INDIANAPOLIS -- This is always one of the most anticipated days of the scouting combine -- the on-field workouts for the quarterbacks, running backs and wide receivers. The marquee test, of course, is the 40-yard dash. A few players blew it up, challening Chris Johnson's combine record, 4.24 seconds, set in 2008.

Here are the top times in the 40, according to NFL.com:

QUARTERBACK

1. Geno Smith, West Virginia -- 4.59

2. EJ Manuel, Florida State -- 4.65

3. Matt Scott, Arizona -- 4.69

4. Marqueis Gray, Minnesota -- 4.73

5. Colby Cameron, La. Tech -- 4.78

Notables: Ryan Nassib, Syracuse -- 5.06

RUNNING BACK

1. Onterio McCalebb, Auburn -- 4.34

2. Knile Davis, Arkansas -- 4.37

3. Kerwynn Williams, Utah State -- 4.48

4. Johnathan Franklin, UCLA -- 4.49

5. Michael Ford, LSU -- 4.50

Notables: Giovani Bernard, North Carolina -- 4.53; Montee Ball, Wisconsin -- 4.66; Jawan Jamison, Rutgers -- 4.68.

WIDE RECEIVER

1. Marquise Goodwin, Texas -- 4.27

2. Tavon Austin, West Virginia -- 4.34

2. Ryan Swope, Texas A&M -- 4.34

4. Josh Boyce, TCU -- 4.38

4. Kenny Stills, Okla. -- 4.38

Notables: Cordarrelle Patterson, Tennessee -- 4.42; Denard Robinson, Michigan -- 4.43; Mark Harrison, Rutgers -- 4.46