Johnny Garness continued to dominate the Honda British Talent Cup action as he beat team-mate Carter Brown by 2.641s in the blazing sunshine.
From pole, Garness grabbed the holeshot and was never challenged as he shot out to the front and controlled the race, as Brown took second.
Behind, Rhys Stephenson finished a lonely third as four-rider battle for fourth raged, eventually won by Matthew Ruisbroek, just ahead of Harrison Crosby.
Honda British Talent Cup, Thruxton, race one:
1. Johnny Garness (MLav VisionTrack Academy)
2. Carter Brown (MLav VisionTrack Academy) +2.641s
3. Rhys Stephenson (Rocket Racing) +3.757s
4. Matthew Ruisbroek (Microlise Cresswell Racing) +14.443s
5. Harrison Crosby (Banks Racing) + 14.473s