Supersport Race Lap Record: 1:38.108, Randy Krummenacher, 2018

Supersport Pole/Circuit Best Lap Record: 1:37.799, Sandro Cortese, 2018

FIM Supersport World Championship

TT Circuit Assen, Netherlands

April 12, 2019

Free Practice One Results (all on Pirelli tires):

1. Randy Krummenacher, Switzerland (Yam YZF-R6), 1:38.996

2. Raffaele De Rosa, Italy (MV Agusta F3 675), 1:39.107

3. Federico Caricasulo, Italy (Yam YZF-R6), 1:39.298

4. Lucas Mahias, France (Kaw ZX-6R), 1:39.554

5. Hikari Okubo, Japan (Kaw ZX-6R), 1:39.558

6. Isaac Vinales, Spain (Yam YZF-R6), 1:39.596

7. Thomas Gradinger, Austria (Yam YZF-R6), 1:39.614

8. Jules Cluzel, France (Yam YZF-R6), 1:39.863

9. Ayrton Badovini, Italy (Kaw ZX-6R), 1:39.943

10. Kyle Smith, UK (Kaw ZX-6R), 1:40.143

26. Maria Herrera, Spain (Yam YZF-R6), 1:43.079