The 2020 Summer Olympics men's park skateboarding competitions took place on August 5, 2021 at the Ariake Urban Sports Park in Tokyo, Japan.
[2] The twenty participating skateboarders were sorted into four heats of five skaters each for the semifinals (prelims).
During the semifinals, each skater did three 45-second runs in their designated heat.
The eight top-ranked skaters from the combined ranking of the heats qualified for the final.
[2][3] The top 8 skateboarders of 20 advanced to the final.