Trail running Race Calendar in United States

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

Cornwall, Connecticut, United States

04 Jun, 2026 (Thu) – 07 Jun, 2026

Trail running

Ultra

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

04 Jun, 2026 (Thu) – 07 Jun, 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

04 Jun, 2026 (Thu) – 07 Jun, 2026

Trail running

Ultra

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

04 Jun, 2026 (Thu) – 07 Jun, 2026

Trail running

Ultra

IronHike Mohawk Mountain Spring 2026

Cornwall, Connecticut, United States

04 Jun, 2026 (Thu) – 07 Jun, 2026

Trail running, Running

Ultra 46.7K 24.1K 46.3K +13

MoMoFo 100k and 20 mile Fun Run with Virtual Options

Martinsville, Indiana, United States

05 Jun, 2026 (Fri) – 06 Jun, 2026

$35.00 - $195.00

Trail running, Running

Ultra 32.2K +2

Coulee Trail Classic

Washburn, North Dakota, United States

05 Jun, 2026 (Fri)

$10.00 - $25.00

Trail running, Running

6.4K 2.4K

Scout Mountain Ultras

Pocatello, Idaho, United States

05 Jun, 2026 (Fri) – 06 Jun, 2026

Trail running

Ultra 37K +12

Iron Hike - Spring Denali Ultra Trail Marathon - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Cornwall, Connecticut, United States

05 Jun, 2026 (Fri) – 07 Jun, 2026

Trail running

Ultra

11th Annual Flanders Field & Forest 5K Trail Run/Walk

Woodbury, Connecticut, United States

05 Jun, 2026 (Fri)

$30.00

Trail running

5K

Iron Hike - Spring Denali Ultra Trail Marathon Relay - 43+ Miles | 20,825' Elevation | 48-Hour | Run, Hike or Walk

Cornwall, Connecticut, United States

05 Jun, 2026 (Fri) – 07 Jun, 2026

Trail running

Ultra

Cottonmouth 8 Mile & Beerlay

Greenville, South Carolina, United States

06 Jun, 2026 (Sat)

$29.00

Trail running

12.9K