Race Calendar

50 Miles for 50 Years of Safety

San Francisco, California, United States

Oct 1, 2026 (Thu) – Oct 31, 2026

$30.00

Running

Ultra

Star of Texas 100

Shreveport, Louisiana, United States

Oct 1, 2026 (Thu) – Dec 25, 2026

$75.00

Running

Ultra

6th Annual Women in Stem Walkathon

Atlanta, Georgia, United States

Oct 1, 2026 (Thu) – Oct 31, 2026

$25.00 - $55.00

Running

1.6K +1

BOO! Brain Cancer 5K and Bike Challenge

Anywhere, United States

Oct 1, 2026 (Thu) – Oct 31, 2026

$30.00 - $40.00

Running

5K 40.2K Ultra +2

Monster Halloween 50 Mile Challenge (Oct 2026)

Anywhere, United States

Oct 1, 2026 (Thu) – Oct 31, 2026

$34.00

Running

Ultra

Race for Rescue

Honolulu, Hawaii, United States

Oct 1, 2026 (Thu) – Oct 31, 2026

$40.00

Running

5K

Milton Union 1 and 2 Miler

West Milton, Ohio, United States

Oct 1, 2026 (Thu)

IronHike Mohawk Mountain Fall 2026

Cornwall, Connecticut, United States

Oct 1, 2026 (Thu) – Oct 4, 2026

$145.00 - $4,485.00

Trail running, Running

Ultra 46.7K 24.1K 46.3K +13

Iron Hike - Fall 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

Oct 1, 2026 (Thu) – Oct 4, 2026

Free

Trail running

Ultra

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

Cornwall, Connecticut, United States

Oct 1, 2026 (Thu) – Oct 4, 2026

Free

Trail running

Ultra

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

Cornwall, Connecticut, United States

Oct 1, 2026 (Thu) – Oct 4, 2026

Free

Trail running

Ultra

Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Full (Backyard Ultra Format) - 100+ Miles | 50,400' Elevation | 84-Hour | Run, Hike or Walk

Cornwall, Connecticut, United States

Oct 1, 2026 (Thu) – Oct 4, 2026

Free

Trail running

Ultra