Jack Kennedy picked up where he left off as he stormed straight to the top of the timesheets with a 1m:37.787s lap, beating Bradley Perie by more than half a second at Oulton Park.
Harry Truelove was third quickest, more than a second adrift of Kennedy’s lap as Lee Johnston was fourth ahead of Eugene McManus in fifth.
In GP2, Cameron Fraser led the way, ahead of Jack Scott and Harvey Claridge.
Quattro Group British Supersport, Oulton Park, Free Practice One
1. Jack Kennedy (Mar-Train Racing)
2. Bradley Perie (Appleyard Macadam Racing) +0.668s
3. Harry Truelove (Appleyard Macadam Racing) +1.099s
4. Lee Johnston (Ashcourt Racing) +1.209s
5. Eugene McManus (Completely Motorbikes/Affinity) +2.177s