All-Out Spring Fever

🏃‍♂️ Race Overview

From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 13th annual Spring Fever from Jefferson County's NAAC Stadium… easily accessible from several nearby highways.

🌟 Event Details

• Date: 2026-03-22
• Location: 19500 W 64th Pkwy, Golden, CO
• Courses: 5K, 10K & Half Marathon
• More Info: Learn more about the race

🏞️ Race Highlights

• Scenic Routes: Courses hug the shores of Arvada's Blunn Reservoir via the Ralston Creek Trail.
• Challenge: Suitable for both beginner and veteran athletes alike.
• Endless Series: This event is paired with the Endless Series in October.
• Kooky-Spooky: Upcoming themed event in October, find more info at Kooky-Spooky.