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). 44 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.