The omnium was re-introduced into the World Championships as a five-race track cycling format for men in 2007 and for women in 2009.
The omnium was changed in 2010 by the UCI to include the elimination race and the distances of the events were lengthened to favour endurance cyclists.
[1] The omnium replaced the individual pursuit and the points race at the Summer Olympic Games beginning in 2012.
The change received some criticism from cyclist Rebecca Romero, who was left unable to defend her Olympic title.
[2] From June 2014 until the end of 2016,[3] the omnium as defined by the Union Cycliste Internationale (UCI) consisted of the following six events held over 2 days: For the first five events, each winner was awarded 40 points, each second place 38 points, each third place 36, etc.