Race Calendar in Connecticut, United States

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

Cornwall, Connecticut, United States

Jun 4, 2026 (Thu) – Jun 7, 2026

Trail running

Ultra

IronHike Mohawk Mountain Spring 2026

Cornwall, Connecticut, United States

Jun 4, 2026 (Thu) – Jun 7, 2026

Trail running, Running

Ultra 46.7K 24.1K 46.3K +13

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

Cornwall, Connecticut, United States

Jun 4, 2026 (Thu) – Jun 7, 2026

Trail running

Ultra

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

Cornwall, Connecticut, United States

Jun 4, 2026 (Thu) – Jun 7, 2026

Trail running

Ultra

Worthington Early Summer 5k Running Series

Somers, Connecticut, United States

Jun 3, 2026 (Wed) – Jul 1, 2026

Running

5K +1

Belltown Spring Sprint 2M Run & Walk, Kids Run

East Hampton, Connecticut, United States

Jun 2, 2026 (Tue)

Running, Walking

3.2K 0.5K

Summer Cross Country Series

New Canaan, Connecticut, United States

Jun 2, 2026 (Tue) – Sep 1, 2026

Free

Running

4.3K 4.6K 4.4K 4.8K +10

TriRidgefield Sprint Triathlon and Duathlon

Ridgefield, Connecticut, United States

May 31, 2026 (Sun)

Glastonbury Education Foundation 5K Run/Walk (GEF5K)

Glastonbury, Connecticut, United States

May 31, 2026 (Sun)

Running

5K

17th Annual Barkhamsted River Run 5K

Barkhamsted, Connecticut, United States

May 31, 2026 (Sun)

Running

1.6K 5K

Run the Vineyards - Jonathan Edwards 5K

North Stonington, Connecticut, United States

May 31, 2026 (Sun)

Running

5K

Spring Street Mile & 5K Presented by PTSMC

Manchester, Connecticut, United States

May 30, 2026 (Sat)

Running

1.6K 5K