The semi-final round of voting for the AAU Sullivan Award is open now. Since 1930, the prestigious award has been given to the most outstanding amateur athlete in the United States, and some of the biggest names in sports have been honored with the award.

Past winners include Carl Lewis, Peyton Manning, Bill Walton, Michelle Kwan, Michael Phelps, Ezekiel Elliot, Tim Tebow, Shawn Johnson, Missy Franklin, and J.J. Redick.

The semi-final voting round will close on March 13, so make sure to get your votes in quickly! You can vote once every 24 hours here. And don’t forget to check back on March 15 when finalist voting begins! Now, let’s get to the semi-finalists.