Sabah Adventure Challenge (SAC) is Southeast Asia's oldest and most established adventure race. Founded in 1998 by Danish engineer Claus Pedersen, Australian Pilot Captain Taz Lawrie and New Zealander Martin V.Rijwsk, the present-day event features both a three-day, 120 kilometer adventure race and a separate two-day, 60 kilometer ultra run through Malaysia's Crocker Mountain Range surrounding famed Mount Kinabalu. Here, teams push their way through the rainforests of North Borneo, crossing chest-high rivers and orienteering through local villages to navigate to predetermined checkpoints. Experienced outdoor adventurer Avtar Singh Sandhu, a Malaysian was brought on in 2000 as a full-time member of the organization and assumed the responsibility of race director for the 2000 event for that year only and reverted to assistant race director until 2004 when he took charge of the event on a full-time basis.