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.
Tennis: Billy Harris secures spot in Wimbledon main draw
Former Island player wins in four sets in final qualifying round
Golf: Draws made for 2026 Isle of Man Championships
Action to get underway at Rowany Golf Club next weekend
Football: Brown and Wignall take top prizes at FA awards
Peel duo among winners following 2025/26 season
Cycling: Manx riders all set for 2026 national championships
Isle of Man represented across time trials and road races this week
Football: Isle of Man squad named for Cherry Godfrey Cup
Manx side looking to defend title in Guernsey this weekend