Competitors in the Insomnia 100 Ultra will start at 9:00 am Saturday morning and have an hour to complete one lap (4.2km) of the course. The next lap starts at 10:00 am, and the third lap starts at 11:00 am, etc. After 24 hours, competitors will commence their last lap at 08:00 am Sunday and by 09:00 am Sunday will have completed the 100km Ultra. Competitors in the Insomnia 42 Marathon commence at 11:00 pm Saturday night. They will also commence their last lap at 08:00 am Sunday and by 09:00 am Sunday will have completed the 42km Marathon. Event winners and podium finishers will be the competitors with the lowest aggregated time over the Ultra and the Marathon.