Cristian Bolton of Chile performs during the qualifying day at the second stage of the Red Bull Air Race World Championship in San Diego, United States on April 15, 2017.
       
     
 Levi Sherwood of Australia performs at the fourth stage of the Red Bull X-Fighters World Tour in Munich, Germany on July 18, 2014.
       
     
 Athletes perform during the Finals of the Red Bull Crashed Ice, the second stop of the Ice Cross Downhill World Championship in Saint Paul, MN, United States of America on February 22, 2014.
       
     
 Matthias Thoma performs during the Jungheinrich-Cup, STIHL TIMBERSPORTS® Series, in Bensheim, Germany on June 8, 2014.