The men's ski cross competition of the FIS Freestyle Ski and Snowboarding World Championships 2017 was held at Sierra Nevada, Spain, on March 18 (qualifying and finals). Forty-four athletes from 18 countries competed.
The following are the results of the qualification.[1]
The following are the results of the elimination round.[2]
The top 32 qualifiers advanced to the 1/8 round. From here, they participated in four-person elimination races, with the top two from each race advancing.