Ilya Mikhalchik was back on top this afternoon to end day one on top at Snetterton, with a best lap of 1min 49.128s.
It took him just 0.058secs clear of Tom Ward at the end of the session, with Luke Mossey third, David Allingham fourth and Josh Owens fifth.
Pirelli National Superstock Championship, Combined practice:
1. Ilya Mikhalchik (ROKiT BMW Motorrad) 1min 49.128s
2. Tom Ward (Armada Racing Honda) +0.058s
3. Luke Mossey (Milenco by Padgetts Motorcycles) +0.122
4. David Allingham (SMS/Nicholl Oil BMW) +0.599s
5. Josh Owens (SAF Holland Honda) +0.677s