The Grampians Challenge Multisport Race & Trail Run is held at Wartook in Victoria on Sunday, 17 September 2017.
The multisport race has three legs: a 9km run, 10km paddle and 28km mountain bike. There are solo, teams and duo categories. In the duo event, the team has to stay together over the whole course.
The 21km trail run follows a looped course, starting and finishing at the same place. The trail run starts in waves along with the multisport racers, depending on final numbers.