The WBFS file works fine. Rename it to .iso or load it directly. Dolphin runs this game perfectly at 1080p, but the motion controls are awkward with a mouse. You need a real Wii Remote via Bluetooth.
folder with the RWSX01 game ID. More information on the game's details can be found on descargar mario y sonic en los juegos olimpicos wii wbfs
Si quieres, puedo: