The Color Run, Kapolei

There are two rules at The Color Run 5K races—wear a white shirt at the starting line, and finish plastered in color. Participants of all fitness levels weave through a leisurely course as volunteers lob colored powder at them, crossing the finish line doused in a rainbow of hues. Following the dash, color runners gather at the Finish Festival to celebrate their achievement with music, dancing, and even more massive color throws.