All-Out Kooky-Spooky 1M, 5K, 10K and Half Marathon

The Kooky-Spooky event by All-Out Multicourse takes place at Jefferson County's NAAC Stadium, set against Colorado's foothills. Participants can enjoy courses that run along Arvada's Blunn Reservoir via the Ralston Creek Trail. This event is suitable for both beginners and experienced athletes. Additionally, there is a Halloween costume contest for participants, and the event coincides with the end of daylight savings time, allowing for an extra hour of rest.