Luke Stapleford converted pole into the opening win of the weekend as he took the Sprint race victory, 8.542secs clear of Ben Currie.
It was Currie who grabbed the holeshot from Stapleford after storming off the second row, but by lap three, both Stapleford and Honda Racing UK’s Jack Kennedy were passed the reigning champion.
Stapleford took off at the front with Kennedy tucked in right behind him and this was how it stayed for most of the race, Kennedy looking increasingly menacing behind the leader as he set two new lap records.
As the pair began the penultimate lap, they were split by just 0.150secs and just as it seemed Kennedy was about to make a move, he crashed out. By now, Currie was around eight seconds behind in third, allowing Stapleford an easy run to the flag.
Currie claimed second, as behind, Harry Truelove, Dean Harrison and Eugene McManus were battling it out for the final podium spot. McManus dropped to fifth behind Truelove and Harrison who crossed the line third and fourth respectively, separated by just 0.064secs.
Owen Jenner had an easy run to GP2 victory as team-mate Jack Nixon crashed out, as did Lucca Allen on the final lap, with second in class going Keo Walker.
And in the Cup, Mikey Hardie trailed Cameron Hall all race but caught right up with him on the final lap and beat him in a drag to the line to take the win, as Adon Davie was third.
Quattro Group British Supersport & GP2/HEL Supersport Cup: Sprint Race result:
1. Luke Stapleford (Macadam Triumph Racing)
2. Ben Currie (Oxford Products Raing Ducati) +8.542s
3. Harry Truelove (Astro-JJR Suzuki) +10.594s
4. Dean Harrison (Honda Racing UK) +10.658s
5. Eugene McManus (ROKiT Haslam Racing Ducati) +11.347s