Henry Snell was back on the top step of the podium at Snetterton as he held off Calum Beach for the win.
James Cook had hit the front on the opening lap but crashed out seconds later, leaving Snell and Beach to fight it out for victory.
Snell took it, with Beach finishing second and 6.992 ahead of third-placed Luca Hopkins. Kylan Shuttlewood was fourth with Marley Mackenzie fifth.
AJN Steelstock Kawasaki British Superteen Championship, Race One:
1. Henry Snell (ROKiT Rookies Kawasaki)
2. Calum Beach (UPVC Outlet Racing) +2.619s
3. Luca Hopkins (Symcirrus Motorsport/MasterMac Surfacing) +6.992s
4. Kylan Shuttlewood (ROKiT Rookies Kawasaki) + 14.060s
5. Marley Mackenzie (ELPM/Kirkcaldy Kawasaki) +14.301s