Altitude Elementary Moose Mudder – Aurora, CO 2026

Please join us for the Annual Moose Mudder! This is a community event that will consist of an untimed 1k fun walk/run and a timed 5k followed by an optional muddy obstacle course. Get your best time, run for fun, walk with a group, form a stroller brigade, or line the streets to cheer everyone on--Come one, come all as we gather and play as a community on Sunday, May 4th! This event is a rain or shine event. All efforts will be made to put the race on, but if weather does cause a cancellation, there are no refunds. T-Shirt and Antlers are Guaranteed to the first 300 signups ! Must be present on race day to receive the T-Shirt and Antlers.