PHOENIX -- Results Saturday from the THQ Supercross event at Bank One Ballpark:

125cc
1. James Stewart, Kawasaki
2. Travis Preston, Honda
3. Danny Smith, Suzuki
4. Sean Hamblin, Suzuki
5. Keith Johnson, Yamaha
6. Craig Anderson, Yamaha
7. Erick Sorby, Kawasaki
8. Steve Mertens, Yamaha
9. Andrew Short, Suzuki
10. Billy Laninovich, KTM

Season standings
1. Travis Preston, Honda, 47
2. James Stewart, Kawasaki, 47
3. Danny Smith, Suzuki, 36
4. Andrew Short, Suzuki, 32
5. Kevin Johnson, Yamaha, 27
6. Christopher Gosselaar, Honda, 27
7. Craig Anderson, Yamaha, 27
8. Billy Laninovich, KTM, 26
9. Matt Walker, Kawasaki, 21
10. Sean Hamblin, Suzuki, 18

250cc
1. Ezra Lusk, Kawasaki
2. Chad Reed, Yamaha
3. Tim Ferry, Yamaha
4. Ricky Carmichael, Honda
5. David Vuillemin, Yamaha
6. Sebastien Tortelli, Suzuki
7. Mike LaRocco, Honda
8. Ernesto Fonseca, Honda
9. Ivan Tedesco, Kawasaki
10. Brock Sellards, Yamaha

Season standings
1. Chad Reed, Yamaha, 47
2. Tim Ferry, Yamaha, 40
3. Ricky Carmichael, Honda, 40
4. Ezra Lusk, Kawasaki, 38
5. David Vuillemin, Yamaha, 34
6. Sebastien Tortelli, Suzuki, 31
7. Ernesto Fonseca, Honda, 28
8. Ivan Tedesco, Yamaha, 21
9. Stephane Roncada, Suzuki, 19
10. Ryan Clark, Yamaha, 14