Running Race Calendar in Connecticut, United States

The 39th Bigelow Tea Community Challenge

Southport, Connecticut, United States

27 Sep, 2026 (Sun)

$15.00 - $38.00

Running, Walking

5K 3K 1.6K

Greenwich Half Marathon

Old Greenwich, Connecticut, United States

27 Sep, 2026 (Sun)

$75.00

Running

Half-Marathon

4th Annual Beach to Beach 5k

Morris, Connecticut, United States

27 Sep, 2026 (Sun)

$30.00

Running

5K

Run/Walk To Save a Life 5K

Hamden, Connecticut, United States

27 Sep, 2026 (Sun)

$35.00

Running

5K

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

Moosup, Connecticut, United States

27 Sep, 2026 (Sun)

$49.00

Running

5K 10K

Bosco Fowler Memorial 5K Road Race

Stafford Springs, Connecticut, United States

27 Sep, 2026 (Sun)

$20.00 - $35.00

Running

5K Kids' Fun Run

Lisbon Fall Festival Road Race

Lisbon, Connecticut, United States

27 Sep, 2026 (Sun)

$25.00

Running

5K

IronHike Mohawk Mountain Fall 2026

Cornwall, Connecticut, United States

01 Oct, 2026 (Thu) – 04 Oct, 2026

$145.00 - $4,485.00

Trail running, Running

Ultra 46.7K 24.1K 46.3K +13

Pounding the Pavement for Pink Races

Seymour, Connecticut, United States

02 Oct, 2026 (Fri) – 04 Oct, 2026

$10.00 - $25.00

Running

1.6K 5K

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

Cornwall, Connecticut, United States

03 Oct, 2026 (Sat) – 04 Oct, 2026

Free

Running

24.1K

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

Cornwall, Connecticut, United States

03 Oct, 2026 (Sat) – 04 Oct, 2026

Free

Running

24.1K

5th Annual Purple Light Project 5K

Hartford, Connecticut, United States

03 Oct, 2026 (Sat)

Free - $40.00

Running

5K 1.6K