All-Out Spring Fever

The All-Out Spring Fever is a vibrant running event taking place in Golden, Colorado, on March 23, 2025. This annual race features multiple distances, including a Half Marathon, 10K, and 5K, as well as virtual options for participants who prefer to run remotely. The event celebrates the arrival of spring and supports the National Kidney Foundation.

Runners will enjoy scenic courses that meander along the picturesque shores of Arvada's Blunn Reservoir via the Ralston Creek Trail, making it suitable for both novice and experienced athletes. Participants can also benefit from various registration discounts. Visit the organization's website for the most recent information.