Reigning champion Jack Kennedy picked up where he left off as he topped the first Quattro Group British Supersport practice at Silverstone, 0.355secs ahead of Sam Munro.
Bradley Perie was straight back at the front end once again as he banked the third quickest lap of the session, just 0.003secs clear of Luke Jones as Lee Johnston rounded out the top five. In the GP2 class, Cameron Fraser edged out Harvey Claridge, with Jack Scott third.
Quattro Group British Supersport, Silverstone, Free Practice One
1. Jack Kennedy (Mar-Train Racing)
2. Sam Munro (Munro Racing) +0.355
3. Bradley Perie (Appleyard Macadam Racing) +0.542
4. Luke Jones (Highsparks IAW Track Demons) +0.545
5. Lee Johnston (Ashcourt Racing) +0.552