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

Oh Boy 5K

Waterbury, Connecticut, United States

25 May, 2026 (Mon)

Running

5K

America's 250 Celebration Color Run 5K

Ledyard, Connecticut, United States

24 May, 2026 (Sun)

Running

5K

Marlborough Lions Club Round The Lake 5K

Marlborough, Connecticut, United States

24 May, 2026 (Sun)

Running

5K

5K Walk/Jog/Run for Jon

Woodbury, Connecticut, United States

23 May, 2026 (Sat)

Running

5K

North Stonington Education Foundation 5k and 2 Mile Walk

North Stonington, Connecticut, United States

23 May, 2026 (Sat)

Running, Walking

5K 1.6K 3.2K

Memorial Day 5K Virtual Run - Waterbury

Waterbury, Connecticut, United States

23 May, 2026 (Sat) – 25 May, 2026

Running

5K

Memorial Day 5K Virtual Run - Stamford

Stamford, Connecticut, United States

23 May, 2026 (Sat) – 25 May, 2026

Running

5K

Dustin L. Doyon Memorial Road Race

Suffield, Connecticut, United States

23 May, 2026 (Sat)

Running

5K 10K

Memorial Day 5K Virtual Run - New Haven

New Haven, Connecticut, United States

23 May, 2026 (Sat) – 25 May, 2026

Running

5K

Memorial Day 5K Virtual Run - Hartford

Hartford, Connecticut, United States

23 May, 2026 (Sat) – 25 May, 2026

Running

5K

32nd Annual | Weston Memorial Day Weekend 5K & Kids Fun Run

Weston, Connecticut, United States

23 May, 2026 (Sat)

Running

5K 1.6K

Memorial Day 5K Virtual Run - Bridgeport

Bridgeport, Connecticut, United States

23 May, 2026 (Sat) – 25 May, 2026

Running

5K