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.
Ravens edged out at home by Ramsbottom United
FC Isle of Man beaten by league leaders in cagey contest
FC Isle of Man prepare to welcome league leaders Ramsbottom United
Ravens targeting season double over table-toppers at The Bowl
Hockey: 2024 mixed cup competitions to begin this weekend
First rounds of Cup, Plate & Bowl tournaments to take place (Fixtures: 5 Oct)
Cycling: Owen Collins is an Under-23 world champion
Manx rider claims title at 24hr MTB championship in Australia