All-Out Beat the Heat

APR
18
2026
This is the 14th annual All-Out Beat the Heat running event in Westminster. Runners can choose from a half marathon, 10K, or 5K on the Big Dry Creek Trail, with views of Standley Lake. The event supports Adaptive Adventures and serves as a BOLDERBoulder qualifier.
Sat 18 Apr 2026
Half Marathon 10 kilometers 5 kilometers

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Event Information

This is the 14th annual All-Out Beat the Heat event. It takes place in Westminster, Colorado. The event supports the organization Adaptive Adventures.

Race Courses

All in-person race courses follow the Big Dry Creek Trail southwest. The half marathon course passes by Standley Lake and offers views of the Front Range.

Distances Offered

The event offers several in-person and virtual race options:

  • Half Marathon
  • 10K
  • 5K
  • VIRTUAL Half Marathon
  • VIRTUAL 10K
  • VIRTUAL 5K

Registration Details

Registration is available for all distances. Prices vary by distance and participant age. A series discount is available for participants who also register for the All-Out Spring Fever event in Golden, Colorado.

This event is an official qualifier for the BOLDERBoulder race. Finishing times from any distance can be used for BOLDERBoulder wave placement. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon
10 km
10k
5 km
Virtual Half Marathon
Virtual 5k
Virtual 10k