All-Out Spring Fever

All-Out Multicourse hosts the Spring Fever event at Jefferson County's NAAC Stadium in Colorado, featuring races set against the scenic backdrop of Table Mountain and the foothills. The courses follow the Ralston Creek Trail around Arvada's Blunn Reservoir, offering a challenge for both beginners and experienced athletes. The event is part of the venue's annual offerings, alongside the Kooky-Spooky event in October.