Insomniac 100

Townsville Triathlon Club welcomes you to the inaugural Riverway Insomnia 100 Ultra and the Riverway Insomnia 42 Marathon 2025. The format of this race is different. Each lap starts on the hour, every hour, for 24 hours. Laps will alternate between clockwise and anti-clockwise. 

Competitors in the Riverway 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 Riverway 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.