All-Out Runapalooza

The All-Out Runapalooza is an annual running event held in Arvada, Colorado, featuring half marathon, 10K, and 5K race distances, along with virtual options for each. Scheduled for August 2, 2025, the races start from the award-winning Apex Center and follow the scenic Ralston Creek Trail. The course offers relatively gentle terrain through shaded, creekside areas, picturesque open spaces, and charming golf course communities.

This event serves as a festive end-of-summer celebration and is part of the Run Amok Summer Series. It is also an official qualifier for the BOLDERBoulder 10K race, providing runners a chance to qualify for the 2026 event. Visit the organization's website for the most recent information.