Below are the Top 10, official times in the 40-yard dash among running backs at the 2010 NFL Scouting Combine:
1. Jahvid Best, Cal (5-10, 199): 4.35
2. C.J. Spiller, Clemson (5-11, 196): 4.37
3. Ben Tate, Auburn (5-10, 220): 4.43
4. Ryan Mathews, Fresno State (5-11, 218): 4.45
5. Joe McKnight, USC (5-11, 198): 4.47
6. Montario Hardesty, Tennessee (5-11, 225): 4.49
7. James Starks, University of Buffalo (6-2, 218): 4.50
8. Lonyae Miller, Fresno St (5-11, 221): 4.53
9. Shawnbrey McNeal, SMU (5-9, 194)
10. Dexter McCluster, Mississippi (5-9, 172): 4.58
