FIS Freestyle Ski and Snowboarding World Championships 2021 – Men's snowboard cross

The Men's snowboard cross competition at the FIS Freestyle Ski and Snowboarding World Championships 2021 was held on 11 February 2021. A qualification was held on 9 February.

Qualification
The qualification was held on 9 February at 10:45.

1/8 finals

 * Heat 1


 * Heat 3


 * Heat 5


 * Heat 7


 * Heat 2


 * Heat 4


 * Heat 6


 * Heat 8

Quarterfinals

 * Heat 1


 * Heat 3


 * Heat 2


 * Heat 4

Semifinals

 * Heat 1


 * Heat 2