OMM meaning in Sports ?

Answer:

What is Original Mountain Marathon mean?

The Original Mountain Marathon (OMM), formerly known as the Karrimor International Mountain Marathon (or KIMM), and initially simply The Karrimor, is a two-day Mountain event, held in a different region across the UK every year. It was first held in 1968 and continues today. Gerry Charnley, a skilled mountaineer and orienteer, designed the KIMM to test orienteering skills in extreme circumstances; the full-length KIMM course is a double-marathon length race. Each team must carry all their gear, including equipment for an overnight camp. Moreover, the course is not disclosed until the race begins, so each team must have good navigation skills. Some have called the KIMM the forerunner of modern adventure racing.

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