In 62 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.
Event Details
- Date: 2026-11-01
- Location: 19500 W 64th Pkwy, Golden, CO
- Courses: 5K, 10K & Half Marathon
- Accessibility: Easily accessible from several nearby highways.
Route Information
These courses will hug the shores of Arvada's Blunn Reservoir via the Ralston Creek Trail and will challenge the beginner and veteran athlete alike!
Special Features
- Costume Contest: Re-use your Halloween costume for our official costume contest.
- Daylight Savings: Enjoy the extra hour of sleep as Nov. 1 is the end of daylight savings time!
- Related Events: Along with its Endless Series sidekick in March and Spring Fever.
Registration
Register for the race at this link.
Course map
Train with a club
Run clubs near Golden to train with before race day.
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