From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 12th annual Kooky-Spooky from Jefferson County's NAAC Stadium… easily accessible from nearby highways. Along with its Endless Series sidekick in March Spring Fever, 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. Just two days before Halloween… Kooky or Spooky costumes welcome!