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.
FC Isle of Man to host struggling City of Liverpool
Visitors could be relegated if Ravens end losing streak
Hockey: Four league titles to be decided on final day
Plenty on the line in finale to 2026 league season this weekend
Rugby: Make or break for Douglas in play-off quest?
Elsewhere, Ramsey and Vagabonds both on the road in Counties 3 ADM Lancs/Cheshire
Football: Top versus bottom in premier league this weekend
Castletown with chance to close gap on Colby in Division 2