Got a fever for a Spring run?

All-Out Spring Fever

Sunday, March 19, 2023 9a


Thank you everyone for participating! The results are live now (click on Results above), photos will be ready Wednesday, and don't forget to save $5 on future races with the coupon from your bib. for all our events

From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 11th annual Spring Fever from Jefferson County's NAAC Stadium… 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! 

Special for Spring Fever: an after-party for athletes at Colorado Tap House, with coupon for a free beer on your bib!

Jefferson County's NAAC Stadium
19500 W 64th Pkwy, Golden, CO 80403

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