Get ready to sign up quick—this popular event at Kill Creek Park in Olathe, KS caps out at 400 athletes, so don't wait! You'll have your choice of four sprint-distance formats: a triathlon with a 500M swim, 10.6-mile bike, and 3.1-mile run; a duathlon starting with a 1.5-mile run, followed by the 10.6-mile bike and 3.1-mile run; an aquabike combining a 500M swim and 10.6-mile bike; or an aquathlon pairing a 500M swim with a 3.1-mile run.