 Roger Rinderknecht akaberekwa musi wa4 Chivabvu 1981 muWinterthur mutambi weSwitzerland anomiririra Switzerland muBMX uye mujaho webhasikoro remakomo. Akasarudzwa kuti amiririre Switzerland pa2012 Summer Olympics muvarume BMXchiitiko apo akasvika kumasemi-fainari. Akanga ambosvika kuma semi-fainari kumaOlympics a2008. 