5K races in Connecticut, United States — 2026 running calendar

Oct

25

5K for Ballet!

East Hampton, Connecticut, United States

$25.00

Running Walking

5K 3.2K

Oct

25

Masquerade 5K

Marlborough, Connecticut, United States

$30.00

Running

5K

Oct

25

Run The Runway 5K & Kids Fun Run

Meriden, Connecticut, United States

$40.00

Running

5K

Oct

25

Family Fun Halloween 5K

Wilton, Connecticut, United States

Running

5K

Oct

30

HVAL Invitational

Litchfield, Connecticut, United States

Free

Running

5K

Oct

30

Valley JV Championships

Avon, Connecticut, United States

Running

3K 5K

Oct

31

Cfa 5K & Children's Fun Run for Mental Health

Groton, Connecticut, United States

$45.00

Running

5K

Oct

31

Milford 5K Trick or Trot Run/Walk

Milford, Connecticut, United States

Free - $37.00

Running

5K Trick or Trot Kids Run

Oct

31

Norwalk Pal 5K Boo!

Norwalk, Connecticut, United States

$12.00 - $31.00

Running

5K Half Mile Kids Fun Run

Oct

31

Collinsville Trick or Trot

Collinsville, Connecticut, United States

$30.00

Running

5K

Oct

31

Lyman Orchards Pie Run

Middlefield, Connecticut, United States

$40.00 - $50.00

Running

5K 8K

Oct

31

Run the Sound 5K – Halloween Edition

Bridgeport, Connecticut, United States

$25.00

Running

5K