# 2009 Assen Superbike World Championship round

The 2009 Assen Superbike World Championship round will be the fourth round of the 2009 Superbike World Championship season. It took place on the weekend of April 24–26, 2009 at the TT Circuit Assen located in Assen, Netherlands.

## Results
### Superbike race 1

| Pos | No | Rider | Bike | Laps | Time | Grid | Points |
| 1 | 19 | Ben Spies | Yamaha YZF-R1 | 22 | 36:31.338 | 1 | 25 |
| 2 | 41 | Noriyuki Haga | Ducati 1098R | 22 | +0.154 | 4 | 20 |
| 3 | 91 | Leon Haslam | Honda CBR1000RR | 22 | +0.779 | 3 | 16 |
| 4 | 66 | Tom Sykes | Yamaha YZF-R1 | 22 | +8.775 | 8 | 13 |
| 5 | 3 | Max Biaggi | Aprilia RSV 4 | 22 | +11.275 | 10 | 11 |
| 6 | 96 | Jakub Smrž | Ducati 1098R | 22 | +16.126 | 2 | 10 |
| 7 | 65 | Jonathan Rea | Honda CBR1000RR | 22 | +19.555 | 11 | 9 |
| 8 | 55 | Régis Laconi | Ducati 1098R | 22 | +19.760 | 12 | 8 |
| 9 | 84 | Michel Fabrizio | Ducati 1098R | 22 | +23.006 | 5 | 7 |
| 10 | 11 | Troy Corser | BMW S1000RR | 22 | +24.285 | 15 | 6 |
| 11 | 67 | Shane Byrne | Ducati 1098R | 22 | +26.003 | 14 | 5 |
| 12 | 31 | Karl Muggeridge | Suzuki GSX-R1000 K9 | 22 | +27.814 | 13 | 4 |
| 13 | 76 | Max Neukirchner | Suzuki GSX-R1000 K9 | 22 | +36.962 | 6 | 3 |
| 14 | 111 | Ruben Xaus | BMW S1000RR | 22 | +39.025 | 20 | 2 |
| 15 | 9 | Ryuichi Kiyonari | Honda CBR1000RR | 22 | +41.505 | 16 | 1 |
| 16 | 24 | Brendan Roberts | Ducati 1098R | 22 | +41.810 | 18 | |
| 17 | 100 | Makoto Tamada | Kawasaki ZX-10R | 22 | +50.186 | 25 | |
| 18 | 32 | Stuart Easton | Kawasaki ZX-10R | 22 | +55.567 | 23 | |
| 19 | 94 | David Checa | Yamaha YZF-R1 | 22 | +56.425 | 21 | |
| 20 | 25 | David Salom | Kawasaki ZX-10R | 22 | +1:05.169 | 22 | |
| 21 | 88 | Roland Resch | Suzuki GSX-R1000 K9 | 22 | +1:37.663 | 28 | |
| Ret | 99 | Luca Scassa | Kawasaki ZX-10R | 18 | Mechanical | 27 | |
| Ret | 56 | Shinya Nakano | Aprilia RSV 4 | 13 | Accident | 19 | |
| Ret | 77 | Vittorio Iannuzzo | Honda CBR1000RR | 13 | Retirement | 24 | |
| Ret | 15 | Matteo Baiocco | Kawasaki ZX-10R | 12 | Retirement | 26 | |
| Ret | 7 | Carlos Checa | Honda CBR1000RR | 4 | Accident | 7 | |
| Ret | 71 | Yukio Kagayama | Suzuki GSX-R1000 K9 | 1 | Accident | 9 | |
| Ret | 33 | Tommy Hill | Honda CBR1000RR | 0 | Accident | 17 | |

### Superbike race 2

| Pos | No | Rider | Bike | Laps | Time | Grid | Points |
| 1 | 41 | Noriyuki Haga | Ducati 1098R | 22 | 36:31.712 | 4 | 25 |
| 2 | 91 | Leon Haslam | Honda CBR1000RR | 22 | +2.678 | 3 | 20 |
| 3 | 96 | Jakub Smrž | Ducati 1098R | 22 | +4.603 | 2 | 16 |
| 4 | 84 | Michel Fabrizio | Ducati 1098R | 22 | +8.981 | 5 | 13 |
| 5 | 65 | Jonathan Rea | Honda CBR1000RR | 22 | +12.104 | 11 | 11 |
| 6 | 66 | Tom Sykes | Yamaha YZF-R1 | 22 | +14.575 | 8 | 10 |
| 7 | 7 | Carlos Checa | Honda CBR1000RR | 22 | +17.449 | 7 | 9 |
| 8 | 67 | Shane Byrne | Ducati 1098R | 22 | +17.729 | 14 | 8 |
| 9 | 76 | Max Neukirchner | Suzuki GSX-R1000 K9 | 22 | +18.167 | 6 | 7 |
| 10 | 11 | Troy Corser | BMW S1000RR | 22 | +25.056 | 15 | 6 |
| 11 | 111 | Ruben Xaus | BMW S1000RR | 22 | +32.617 | 20 | 5 |
| 12 | 71 | Yukio Kagayama | Suzuki GSX-R1000 K9 | 22 | +32.688 | 9 | 4 |
| 13 | 24 | Brendan Roberts | Ducati 1098R | 22 | +37.415 | 18 | 3 |
| 14 | 15 | Matteo Baiocco | Kawasaki ZX-10R | 22 | +55.088 | 26 | 2 |
| 15 | 99 | Luca Scassa | Kawasaki ZX-10R | 22 | +55.325 | 27 | 1 |
| 16 | 55 | Régis Laconi | Ducati 1098R | 22 | +1:18.514 | 12 | |
| 17 | 88 | Roland Resch | Suzuki GSX-R1000 K9 | 22 | +1:30.780 | 28 | |
| Ret | 33 | Tommy Hill | Honda CBR1000RR | 20 | Mechanical | 17 | |
| Ret | 100 | Makoto Tamada | Kawasaki ZX-10R | 10 | Retirement | 25 | |
| Ret | 9 | Ryuichi Kiyonari | Honda CBR1000RR | 7 | Mechanical | 16 | |
| Ret | 94 | David Checa | Yamaha YZF-R1 | 5 | Accident | 21 | |
| Ret | 25 | David Salom | Kawasaki ZX-10R | 5 | Retirement | 22 | |
| Ret | 31 | Karl Muggeridge | Suzuki GSX-R1000 K9 | 3 | Accident | 13 | |
| Ret | 32 | Stuart Easton | Kawasaki ZX-10R | 3 | Accident | 23 | |
| Ret | 19 | Ben Spies | Yamaha YZF-R1 | 1 | Accident | 1 | |
| Ret | 77 | Vittorio Iannuzzo | Honda CBR1000RR | 1 | Mechanical | 24 | |
| Ret | 3 | Max Biaggi | Aprilia RSV 4 | 1 | Mechanical | 10 | |
| DNS | 56 | Shinya Nakano | Aprilia RSV 4 | | Injured | 19 | |

### Supersport race

| Pos | No | Rider | Bike | Laps | Time | Grid | Points |
| 1 | 50 | Eugene Laverty | Honda CBR600RR | 21 | 35:45.160 | 4 | 25 |
| 2 | 35 | Cal Crutchlow | Yamaha YZF-R6 | 21 | +0.107 | 1 | 20 |
| 3 | 26 | Joan Lascorz | Kawasaki ZX-6R | 21 | +0.178 | 2 | 16 |
| 4 | 99 | Fabien Foret | Yamaha YZF-R6 | 21 | +1.777 | 5 | 13 |
| 5 | 54 | Kenan Sofuoğlu | Honda CBR600RR | 21 | +1.901 | 3 | 11 |
| 6 | 8 | Mark Aitchison | Honda CBR600RR | 21 | +5.492 | 12 | 10 |
| 7 | 13 | Anthony West | Honda CBR600RR | 21 | +12.551 | 8 | 9 |
| 8 | 77 | Barry Veneman | Suzuki GSX-R600 | 21 | +12.841 | 11 | 8 |
| 9 | 127 | Robbin Harms | Honda CBR600RR | 21 | +13.567 | 9 | 7 |
| 10 | 51 | Michele Pirro | Yamaha YZF-R6 | 21 | +19.657 | 7 | 6 |
| 11 | 7 | Patrik Vostárek | Honda CBR600RR | 21 | +24.316 | 17 | 5 |
| 12 | 69 | Gianluca Nannelli | Triumph Daytona 675 | 21 | +25.803 | 19 | 4 |
| 13 | 55 | Massimo Roccoli | Honda CBR600RR | 21 | +26.255 | 13 | 3 |
| 14 | 21 | Katsuaki Fujiwara | Kawasaki ZX-6R | 21 | +26.439 | 15 | 2 |
| 15 | 24 | Garry McCoy | Triumph Daytona 675 | 21 | +44.902 | 6 | 1 |
| 16 | 28 | Arie Vos | Honda CBR600RR | 21 | +52.814 | 20 | |
| 17 | 83 | Russell Holland | Honda CBR600RR | 21 | +52.959 | 21 | |
| 18 | 9 | Danilo dell'Omo | Honda CBR600RR | 21 | +58.793 | 22 | |
| 19 | 57 | Kevin Bos | Yamaha YZF-R6 | 21 | +1:04.653 | 28 | |
| 20 | 94 | Marcel van Nieuwenhuizen | Yamaha YZF-R6 | 21 | +1:08.049 | 29 | |
| 21 | 32 | Fabrizio Lai | Honda CBR600RR | 21 | +1:08.111 | 25 | |
| 22 | 88 | Yannick Guerra | Yamaha YZF-R6 | 21 | +1:08.389 | 30 | |
| 23 | 27 | Twan van Poppel | Yamaha YZF-R6 | 21 | +1:25.061 | 31 | |
| Ret | 53 | Alex Polita | Suzuki GSX-R600 | 19 | Mechanical | 24 | |
| Ret | 117 | Miguel Praia | Honda CBR600RR | 16 | Retirement | 16 | |
| Ret | 1 | Andrew Pitt | Honda CBR600RR | 15 | Accident | 10 | |
| Ret | 105 | Gianluca Vizziello | Honda CBR600RR | 14 | Retirement | 18 | |
| Ret | 30 | Jesco Günther | Honda CBR600RR | 10 | Retirement | 23 | |
| Ret | 14 | Matthieu Lagrive | Honda CBR600RR | 4 | Accident | 14 | |
| Ret | 5 | Doni Tata Pradita | Yamaha YZF-R6 | 3 | Retirement | 26 | |
| Ret | 96 | Matej Smrž | Triumph Daytona 675 | 2 | Retirement | 27 | |