Only the bold show up when the sun’s at its peak. The Misfit Mile: August Heat Check is a 1-mile showdown designed to test your speed, your grit—and your tolerance for the heat.

We’re running this one during the hottest part of the day, so bring the energy, bring the attitude, and bring something bright. It’s short, it’s intense, and it’s all about showing what you’ve got when conditions are tough.