Altitude Elementary Moose Mudder

Aurora, United States • 3 May 2026

Altitude Elementary Moose Mudder

The Altitude Elementary Moose Mudder is a community sports event held in Aurora, Colorado, at 27300 E Southshore Dr. The gathering features both walking and running activities designed for community participation. Participants can choose between different formats depending on their preferences for timing and physical activity.

The event offers two primary distances:

  • 1k distance
  • 5k distance

The 1k is an untimed fun walk or run that is open to all ages. The 5k is a timed race. Following the completion of the running portions, an optional muddy obstacle course is available for participants. The event accommodates various forms of participation, including individual runners, groups of walkers, and participants with strollers.

Registration options include specific categories for students, clubs, and teachers or staff. For those who register by April 1, 2025, there is an option to purchase a t-shirt and antlers. These items are guaranteed for the first 300 signups, provided the participant is present on the day of the event. The Moose Mudder takes place regardless of rain or sun. If the event is canceled due to weather conditions, no refunds are provided. Visit the organization's website for the most recent information.

Race information

5 km
Clubs & Activities 5k
5 km
5 km
Teachers & Staff 5k
Visit the organization's website for the most recent information.
Trail runs nearby

A trail event in Highlands Ranch offering 21 mile, half marathon, 10 km and 5 km distances on mostly dirt and single-track trails. Courses are out and back, include aid stations on longer distances, and use Mountain Ridge Middle School as t..

Niwot's Challenge is an invitation only, navigation focused ultradistance trial near Sedalia, Colorado, emphasizing off trail travel, limited aid, and self reliance across options from about 24 to 100 miles.

Experience the 45th annual run along the scenic High Line Canal in Centennial. Enjoy chip timed 5K or 10K races followed by a pancake breakfast and beer garden.

A community trail event in Kittredge featuring a 7.4 mile route through private land and O'Fallon canyon trails, plus a kids run where children run one lap per year. Manual timing, staggered cohort starts, and a post-race park gathering.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.