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.
Hickman to make debut at Southern 100 Road Races
Fourteen-time TT winner contesting in the Superbike class
FC Isle of Man needs 'mindset change', says new manager
Lee Dixon has taken over the vacant managerial position
Shooting: Mark Riley wins both rounds at Meary Veg
Second and third rounds of the Sadler Agricultural Supplies ABT league held
Lee Dixon appointed as new FC Isle of Man manager
Club announces new appointment ahead of Festival of Football