Do you think cycling is just guys in lycra racing up mountains? Think again. This chart breaks down every corner of the cycling sport universe: Road, Track, Mountain Bike, BMX, Cyclo-cross, Trials, Indoor Cycling and Para-cycling, right down to individual event types like the Madison, the Keirin, and Enduro. Click any branch to zoom in, hover for the details, and watch the bars stretch out to show roughly how many events fill the calendar each year — split by men’s and women’s disciplines.