, Oct 18 · Old Greenwich, CT Old Greenwich

Road Half Marathon

From $70 Open Closing Soon

Register →

The Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and The Iris Fund 5K

Sun, Oct 18 · Ridgefield, CT Ridgefield

Road The Iris Fund 5KThe Iris Fund Team Only-5KThe Iris Fund Team Only - 7-Miler +3

From $23.5 Open Closing Soon

Register →

Los Runners Dia de Los Muertos 5K

Sat, Oct 24 · Norwalk, CT Norwalk

Road 5K Run1 Mile Walk

From $23 Open Closing Soon

Register →

Andover Norton Commission Trick or Trot 5K Run/Walk and Kids 1 K Fun Run

Sat, Oct 24 · Andover, CT Andover

Road Andover Norton Commission Trick or Trot Kids 1K Fun RunAndover Norton Commission Trick or Trot 5K Run/Walk

From $7.5 Open

Register →

Easterseals Freedom Stride

Sat, Oct 24 · Hartford, CT Hartford

Virtual WalkVirtual Walk

From $25 Open Closing Soon

Register →

Woodbridge 5k

Sat, Oct 24 · Woodbridge, CT Woodbridge

Road 5k Road Race

From $30 Open

Register →

Roxbury Road Race Series #32

Sat, Oct 24 · Roxbury, CT Roxbury

Road 7.9 Miles

From $10 Open

Register →

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

Sat, Oct 24 · New Haven, CT New Haven

Road Sickle Cell Disease Association of America, CT/ 5K 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

Register →

Cromwell Riverport 5k

Sat, Oct 24 · Cromwell, CT Cromwell

Road Cromwell Riverport 5k

From $25 Open

Register →

Family Fun Halloween 5k

Sun, Oct 25 · Wilton, CT Wilton

Road Family Fun Halloween 5k

From $27 Open Closing Soon

Register →

5K for Ballet!

Sun, Oct 25 · East Hampton, CT East Hampton

Road 2 mile Walk5K for Ballet

From $25 Open

Register →

HKYFS Pumpkin Run 5K, 2M & Kids Run

Sun, Oct 25 · Higganum, CT Higganum

Road 1/4 mile Kids Fun Run1/2 Mile Kids Fun Run2M Walk (Not Timed) +2

From $20 Open Closing Soon

Register →

Masquerade 5K

Sun, Oct 25 · Marlborough, CT Marlborough

Road Marlborough Masquerade 5k

From $25 Open

Register →

Crosby Sports Hall of Fame Fall into Fall 4k

Sun, Oct 25 · Waterbury, CT Waterbury

Road Fall into Fall 4k Run/Walk

From $20 Open Closing Soon

Register →

Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll

Sun, Oct 25 · WESTON, CT WESTON

Road Reservoir Run - Kids Fun Runs & Family Stroll (all ages)Reservoir Run 5KReservoir Run Races Half Marathon

From $15 Open Closing Soon

Register →

King Cares Annual 5K

Sun, Oct 25 · Stamford, CT Stamford

Road King Cares Annual 5K

From $30 Open

Register →

Connecticut Law Enforcement Officers Memorial Run

Sun, Oct 25 · Middletown, CT Middletown

Road 2026 CT LEO Memorial Run

From $25 Open Closing Soon

Register →

Markham Aviation Run The Runway 5K & Kids Fun Run

Sun, Oct 25 · Meriden, CT Meriden

Virtual 5KVirtual 5KKids Fun Run

From $0 Open Closing Soon

Register →