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American Heroes Run

Longmont, United States • 11-12 Sep 2026

American Heroes Run : Longmont, Colorado

American Heroes Run is a multi-event running weekend held September 11 and 12, 2026 in Longmont, Colorado at 220 Hover Street. The event commemorates the events of 9/11/01 and is presented as a day of remembrance and patriotism. Races are held on a flat, fast 1.05 mile loop course that returns to the start area.

Distances and event formats include:

  • 100 mile
  • 24 hour
  • Marathon
  • 9 hour 11 minute
  • Virtual any distance
  • 6 hour open start
  • Half marathon
  • 9.11 mile
  • 5K

The 100 mile race carries a 30 hour cutoff. A fully stocked aid station is located near the start and finish, and bathrooms are nearby. For overnight events, runners may order hot food items that are prepared and waiting on course between laps; available items listed include quesadillas with vegan and non-vegan options, potatoes, mashed potatoes, and ramen. All participants receive a race shirt and an AHR dogtag; finishers receive a unique event coin and finisher award, and 100 mile finishers receive a belt buckle. Virtual participants receive a shirt, certificate, and awards; overseas shipping incurs an extra charge. Registration closes on September 12 at 11:59 PM Mountain Time. Visit the organization's website for the most recent information.

United States Colorado Longmont

Race information

Registration Facebook
100 mi
100 Miler
551 min
9 Hrs & 11 Min
Marathon
Marathon
Half Marathon
1/2 Marathon
9 mi
9.11 Miler
5 km
24 Hrs
6 Hour Open Start
Visit the organization's website for the most recent information.
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