All-Out Runapalooza Half Marathon, 10K, & 5K

Thursday, August 3, 2023 Arvada, CO

Runners in the course of the All-Out Runapalooza Half Marathon, 10K, & 5K in Arvada, CO

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. 

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?! 

Race Weather & Climate

Arvada, positioned in north-central Colorado, is in close proximity, only about 8 miles northwest, to downtown Denver, Colorado’s largest city.

In the midst of summer, Arvada offers warm weather with highs reaching 88°F and lows at 56°F. It’s relatively dry, with only 0.6 inches of rainfall.

On race day (August 3), the average low is 63ºF and the average high is 80ºF.

All-Out Runapalooza Race Results

2023 All-Out Runapalooza Half Marathon Race Results

All-Out Runapalooza Course Map

See the race route map for the All-Out Runapalooza Half Marathon, 10K, & 5K course map here.

Starting Time

  • The half marathon start time is 7:15 AM.
  • The 10K start time is 7:35 AM.
  • The 5K start time is 7:45 AM.


To reserve your spot in the 2023 All-Out Runapalooza Half Marathon, 10K, & 5K, you can use the registration link here.

Race Fees

  • There is a $60.00 fee for the half marathon.
  • There is a $40.00 fee for the 10K.
  • There is a $30.00 fee for the 5K.

All-Out Runapalooza Half Marathon, 10K, & 5K Race Website

All-Out Runapalooza Half Marathon, 10K, & 5K Website

See more races in: August, Colorado