Morning practice revs up

Defending AMA Superbike Champion Mat Mladin upped the ante in Thursday morning practice, while the Hayden brothers took control in Supersport.

Superbike presented by Parts Unlimited

1. Mat Mladin, Suzuki, 1:37.534
2. Ben Spies, Suzuki, 1:38.245
3. Ben Bostrom, Ducati, 1:38.380
4. Jake Zemke, Honda, 1:38.450
5. Neil Hodgson, Ducati, 1:38.705

Lockhart Phillips USA Formula Xtreme

1. Jason DiSalvo, Yamaha, 1:41.300
2. Miguel Duhamel, Honda, 1:41.310
3. Jake Zemke, Honda, 1:42.279
4. Eric Bostrom, Yamaha, 1:42.714
5. Josh Hayes, Honda, 1:42.716

Pro Honda Oils Supersport

1. Tommy Hayden, Kawasaki, 1:41.590
2. Roger Lee Hayden, Kawasaki, 1:42.230
3. Jamie Hacking, Yamaha, 1:42.403
4. Ben Spies, Suzuki, 1:42.568
5. Damon Buckmaster, Kawasaki, 1:43.895

Repsol Lubricants Superstock

1. Jamie Hacking, Yamaha, 1:39.807
2. Jason DiSalvo, Yamaha, 1:40.093
3. Aaron Yates, Suzuki, 1:40.213
4. Geoff May, Suzuki, 1:40.244
5. Steve Rapp, Suzuki, 1:40.848

© 2006, American Motorcyclist Association