Altitude Elementary Moose Mudder

The 2025 Altitude Elementary Moose Mudder is a community-focused running event taking place in Aurora, Colorado. It features a 1K fun walk/run and a timed 5K race, along with an optional muddy obstacle course for participants seeking an extra challenge. This event encourages all community members to join, whether to compete, walk with friends, or cheer on participants. The first 300 registrants will receive a T-shirt and moose antlers. The Moose Mudder is set to occur rain or shine, and while efforts will be made to hold the event, no refunds will be issued in case of cancellation due to weather. Visit the organization's website for the most recent information.