Spartan Race

Spartan Race is a series of obstacle races of varying distance and difficulty ranging from 3 miles to marathon distances. They are held in US and have been franchised to 30 countries including Canada, South Korea, Australia and several European countries.The series include the Spartan Sprint, the Spartan Super, the Spartan Beast, and the Spartan Ultra. Spartan Race also has a military series, hosted on military bases. There are also winter and team events.

Source : https://en.wikipedia.org/wiki/Spartan_Race