All-Out Beat the Heat Half Marathon, 10K & 5K Westminster, CO   Apr 18, 2026

Unleash your inner superhero at the annual Beat the Heat event! This year, we’re calling all champions to assemble where one of Colorado’s favorite trails joins one of its most glorious parks, and support the vital mission of Adaptive Adventures. All courses will send athletes on a heroic journey, following the winding Big Dry Creek Trail southwest, with the half marathon course offering magnificent views of Standley Lake against the epic backdrop of the Front Range. It’s an official BOLDERBoulder qualifying event, so come prepared to put your superpowers to the test and achieve a truly marvel-ous finish time!