Back for its 17th year the Convict 100 is one of Australia's most challenging MTB marathon races following the historic Convict Trail through the Dharug and Yengo National Parks. The course features a mix of fast fire trail, technical rock gardens,  spectacular ridgeline views, rocky descents and the infamous kayak bridge. With a 100km, 68km and 44km distance on offer there is a distance to suit all skill and fitness levels.