Defending champion Josh Day topped the opening Ducati TriOptions Cup session of the 2021 season at Donington Park, holding a 0.387s edge over Elliott Pinson in the closing stages of free practice.
Day had led for the entirety of the 25-minute session, as Pinson moved up into second in the final four minutes to put himself ahead of Seb Bulpin.
Chris Walker slotted into fourth place at his home circuit, 0.885s adrift of Day at the top, with Craig Neve completing the top five.
Ducati TriOptions Cup, Donington Park, Free Practice 1 result:
1. Josh Day (Host-it.co.uk Racing Team) 1m:35.482s
2. Elliott Pinson (Symcirrus Motorsport) +0.387s
3. Seb Bulpin (Seb Bulpin Racing) +0.661s
4. Chris Walker (4T2 Racing) +0.885s
5. Craig Neve (CN Racing) +0.901s