5K Races in Connecticut — 2026

There are 150 5K races in Connecticut scheduled for 2026. The next is the Riverfront Hartford 4 Mile in Hartford on July 23. Connecticut 5K races run primarily July through May.

Riverfront Hartford 4 Mile

Thu, Jul 23 · Hartford, CT Hartford

4 Mile

Closed

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Valley of Hartford 5K Road Race

Sat, Jul 25 · Newington, CT Newington

Valley of Hartford 5K Road Race

From $30 Open Closing Soon

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Southwest Cafe Margarita 5K

Sat, Jul 25 · Ridgefield, CT Ridgefield

Southwest Cafe Margarita 5k

From $35 Open Closing Soon

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LYSB Midsummer Run

Sat, Jul 25 · Old Lyme, CT Old Lyme

Kids K5K Run5K Walk

From $10 Open Closing Soon

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Woodmont 5K

Sat, Jul 25 · Milford, CT Milford

5K Run

From $30 Open Closing Soon

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Surfin' Santa's Christmas In July 5k & Holiday Stroll

Sun, Jul 26 · Stratford, CT Stratford

Surfin' Santa's Christmas In July Holiday One Mile StrollSurfin' Santa's Christmas In July 5k

From $30 Open Closing Soon

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The Trumbull Rotary Sunset 5k Run & Walk

Fri, Jul 31 · Trumbull, CT Trumbull

Trumbull Sunset Untimed Walk onlyTrumbull Sunset 5K Run & Walk 18 & UNDER onlyTrumbull Sunset 5K VETERANS ONLY DIVISION +1

From $0 Open Closing Soon

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It's All Downhill From Here 5K

Sat, Aug 1 · Wilton, CT Wilton

5K Run

From $30 Open Closing Soon

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CT Hospice Miles for Memories

Sat, Aug 1 · Branford, CT Branford

1 Mile Walk2 Mile Walk

From $30 Open Closing Soon

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Boys & Girls Club of Milford Ice Cream Run (5K)

Sun, Aug 2 · Milford, CT Milford

5K

From $30 Open Closing Soon

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Griswold I scream, you scream, there won’t be any ice cream 1 miler

Sun, Aug 2 · Griswold, CT Griswold

Griswold Wave 1Griswold Wave 2

From $25 Open Closing Soon 30 spots left

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Woofbridge 5k Run/2 Mile Walk

Sat, Aug 8 · Woodbridge, CT Woodbridge

Woofbridge 5k Run/2 Mile Walk

From $30 Open

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2026 Natchaug 5K Color Run & Walk

Sat, Aug 8 · Mansfield Center, CT Mansfield Center

5K Fun Walk (Not timed)17 and Under5K Run

From $15 Open

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The Perogie Dash

Sat, Aug 8 · Danbury, CT Danbury

1K Kids Fun Run5K Run and Health Walk

From $25 Open Closing Soon

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Follow Natural Fitness Women's Health 5K

Sat, Aug 8 · Bridgeport, CT Bridgeport

FNF Run for Women's Health UNTIMED 1 MileFNF Run for Women's Health 5K

From $25 Open

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Run the Vineyards - Priam Vineyards 5K

Sun, Aug 9 · Colchester, CT Colchester

5K

From $42 Open

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Run for Wishes 5K Benefitting MAKE-A-WISH® CONNECTICUT

Sun, Aug 9 · Stratford, CT Stratford

STAR 99.9 Surfside Hotel Run for Wishes 5K (21 & over)STAR 99.9 Surfside Hotel Run for Wishes 5K (20 & under)

From $25 Open Closing Soon

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Jill's Race for MS

Sat, Aug 15 · Beacon Falls, CT Beacon Falls

5k Run/Walk5k Run/Walk Under 16

From $10 Open

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2nd Annual Rocky Hill 2M Run & Kids Run

Sat, Aug 15 · Rocky Hill, CT Rocky Hill

Kids Fun Run2M Trail Run

From $5 Open Closing Soon

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Run for Unity

Sat, Aug 15 · New London, CT New London

Run for Unity

From $35 Open

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Roxbury Road Race Series #22

Sat, Aug 15 · Roxbury, CT Roxbury

4.2 Miles

From $10 Open

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MAD 5K

Sat, Aug 15 · New London, CT New London

MAD 5K

From $35 Open

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Mohegan Striders 4-Miler at Sneekers

Sun, Aug 16 · Groton, CT Groton

4 Mile Race

From $20 Open

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Battle of Stonington 5K

Tue, Aug 18 · Stonington, CT Stonington

5K: Walk or Run

From $32 Open Closing Soon

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Amber Room Run from the Sun 5K

Thu, Aug 20 · Danbury, CT Danbury

Virtual 5K5K

From $45 Open

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PATH TO THE PARADE 5K

Fri, Aug 21 · Hamden, CT Hamden

Path to the Parade 5k Virtual RacePath to the Parade 5k WALKPath to the Parade 5k

From $35 Open Closing Soon

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17th Annual Saybrook Point 5k Road Race

Sat, Aug 22 · Old Saybrook, CT Old Saybrook

Saybrook Point 5K

From $30 Open

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Shore 2 The Pour Beach Run 2026

Sat, Aug 22 · Stratford, CT Stratford

Shore 2 the Pour Beach RunFree Kids Fun Run

From $0 Open

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The Bridgeport Mile: Track Style

Sat, Aug 22 · Bridgeport, CT Bridgeport

10-12 min mile6-6.59 min mile9-9.59 min mile +5

From $25 Open 100 spots left

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Riverfront East Hartford 5 Mile

Thu, Aug 27 · East Hartford, CT East Hartford

5 Mile

Closed

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2026 Killingworth Road Race 4 Miles

Sat, Aug 29 · Killingworth, CT Killingworth

4M run

From $25 Open Closing Soon

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Lobster Loop 5K

Sun, Aug 30 · Canton, CT Canton

5K Road Race

From $30 Open

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Roxbury Road Race Series #25

Sat, Sep 5 · Roxbury, CT Roxbury

Roxbury Mile II

From $10 Open

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Black Hog Brewing Co. 5K Road Race

Sat, Sep 5 · Oxford, CT Oxford

5K

From $30 Open

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Haddam Neck Fair 5K

Sun, Sep 6 · Haddam, CT Haddam

Haddam Neck Fair 5K

From $18 Open

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3rd Annual LSC Soccer Stride

Sun, Sep 6 · Ledyard, CT Ledyard

5k1/4 Mile Kids Fun Run

From $10 Open

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Kailey Jaie Prenoveau Scholarship 5K Run

Sat, Sep 12 · Harwinton, CT Harwinton

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

From $20 Open

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Riva Runs The Boardwalk 5k

Sat, Sep 12 · West Haven, CT West Haven

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

From $25 Open Closing Soon

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Groton City Brew Run

Sat, Sep 12 · Groton, CT Groton

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

Kids RunRun 4 Hunger and Health

From $5 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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PTSMC Stride to Provide 5K Run/Walk

Sun, Sep 13 · Wallingford, CT Wallingford

Stride to Provide 5K

From $36.79 Open

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

Sun, Sep 13 · Kent, CT Kent

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

From $25 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

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

From $30 Open

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4 Town 5k

Sat, Sep 19 · Somers, CT Somers

4 Town 5k

From $35 Open

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Bozrah Fire Department 5k Road Race and Kids' fun run

Sat, Sep 19 · Bozrah, CT Bozrah

Bozrah FD 5k

From $30 Closed

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Laps For Life 5k

Sat, Sep 19 · Middletown, CT Middletown

Laps For Life 5k

From $35 Open

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OUTRUN ADDICTION 5K

Sat, Sep 19 · Enfield, CT Enfield

2 Mile Walk5K Run or WalkVirtual 5K Run/Walk

From $25 Open

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Roxbury Road Race Series #27

Sat, Sep 19 · Roxbury, CT Roxbury

4.3 Miles

From $10 Open

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2nd Annual PCS Harvest Hustle 5K & Kids Run

Sat, Sep 19 · Pomfret Center, CT Pomfret Center

Kids Fun Run5K

From $10 Open

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