5K Races in Connecticut
Find upcoming 5k races in Connecticut — with dates, locations, and direct registration links.
105 upcoming 5k races found in Connecticut
Upcoming 5K Races in Connecticut
Flanders Field & Forest 5K Run/Walk
11th Annual Flanders Field & Forest 5K Trail Run/Walk
Jun 5, 2026
Woodbury, CT
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Hamden Fest Half MarathonHamden Fest 5K
Hamden Fest Half Marathon & 5k
Jun 6, 2026
Hamden, CT
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Half Marathon10K
UConn Health Half Marathon
Jun 6, 2026
Simsbury, CT
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5KKids Fun Run
SongStrong 5K
Jun 6, 2026
Guilford, CT
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America 250 Greenwich 5K RunAmerica 250 Greenwich 1 Mile Run
America’s 250th – Greenwich Community 5K & 1 Mile Fun Run
Jun 6, 2026
Greenwich, CT
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Run the Race 5K
Run the Race 5K
Jun 6, 2026
Danbury, CT
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2026 Heart of Eastford 5k
Heart of Eastford 5K
Jun 6, 2026
Eastford, CT
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Half Marathon5K
Athletic Brewing Company Fairfield Road Races
Jun 6, 2026
Fairfield, CT
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Half Marathon5K
Shipyard Old Port Half Marathon & 5k
Jun 6, 2026
Portland, CT
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Kids' K5K
Celebrate! West Hartford FUNd RUNS
Jun 7, 2026
West Hartford, CT
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O'Neill's 5KO'Neill's Virtual 5K
O'Neill's 5K
Jun 7, 2026
Norwalk, CT
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Hat City Dash 5K
Hat City Dash
Jun 7, 2026
Danbury, CT
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5K3K
The 25th Annual Laura's Garden/Keane Foundation Wethersfield Community Run
Jun 7, 2026
Wethersfield, CT
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5K3K
The 25th Annual Laura's Garden Community Run
Jun 7, 2026
Wethersfield, CT
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Marathon5K
Half Marathon - Individual Age group/open
Jun 8, 2026
Simsbury, CT
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10KHalf marathon
Marathon - Individual Age group/open
Jun 8, 2026
Simsbury, CT
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5KHalf marathon
10K - Individual Age group/open
Jun 8, 2026
Simsbury, CT
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5K Run Timed1 Mile Walk Untimed
6th Annual A. W. Stanley Park 5K
Jun 13, 2026
New Britain, CT
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5K (In Person) RACE START 8:20 AM10K (In Person) RACE START 8:20 AM
52nd Annual Rooster Run
Jun 13, 2026
Newtown, CT
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Miles for Mental Health 5KMiles for Mental Health Family Hike
Miles for Mental Health 5K and Family Hike
Jun 14, 2026
Wallingford, CT
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Miles for Mental Health 5KMiles for Mental Health Family Hike
KS4MH Miles for Mental Health 5K and Family Hike
Jun 14, 2026
Wallingford, CT
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Devil Dash 5kLittle Devil Dash - 1/2 Mile "Kids Run"
Devil Dash 5k
Jun 14, 2026
Stratford, CT
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5K10K
L+M Summer Stride 5K & 10K
Jun 14, 2026
New London, CT
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Milford Rotary Run in the Park 5K - at Eisenhower Park, Milford, CT
Milford Rotary Run in the Park 5K
Jun 14, 2026
Milford, CT
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Run for the Rock 5K Run or Walk ages 19 & overRun for the Rock 5K Run or Walk ages 18 & under ONLY
Run For The Rock
Jun 14, 2026
Bridgeport, CT
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5K Run/Walk
4th Annual Bloomfield Juneteenth 5K
Jun 20, 2026
Bloomfield, CT
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5K
Riverfront Hartford 5K
Jun 25, 2026
Hartford, CT
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1K Mini Mile2.5k
CT Open Water Championship
Jun 27, 2026
Middlebury, CT
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5K Runner or Walker 19 & over5K Runner or Walker 18 & under
11th Annual Milford Moves for Veterans 5K
Jun 28, 2026
Milford, CT
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5K
Milford Road Runners Independence Day 5K
Jul 4, 2026
Milford, CT
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