Olympus Mons to astronomers since the late 19th century as the albedo feature Nix Olympica (Latin for "Olympic Snow"). Its mountainous nature was suspected well before space probes confirmed its identity as a mountain. The volcano is located in Mars's western hemisphere at approximately , just off the northwestern edge of the Tharsis bulge. The western portion of the volcano lies in the Amazonis quadrangle (MC-8) and the central and eastern portions in the adjoining Tharsis quadrangle (MC-9). Two impact craters on Olympus Mons have been assigned provisional names by the International Astronomical Union. They are the -diameter Karzok crater () and
Olympus Mountain Running run. From a boat the competition starts, the swimming ends at the beach of Platamonas. The route depends on the wind direction, the athletes are accompanied by boats. From Platamonas, the Olymp is almost completely rounded. The cycle race takes place on paved roads, 4100 vertical meters have to be overcome. Target is the place Vrisopoules. From Vrisopoules, the route leads over the second highest peak of the mountains (Skolio, 2911 m) on forest roads down to the river Orlias, which is the destination of the triathlon. There are 2250 vertical meters to overcome. Olympus Mountain Running Since 1986, nearly