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.