It was business as usual as the Ducati Performance Tri-Options Cup fired back into action, with David Shoubridge leading Tom Tunstall by 1.666secs at the end of day one.
Former champion Phil Atkinson was 0.716secs behind in third position, just holding off Blaze Baker as Mark Bridger ended the day fifth.
Ducati Performance Tri-Options Cup, Cadwell Park, Free Practice:
1. David Shoubridge (Rich Energy Ducati) 1min 31.634s
2. Tom Tunstall (Motorcycle Race Parts) +1.666s
3. Phil Atkinson (Q-Oil Treatments/Unique Motorsport) +2.382s
4. Blaze Baker (Trackdemons Racing Powered by HMY) +2.514s
5. Mark Bridger (Moto46) +2.805s