Manx cyclist Mark Christian and partner Andrew Fenn lead the Rotterdam Six Day event, after four nights of competition.
In yesterday's Madison event, the pair maintained their advantage despite the Dutch team of Ismael Kip and Roy Pieters gaining a lap.
Christian and Fenn are now on the same number of laps as their Dutch rivals, but have scored eight more points.
Football: Railway Cup hopefuls all maintain pace in premier league
Castletown stay four points clear atop Division 2
Rugby: Vagabonds Ladies stay top with another victory
Vagabonds men and Douglas also take respective wins on home soil
Hockey: Harlequins A beat rivals to close in on prem leaders
Bacchas B take important victory in battle for top-flight safety
FC Isle of Man torn apart at Barnoldswick Town
It's the Manx side's heaviest ever league defeat