Track stars and couch potatoes alike, this could be your fastest mile yet. This one-mile straight road race features individual time trail starts that sends racers off every 10 seconds, allowing you to chase down your competition for a prize money incentive. This family fun event allows children under 12 to compete in a mass start where everyone will race against the clock. Proceeds benefit the Big Brothers Big Sisters of Colorado. Sat 4 p.m. 

Visit www.bannockstreetmile.com.