Starting Block Olympic Mark 1N -IAAF approvedOLYMPIC MARK1N STARTING BLOCK Want to achieve that explosive start in your competitions? Athletes using a starting block will help to achieve your greatest acceleration. The starting blocks allow you to shift your weight to your shoulders & hands so when the race starts you're already up on your feet using momentum to accelerate forward. Alliance WA approved Olympic Mark 1N is designed for an easy start with extra broad paddles. Olympic Mark 1N has a