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

May

31

Run the Vineyards - Jonathan Edwards 5K

North Stonington, Connecticut, United States

Running

5K

May

31

Glastonbury Education Foundation 5K Run/Walk (GEF5K)

Glastonbury, Connecticut, United States

Running

5K

May

30

Spring Street Mile & 5K Presented by PTSMC

Manchester, Connecticut, United States

Running

1.6K 5K

May

30

The River Run 5K and Kids Fun Run

Old Saybrook, Connecticut, United States

Running

5K 1.6K

May

25

Woodstock Memorial Day 5K & 10K

Woodstock, Connecticut, United States

Running

10K 5K

May

25

Oh Boy 5K

Waterbury, Connecticut, United States

Running

5K

May

25

Jim Fixx Memorial Day Run

Greenwich, Connecticut, United States

Running

5K 0.8K

May

24

America's 250 Celebration Color Run 5K

Ledyard, Connecticut, United States

Running

5K

May

23

Memorial Day 5K Virtual Run - New Haven

New Haven, Connecticut, United States

Running

5K

May

23

Memorial Day 5K Virtual Run - Hartford

Hartford, Connecticut, United States

Running

5K

May

23

Memorial Day 5K Virtual Run - Waterbury

Waterbury, Connecticut, United States

Running

5K

May

23

Dustin L. Doyon Memorial Road Race

Suffield, Connecticut, United States

Running

5K 10K