Mountain and animals. Because of the less hospitable terrain and climate, mountains tend to be used less for agriculture and more for resource extraction and recreation, such as mountain climbing. The highest mountain on Earth is Mount Everest in the Himalayas of Asia, whose summit is above mean sea level. The highest known mountain on any planet in the Solar System is Olympus Mons on Mars at . There is no universally accepted definition of a mountain. Elevation, volume, relief, steepness, spacing and continuity have been used as criteria for defining a mountain. In the Oxford English Dictionary a mountain is
Olympus Mountain Running Olympus Mountain Running Since 1986, nearly every year, various initiators organize marathons in the Olympus Mountains in Greece. For these Olympus Marathons the classic distance of 42.195 kilometers provides a clue to the distance of some of the runs in the Olympus. Starting in 2010, events established that surpass the classic marathon distance. In some races, runners run over distances of 57 km, 70 km or almost 100 km. At the stations along the route, the runners are provided with drinks and snacks and mostly medical aid. They are offered water, electrolytic drinks, bananas, salty biscuits, sandwiches, chocolates and more.