In 32 days · Sun, Nov 1, 2026
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Sunday, November 1st, 2026
19500 W 64th Pkwy, Golden CO
Half · 10K · 5K
31–55°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
26–63°F
dry
2024
29–57°F
dry
2023
27–52°F
dry
2022
39–66°F
dry
2021
31–43°F
dry
2020
30–60°F
dry
2019
15–29°F
dry
2018
27–45°F
dry
2017
35–67°F
dry
2016
40–66°F
dry
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About this race
Race Overview
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.
Race Details
- Date: 2026-11-01
- Location: 19500 W 64th Pkwy, Golden, CO
- Website: All-Out Kooky-Spooky Race
Course Information
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!
Costume Contest
- Halloween Spirit: Of course, we’ll still be celebrating the Halloween spirit.
- Costume Contest: Re-use your Halloween costume for our official costume contest.
Daylight Savings Time
Especially revel in the extra hour of sleep you get as Nov. 1 is the end of daylight savings time!
Course map
Train with a club
Run clubs near Golden to train with before race day.
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