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.
Club receives funding for Island's first SuperEnduro track
Prevail Motorcycle Club hopes it will inspire the next generation
Charity to assist with Pre-TT Classic preparations
Beach Buddies set to clean entire Billown Course
McGuinness: TT is 'the journey that keeps on giving'
Twenty-three-time winner celebrating 30 years at the event in 2026
Football: Corinthians book place in Hospital Cup final
Ramsey Youth Centre & Old Boys win key Division 2 promotion clash