A Wonderfully Challenging Spring Run

All-Out Spring Fever

Sunday, March 23, 2025 9a

JeffCo NAAC, Golden, CO

From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 13th annual Spring Fever from Jefferson County's NAAC Stadium, benefiting the National Kidney Foundation! Easily accessible from several nearby highways. Spring Fever has us looking forward to spring, spring flowers and our friends the bees! Along with its Endless Series sidekick in October, Kooky-Spooky, these 5K, 10K & Half Marathon courses will hug the shores of Arvada's Blunn Reservoir via the Ralston Creek Trail and will challenge the beginner and veteran athlete alike!