Join us for the 15th annual Kooky-Spooky race, featuring a 5K, 10K, and half marathon. Starting from Jefferson County’s NAAC Stadium , the courses wind along the scenic Ralston Creek Trail and by Arvada’s Blunn Reservoir. Celebrate Halloween by wearing your costume for our official contest, and enjoy that extra hour of sleep as daylight saving time ends! This event is easily accessible from nearby highways, benefits the Colorado National Kidney Foundation, is part of the Endless Series with Spring Fever, and serves as an official BOLDERBoulder Qualifier!
This family- and dog-friendly event includes:
The flexibility of running or walking 5K, 10K, or half marathon distances to meet your fitness goals and so you can participate with your friends and family
A unique Halloween beanie, full-color medal, and customized bib for all distances
Chip timing and accurately measured courses
Awesome post-race meal including breakfast burrito and chocolate milk (and cider, if it’s cold)
Lots of free course and finish line photos
We are inclusive and support athletes of all abilities, including no time limit on the run/walk and accessible toilets in the venue
Save 25% by registering for all three All-Out fall events at the same time by September 13!
All-Out matches all athlete donations to the benefiting charity, the National Kidney Foundation

