American Heroes Run

SEP

11-12

2026

Join the American Heroes Run in Longmont, Colorado on September 11 and 12 to honor the victims and first responders of 2001 on a flat, fast 1.05 mile loop. Choose distances from 5K to 100 mile with timed and virtual options plus shirts and unique finisher awards.

11-12 Sep 2026

Longmont, Colorado

Registration Facebook

24 hour 100 miles 6 hour 26 miles 13 miles 9 miles 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

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.

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