EXPLAINER: This year's four new Olympic sports, broken down
Brazil's Silvana Lima rides a wave during a training session at the 2020 Summer Olympics, Saturday, July 24, 2021, at Tsurigasaki beach in Ichinomiya, Japan. (AP Photo/Francisco Seco)

Brazil's Silvana Lima rides a wave during a training session at the 2020 Summer Olympics, Saturday, July 24, 2021, at Tsurigasaki beach in Ichinomiya, Japan. (AP Photo/Francisco Seco)

Jul. 23, 2021 10:14 PM EDT
Tony Hawk who is not a competitor, tries out the skate park at the 2020 Summer Olympics, Friday, July 23, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Tony Hawk who is not a competitor, tries out the skate park at the 2020 Summer Olympics, Friday, July 23, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Jul. 23, 2021 03:25 AM EDT