Alfie Davidson continued to dominate the Sportbike series as he once again clocked the fastest lap in FP2 to end the day on top.
His time of 1min 34.887secs in the second session kept him 0.606secs clear of Zak Shelton on the combined practice times, as Edmund Best ended the day in third place.
Cameron Dawson was fourth on the combined practice sheets, with Ted Wilkinson fifth.
Pirelli National Sportbike Championship, combined practice:
1. Alfie Davidson (Aprilia IN Competition Racing) 1min 34.887s
2. Zak Shelton (XMT Racing) +0.606s
3. Edmund Best (Symcirrus Motorsport) +0.781s
4. Cameron Dawson (Powerslide Suzuki Racing) +0.873s
5. Ted Wilkinson (TWR Ted Wilkinson Racing) +0.882s