Sat, Nov 14, 2026 · 7:30 AM · Centennial, Colorado

Sunday, November 1, 2026 · 9:00 AM · Golden, Colorado
All-Out Kooky-Spooky
5K, 10K and Half Marathon in Golden, CO · $59.30-$91.10
This race has already taken place.
It was held on Sunday, November 1, 2026. We'll update this page when the organizer announces the next edition — the details below are from the 2026 race.
From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 15th annual Kooky-Spooky from Jefferson County's NAAC Stadium… easily accessible from several 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! Of course, we'll still be celebrating the Halloween spirit so re-use your Halloween costume for our official costume contest. And especially revel in the extra hour of sleep you get as Nov. 1 is the end of daylight savings time!
- Time limit
- No time limit listed by the organizer
- Walkers
- Not mentioned — ask the organizer
- Terrain
- Not stated
- Certified
- Not stated
Pulled from the organizer's own race description — per the organizer, not independently verified.
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Source
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