Running Events in Connecticut 2026-2027

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February

March

April

May

≤1 mile

10 Miles

10k

Half Marathon

Aug

15

Jill's Race for MS

Sat, Aug 15, 2026

Beacon Falls, US • Run 3.1mi - Run 3.1mi

Aug

15

2nd Annual Rocky Hill 2M Run & Kids Run

Sat, Aug 15, 2026

Rocky Hill, US • Run 0.5mi - Run 2mi

Aug

16

Mohegan Striders 4-Miler at Sneekers

Sun, Aug 16, 2026

Groton, US • Run 4mi - Run 4mi

Aug

16

Millbrook Vineyards Wine Run 5k

Sun, Aug 16, 2026

Millbrook, US • Run 1.5mi - Run 5km

Aug

18

Battle of Stonington 5K

Tue, Aug 18, 2026

Stonington, US • Run 0.25mi - Run 5km

17th Annual Saybrook Point 5k Road Race 2026

Aug

22

17th Annual Saybrook Point 5k Road Race 2026

Sat, Aug 22, 2026

Old Saybrook, US • Run 5km - Run 5km

Aug

22

Shore 2 The Pour Beach Run 2026

Sat, Aug 22, 2026

Stratford, US • Run 3mi - Run 3mi

Aug

23

Old Wethersfield 5K & 10K

Sun, Aug 23, 2026

Wethersfield, US • Run 5km - Run 10km

Raptor Ridge Presented by Peace, Love, Trails

Aug

23

Raptor Ridge Presented by Peace, Love, Trails

Sun, Aug 23, 2026

Mount Kisco, US • Run 6.5mi - Run 6.5mi

Aug

23

2026 Unite to Fight 5K Run/Walk

Sun, Aug 23, 2026

Stamford, US • Run 0.1km - Run 5km

Aug

27

Riverfront East Hartford 5 Mile

Thu, Aug 27, 2026

East Hartford, US • Run 4mi - Run 4mi

Aug

29

2026 Killingworth Road Race 4 Miles

Sat, Aug 29, 2026

Killingworth, US • Run 4mi - Run 4mi

Sep

5

Run for The Hills

Sat, Sep 5, 2026

East Lyme, US • Run 5km - Run 5km

Sep

6

Haddam Neck Fair 5K

Sun, Sep 6, 2026

East Hampton, US • Run 5km - Run 5km

Sep

7

Faxon Law New Haven Road Race

Mon, Sep 7, 2026

New Haven, US • Run 0.5mi - Run 13.1mi

Sep

12

Groton City Brew Run

Sat, Sep 12, 2026

Groton, US • Run 0.5mi - Run 5km

Kailey Jaie Prenoveau Scholarship 5K Run

Sep

12

Kailey Jaie Prenoveau Scholarship 5K Run

Sat, Sep 12, 2026

Harwinton, US • Run 3.1mi - Run 3.1mi

Sep

13

Surftown Half, 2-Person Relay & 5K

Sun, Sep 13, 2026

Westerly, US • Run 5km - Run 13.1mi

West Haven Community House 85th Anniversary Community Fun Walk

Sep

13

West Haven Community House 85th Anniversary Community Fun Walk

Sun, Sep 13, 2026

West Haven, US • Run 2mi

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

Sep

14

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

Mon, Sep 14, 2026

Stamford, US • Run 5km - Run 5km

Sep

19

Bound for the Sound

Sat, Sep 19, 2026

Old Lyme, US • Run 1mi - Run 10km

Sep

19

Arc Run

Sat, Sep 19, 2026

Meriden, US • Run 5km - Run 10km

Sep

19

OUTRUN ADDICTION 5K

Sat, Sep 19, 2026

Enfield, US • Run 2mi - Run 5km

Sep

20

Murray Lender 5K Bagel Run

Sun, Sep 20, 2026

Woodbridge, US • Run 2mi - Run 5km

17th Annual Farmington River Run 5K Trail Race

Sep

20

17th Annual Farmington River Run 5K Trail Race

Sun, Sep 20, 2026

Farmington, US • Run 5km - Run 5km

Sep

20

Cockaponsett Trails to a Cure

Sun, Sep 20, 2026

Chester, US • Run 4mi - Run 9mi

Sep

26

Hogsback Half Marathon

Sat, Sep 26, 2026

Hartland, US • Run 13.1mi - Run 13.1mi

Sep

26

The River Run

Sat, Sep 26, 2026

Simsbury, US • Run 1mi - Run 6.2mi

Come on Over 5K and 2.1 Mile Fitness Walk

Sep

26

Come on Over 5K and 2.1 Mile Fitness Walk

Sat, Sep 26, 2026

Portland, US • Run 2.1mi - Run 5km

The 39th Bigelow Tea Community Challenge

Sep

27

The 39th Bigelow Tea Community Challenge

Sun, Sep 27, 2026

Fairfield, US • Run - Run 5km

Sep

27

Run/Walk To Save a Life 5K

Sun, Sep 27, 2026

Hamden, US • Run - Run 5km

Moosup Valley 5k, 8K and 10K All Trail Race

Sep

27

Moosup Valley 5k, 8K and 10K All Trail Race

Sun, Sep 27, 2026

Sterling, US • Run - Run 10km

Sep

27

Greenwich Half Marathon

Sun, Sep 27, 2026

Greenwich, US • Run 13.1mi

Iron Hike - Fall Everest / 29029 Everesting Ultra Trail Marathon Relay - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Oct

1

Iron Hike - Fall Everest / 29029 Everesting Ultra Trail Marathon Relay - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Thu, Oct 1, 2026

Cornwall, US • Run 61mi - Run 61mi

Iron Hike - Fall Olympus Mons Ultra Trail Marathon - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Oct

1

Iron Hike - Fall Olympus Mons Ultra Trail Marathon - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Thu, Oct 1, 2026

Cornwall, US • Run 152mi - Run 152mi

Iron Hike - Fall Everest / 29029 Everesting Ultra Trail Marathon - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Oct

1

Iron Hike - Fall Everest / 29029 Everesting Ultra Trail Marathon - 61+ Miles | 29,029'+ Elevation | 72-Hour | Run, Hike or Walk

Thu, Oct 1, 2026

Cornwall, US • Run 61mi - Run 61mi

Iron Hike - Fall Olympus Mons Ultra Trail Marathon Relay - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Oct

1

Iron Hike - Fall Olympus Mons Ultra Trail Marathon Relay - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Thu, Oct 1, 2026

Cornwall, US • Run 152mi - Run 152mi

Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Full (Backyard Ultra Format) - 100+ Miles | 50,400' Elevation | 84-Hour | Run, Hike or Walk

Oct

1

Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Full (Backyard Ultra Format) - 100+ Miles | 50,400' Elevation | 84-Hour | Run, Hike or Walk

Thu, Oct 1, 2026

Cornwall, US • Run 61mi - Run 61mi

Oct

1

IronHike Mohawk Mountain Fall 2026

Thu, Oct 1, 2026

Cornwall, US • Run 15mi - Run 152.5mi

Iron Hike - Fall Denali Ultra Trail Marathon - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Oct

2

Iron Hike - Fall Denali Ultra Trail Marathon - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Fri, Oct 2, 2026

Cornwall, US • Run 43mi - Run 43mi

Iron Hike - Fall Denali Ultra Trail Marathon Relay - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Oct

2

Iron Hike - Fall Denali Ultra Trail Marathon Relay - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Fri, Oct 2, 2026

Cornwall, US • Run 43mi - Run 43mi

Oct

3

Salmon River 5.5 Mile Run

Sat, Oct 3, 2026

Colchester, US • Run 5.5mi - Run 5.5mi

Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk

Oct

3

Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk

Sat, Oct 3, 2026

Cornwall, US • Run 28mi - Run 28mi

Iron Hike - Fall Double Kuwohi Trail Marathon Plus Relay - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk

Oct

3

Iron Hike - Fall Double Kuwohi Trail Marathon Plus Relay - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or Walk

Sat, Oct 3, 2026

Cornwall, US • Run 28mi - Run 28mi

Iron Hike - Fall Kuwohi Trail Half Marathon Plus - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk

Oct

3

Iron Hike - Fall Kuwohi Trail Half Marathon Plus - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk

Sat, Oct 3, 2026

Cornwall, US • Run 15mi - Run 15mi

Iron Hike - Fall Kuwohi Trail Half Marathon Plus Relay - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk

Oct

3

Iron Hike - Fall Kuwohi Trail Half Marathon Plus Relay - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or Walk

Sat, Oct 3, 2026

Cornwall, US • Run 15mi - Run 15mi

Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ Elevation | 24-Hour | Run, Hike or Walk

Oct

3

Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ Elevation | 24-Hour | Run, Hike or Walk

Sat, Oct 3, 2026

Cornwall, US • Run 61mi - Run 61mi

Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge

Oct

4

Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge

Sun, Oct 4, 2026

Norfolk, US • Run 5km - Run 13.1mi

Showing 1 - 48 of 138 events