NFL Sports editorial source review ·
Derrick Henry: 40 yard time and speed evidence
The reviewed record lists 4.54 seconds. Source setting: compiled combine record. Read the event notes before comparing that mark with another workout.
Where the time comes from
The 2016 table includes all six athletic tests: a 4.54 second sprint, a 37 inch vertical, a 130 inch broad jump, 22 lifting repetitions and both agility runs.
Speed is only one part of movement
A straight sprint measures elapsed time over a fixed distance. It does not measure top speed during a game, running with the ball or the ability to change direction. A start, surface or timing method can affect a comparison between events.
Tennessee selected the Alabama running back in the second round. At 247 pounds, his draft weight gives needed context to the sprint. Compare like events and positions before drawing conclusions from a time alone.
How to compare the record
Compare the same distance, event type and timing method. A campus report and an electronic event result may use different setups. The reviewed sources here do not provide verified split times or a complete position ranking. Converting this mark into miles per hour would hide how acceleration changes during the run.
What to check for this record
The 130 inch broad jump equals 10 feet 10 inches. His cone result of 7.20 seconds and shuttle of 4.38 seconds belong to separate drills. Keeping all six tests visible helps readers compare a complete workout instead of selecting only its strongest looking mark.
Questions readers ask
What do the timing units mean?
Each listed sprint value is elapsed time in seconds over 40 yards. It is not a top speed reading, an agility drill time or a verified split for part of the run.
Does a blank result mean a slow run?
No. A blank means the reviewed source has no recorded time. It cannot establish a failed attempt, a slow run or the reason for a missing result.
Sources and review method
We checked the linked records for this update. Team and school reports can explain the event. Historical tables compile results and may leave fields empty. We keep that distinction visible and do not claim an affiliation with the source publishers.