Logo

The Ol' College Try 24 Hour Ultra

Auraria, United States • 24-25 May 2025

The Ol' College Try 24 Hour Ultra is Denver's inaugural 24-hour ultra race, organized by Rise Again Running Events in collaboration with Tall Tales Ranch. Scheduled for May 24-25, 2025, at Auraria Campus, this event invites runners of all abilities to challenge themselves in a non-stop race, fostering camaraderie and personal achievement. Participants can choose from individual events (6, 12, or 24 hours) or relay options. A portion of the proceeds will benefit Tall Tales Ranch, supporting individuals with intellectual and developmental disabilities. All finishers receive medals, and prizes are awarded for top performances in various categories. Visit the organization's website for the most recent information.

United States Colorado Auraria

Race information

Website Registration
24 hr
24 Hour
24 hr
24 Hours - Teams of 6
12 hr
12 Hour
12 hr
12 Hours - Teams of 4
6 hr
6 Hour
6 hr
6 Hours - Teams of 3
Visit the organization's website for the most recent information.
Trail runs nearby

Niwot's Challenge

Sedalia - 21 mi from Auraria

Niwot's Challenge is a demanding ultramarathon held in Colorado's Front Range, inspired by the Barkley Marathons. This grassroots event, limited to 40 participants, emphasizes navigation skills as runners traverse mostly off-trail terrain using only a map and compass. The challenge includes various..

Mountain Ridge Trail Race

Highlands Ranch - 13 mi from Auraria

The Mountain Ridge Trail Race, held in Highlands Ranch, Colorado, offers scenic trail running options for all levels, including 5K, 10K, half marathon, and 21-mile courses. Set on the Douglas County East-West Regional Trail, the race features rolling hills, dirt and single-track trails, and manageab..

Latino Ultra Nature Adventure

Golden - 11 mi from Auraria

The 3rd Latino Ultra Nature Adventure (LUNA) is a unique trail running event scheduled for May 31, 2025, in Boulder, Colorado. This culturally relevant and inclusive event features various distances, including 5km, 7 miles, 15 miles, and a marathon. LUNA aims to promote physical and mental health th..

Reuter-Hess Trail Incline

Parker - 20 mi from Auraria

The Reuter-Hess Trail Incline is a unique running event held in Parker, Colorado, featuring a challenging 10k course and a 1-mile kids' race. The race employs a handicap start system, allowing participants of varying ages and genders to compete on an equal footing. The course includes a steep inclin..

North Fork 50 Mile

Buffalo Creek - 28 mi from Auraria

The North Fork 50 Mile and 50K ultramarathon takes place in the scenic Colorado mountains near Buffalo Creek. The course features nearly all singletrack trails, with some double track sections, traversing diverse landscapes including burn areas from a 1996 wildfire, ponderosa pines, and granite rock..

Luna

Boulder - 23 mi from Auraria

The Luna (Latino Ultra Nature Adventure) is an inclusive, culturally relevant ultra running event held in Boulder, Colorado. Now in its third year, it offers various race distances, including 5km, 7 miles, 15 miles, and a marathon, all taking place on May 31, 2025. The event emphasizes human-nature..