<prompt> Qedela umusho olandelayo: URalph Näf owazalwa ngo-10 Meyi 1980 ungumshayeli webhayisikili waseSwitzerland osethathe umhlalaphansi. Emidlalweni yama-Olimpiki yasehlobo ka-2004, waqhudelana emidlalweni yamadoda, waqeda endaweni yesithupha. Emidlalweni yama-Olimpiki yasehlobo ka-2012, waqhudelana  <response>: I-cross-country yamadoda eHadleigh Farm, iqeda endaweni ye-18. 