Chase the Bloom. Feel the Buzz.
All-Out Spring Fever
Sunday, March 21, 2027 9a
Ralston Creek Trail, Golden, CO
Half Marathon
VIRTUAL Half Marathon
VIRTUAL 10K
VIRTUAL 5K
All-Out Multicourse is proud to host our 15th Annual Spring Fever, a rewarding event for both novice and experienced athletes set against the backdrop of Table Mountain and the stunning Colorado foothills. This spring celebration, featuring our mascot Buzzby, includes 5K, 10K, and half marathon courses that trace the scenic shores of Arvada's Blunn Reservoir via the Ralston Creek Trail. Conveniently accessible from nearby highways , Spring Fever is the endless series spring counterpart to Kooky-Spooky, and proudly benefits our NEW charity, People and Pollinators Action Network. And don't miss that you can use Spring Fever to qualify for your BOLDERBoulder wave!
Location
Benefiting Charity
The People and Pollinators Action Network (PPAN) is a Colorado-based non-profit dedicated to protecting pollinator populations, enhancing biodiversity, and safeguarding public health. They work at the intersection of environmental policy and grassroots action, advocating for pesticide reduction, sustainable agriculture, and habitat creation.
