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American Heroes Run

Longmont, United States • 11-12 Sep 2026

Event overview

The American Heroes Run takes place September 11-12, 2026 in Longmont, Colorado, at 220 Hover Street. The event commemorates the September 11, 2001 attacks. The course is a flat, fast 1.05-mile loop.

Race options

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

Cutoffs and format

The 100-mile event has a 30-hour cutoff. The 24-hour race runs for a 24-hour period. The six-hour event allows flexible start and finish within the multi-day race window.

Amenities and awards

Participants receive a race shirt, a special AHR dogtag, and other race items. Finishers receive a unique event coin and a finisher award; 100-mile finishers receive a belt buckle. A fully stocked aid station is located near the start/finish and bathrooms are nearby. Overnight races offer custom-ordered hot food items (examples listed include quesadillas - vegan and non-vegan, potatoes, mashed potatoes, and ramen). Virtual participants receive a shirt, certificate, and awards; overseas shipping is extra. Visit the organization's website for the most recent information.

United States Colorado Longmont

Race information

Registration Facebook
24 hr
24 Hrs
100 mi
100 Miler
6 hr
6 Hour Open Start
26 mi
Marathon
13 mi
1/2 Marathon
9 mi
9.11 Miler
5 km
9 Hrs & 11 Min
Virtual - Any Distance
Visit the organization's website for the most recent information.
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