Taman Negara Eco-Challenge (TNEC) is a 4-day expedition length adventure race in which teams of four competed.

Taman Negara Eco-Challenge is fulfillment of enthusiasm to expand local industry of recreational sports and tourism events concurrently. Having such an event will offer an opportunity to recreational sports enthusiasts to expand their sporting calendar. The event is also targeted at promoting healthy lifestyle among youth and teens.

Hosted for the third year, is an annual adventure race to be held from 5th to 8th November 2008. TNEC is now considered as the toughest adventure race and one of the most anticipated eco-challenge events in Malaysia.

Each team comprised an optional of men and women, racing non-stop, 24 hours a day, over a rugged 150km course, participating in such disciplines as trekking, whitewater rafting and running.