10K

Spring is the season of renewal and running. We hope you join us for a fun adventure that embodies the spirit of springtime at the beautiful Boyd Lake State Park! […]

Welcome to the Pioneer Prairie Dog Half Marathon event; the one that started the series! With 10k and 5k events too! Everyone is back to school and slipping into a […]

You CAN 5k. This event is for EVERY ONE. EVERY BODY. You won’t get lost. You won’t get forgotten. You’ll run a clearly marked 5k loop with multiple portojohns & […]

From the base of Table Mountain and Colorado’s spectacular foothills, All-Out Multicourse presents Kooky-Spooky from Jefferson County’s NAAC Stadium… easily accessible from several nearby highways. Along with its Endless Series sidekick […]

One of Colorado’s favorite trails meets one of its most glorious parks at our 9th annual Fallfest 5K, 10K and half marathon! As the courses wind southwest along Big Dry […]

As those summer mornings are just beginning to cool, join us for a celebration to end the season and our 11th Annual Runapalooza! From the award winning Apex Center, these […]

Get ready for some fun in the sun and a great mid-season test of your training as we bring our 11th Annual Dog Days 5K, 10K & Half Marathon! Centrally […]

From the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you our 11th annual Summer Breeze! Along with its Endless Series sidekick in January Polar […]

One of Colorado’s favorite trails meets one of its most glorious parks at our 11th annual Beat the Heat! As courses wind southwest along Big Dry Creek Trail, the remarkable […]

Desert Rats Trail Running Festival by UTMB has four unique distances, three days of racing and indescribable views of the desert. There is something for every runner. Enjoy views of […]