The Men's omnium competition at the 2021 UCI Track Cycling World Championships was held on 23 October 2021.[1][2][3]
The first 12 riders in each heat advance.
The race was started at 10:00.[4]
The race was started at 10:23.[5]
The scratch race was started at 12:24.[6]
The tempo race was started at 12:24.[7]
The elimination race was started at 18:51.[8]
The points race was started at 20:02.[9]