2016 winner defending title
The Granite Mann off-road triathlon takes place at Cringle Plantation today.
It starts at 9.30am with a 400 metre swim in the reservoir which is followed by a 10 kilometre cycle and a 5k run.
Last year's winner was Ryan Downey who is defending his title.
Campaigner labels horse tram business case "biggest fudge" in Manx politics
Ministers' response to dyslexia report 'disappointing', says campaign group
Farmer declares intention to stand for election in Garff
What support have you received to help you maintain a healthy weight?