5K Races in Connecticut

Find upcoming 5k races in Connecticut — with dates, locations, and direct registration links.

148 upcoming 5k races found in Connecticut

Upcoming 5K Races in Connecticut

5k Run/Walk+1

Aug 15

Jill's Race for MS

Sat, August 15, 2026

Beacon Falls, CT

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MAD 5K

Aug 15

MAD 5K

Sat, August 15, 2026

New London, CT

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5K: Walk or Run+1

Aug 18

Battle of Stonington 5K

Tue, August 18, 2026

Stonington, CT

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5K+1

Aug 20

Amber Room Run from the Sun 5K

Thu, August 20, 2026

Danbury, CT

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Path to the Parade 5k+2

Aug 21

PATH TO THE PARADE 5K

Fri, August 21, 2026

Hamden, CT

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Saybrook Point 5K

Aug 22

17th Annual Saybrook Point 5k Road Race 2026

Sat, August 22, 2026

Old Saybrook, CT

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Unite to Fight 5K+2

Aug 23

2026 Unite to Fight 5K Run/Walk

Sun, August 23, 2026

Stamford, CT

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Old Wethersfield 10K+1

Aug 23

Old Wethersfield 5K & 10K

Sun, August 23, 2026

Wethersfield, CT

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Sgt Scoular's Overdose Awareness and Recovery 5K Run

Aug 29

Sgt Scoulars Overdose Awareness and Recovery 5K Run

Sat, August 29, 2026

New Milford, CT

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Kid Fun Run 1K - LIVE IN PERSON+5

Aug 30

Be Happy Road Race

Sun, August 30, 2026

Ellington, CT

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Kids Run+3

Aug 30

1st Annual Newtown Community Running Event

Sun, August 30, 2026

Newtown, CT

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5K Road Race

Aug 30

Lobster Loop 5K

Sun, August 30, 2026

Canton, CT

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Get Ready to RUN! 5K Training Program (includes full club membership through 12/31/2026!)

Sep 5

Get Ready to Run! 5K Training Program (Fall Session) - presented by Hartford Healthcare

Sat, September 5, 2026

Glastonbury, CT

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52nd Annual Sao Paio 5k road race/walk and fun run

Sep 5

50th Annual Sao Paio 5k road race/walk and fun run

Sat, September 5, 2026

Naugatuck, CT

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5K

Sep 5

Black Hog Brewing Co. 5K Road Race

Sat, September 5, 2026

Oxford, CT

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5k+1

Sep 6

3rd Annual LSC Soccer Stride

Sun, September 6, 2026

Ledyard, CT

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Haddam Neck Fair 5K

Sep 6

Haddam Neck Fair 5K

Sun, September 6, 2026

Haddam, CT

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Half Marathon+6

Sep 7

Faxon Law New Haven Road Race

Mon, September 7, 2026

New Haven, CT

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5k Run+1

Sep 12

Kailey Jaie Prenoveau Scholarship 5K Run

Sat, September 12, 2026

Harwinton, CT

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2026 Suffield Parks & Recreation 10k Road Race+3

Sep 12

SUFFIELD PARKS & RECREATION ROAD RACE

Sat, September 12, 2026

Suffield, CT

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Riva Runs The Boardwalk 5k+2

Sep 12

Riva Runs The Boardwalk 5k

Sat, September 12, 2026

West Haven, CT

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Greenleaf 5K River Run for the Fund

Sep 12

Greenleaf 5K River Run for the Fund

Sat, September 12, 2026

New London, CT

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4 Town 5k

Sep 12

4 Town 5k

Sat, September 12, 2026

Somers, CT

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5K ONLY: Run or Walk+3

Sep 12

Groton City Brew Run

Sat, September 12, 2026

Groton, CT

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Stride to Provide 5K

Sep 13

PTSMC Stride to Provide 5K Run/Walk

Sun, September 13, 2026

Wallingford, CT

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5K+3

Sep 13

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

Sun, September 13, 2026

Oakdale, CT

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Half Way to St Pats 5K 21 & over+2

Sep 13

HALF WAY TO ST. PATS DAY 5K

Sun, September 13, 2026

Stratford, CT

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

Sep 13

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

Sun, September 13, 2026

Kent, CT

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Half Marathon+1

Sep 13

Surftown Half Marathon, Relay & 5k

Sun, September 13, 2026

Hartford, CT

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5K Run/Walk - IN PERSON - UNTIMED+2

Sep 14

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

Mon, September 14, 2026

Stamford, CT

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