Simon Skillicorn won Saturday's Glen Mona Horse shoe by over four minutes.
Tom Cringle, who is his nearest rival in the league this year, was second, and Ian Gale was third.
Cal Partington claimed the women's race ahead of last year's winner Rose Hooton. Bridget Kaneen was third.
Darts: Callum Brew arrows for Hungary
Paradarts player to represent Island
Hockey: Under-14s win in season opener
However, there was a defeat for the under-18 side
Athletics: Sarah Webster crowned world 24 hour champion
Manx athlete also sets new world record
Boxing: Jade Burden announces November fight
Manx pro boxer looking for fourth consecutive win