Celebrating their 11th annual event, the All-Out Runapalooza Half Marathon invites eager participants to join in on the fun and come dressed up in their best flamboyant 90s impressions. PR Chasers, Destination Race. Taking place on the award-winning Ralston Creek Trail within Long Lake Regional Park, this half marathon course offers its participants incredible views throughout. Through a beautiful golf course intertwined with creekside views, runners can expect to enjoy all that Colorado has to offer.
All-Out Runapalooza Half Marathon 10K & 5K
August 2, 2025
Arvada
Road
Ready to sign up?
100-500
Fast & Flat
Park Run
High: 80°
/ Low: 63°
Emulating the All-Out Mardi Crawl that takes place in the same location in February, the All-Out Runapalooza half marathon course begins with runners heading south out of the Apex Center parking lot. Following east onto Ralston Creek Trail, runners settle into the course for the next four miles before reaching Long Lake Park loop. It’s then another 3.6 miles clockwise before returning to Ralston Creek Trail for the final stretch. Put off by an organization that you can count on, you can rest assured that the swag kit that’s provided is epic! First, all registrants will receive a custom event shirt. Second, a custom finisher’s medal. Finally, FREE race pictures for all! What more could you ask for?!
Overview
Celebrating their 11th annual event, the All-Out Runapalooza Half Marathon invites eager participants to join in on the fun and come dressed up in their best flamboyant 90s impressions. PR Chasers, Destination Race. Taking place on the award-winning Ralston Creek Trail within Long Lake Regional Park, this half marathon course offers its participants incredible views throughout. Through a beautiful golf course intertwined with creekside views, runners can expect to enjoy all that Colorado has to offer.
Course Description
Emulating the All-Out Mardi Crawl that takes place in the same location in February, the All-Out Runapalooza half marathon course begins with runners heading south out of the Apex Center parking lot. Following east onto Ralston Creek Trail, runners settle into the course for the next four miles before reaching Long Lake Park loop. It’s then another 3.6 miles clockwise before returning to Ralston Creek Trail for the final stretch. Put off by an organization that you can count on, you can rest assured that the swag kit that’s provided is epic! First, all registrants will receive a custom event shirt. Second, a custom finisher’s medal. Finally, FREE race pictures for all! What more could you ask for?!
