All-out Mardi Crawl

Join us for the 10th annual All-Out Mardi Crawl, a lively Mardi Gras-themed running event organized by All-Out Multicourse Productions in Arvada, Jefferson on February 22, 2026. Participants can select from a 5K, 10K, or Half Marathon distance, starting at the renowned Apex Center and following the scenic Ralston Creek Trail through Arvada's beautiful landscapes and golf course communities. This event is not just a race but a celebration of unity and giving back, supporting the "I Have a Dream" Foundation Boulder County. Don't miss out on this unforgettable day of running, community spirit, and Mardi Gras festivities!