The NFL Combine consists of interviews, media appearances and on-field drills but none is as big as the 40-yard dash. Whether it's watching speedy defensive backs or 300-pound offensive linemen, fans can't seem to run from (get it?) their need for speed. And, depending on the position group, a player can significantly impact his draft stock in a matter of seconds, especially if he can run a time that separates him from the pack.
Who can improve draft stock the most: All position groups
The Rules: Players are given two opportunities to run the 40-yard dash inside Lucas Oil Stadium. Teams can take the best of the two times or average them. Since 1999, times have been recorded electronically.
Current NFL Combine record: Wide receiver John Ross, 4.22 seconds (2017)*
*Fastest time recorded electronically
Here are some current Texans who excelled in the 40-yard dash portion of their NFL Combine performance:
Johnathan Joseph (2006) – 4.31
Will Fuller V (2016) – 4.32
Kenny Stills (2013) – 4.38
Bradley Roby (2014) – 4.39
Lamar Miller (2012) – 4.4
The 2020 NFL Scouting Combine takes place Tuesday, February 25 through Sunday, March 1. On-field drills begin on Thursday, February 27 at Lucas Oil Stadium in Indianapolis.
Check out shots of current Texans offensive players from previous NFL Combines. (Photos via AP Images)

Clemson quarterback Deshaun Watson runs a drill at the NFL football scouting combine Saturday, March 4, 2017, in Indianapolis. (AP Photo/David J. Phillip)

Clemson receiver DeAndre Hopkins runs a drill at the NFL football scouting combine in Indianapolis, Sunday, Feb. 24, 2013. (AP Photo/Michael Conroy)

Notre Dame receiver Will Fuller V runs a drill at the NFL football scouting combine on Saturday, Feb. 27, 2016, in Indianapolis. (AP Photo/Darron Cummings)

Mississippi offensive lineman Laremy Tunsil runs a drill during the 2016 NFL Scouting Combine on Friday, Feb. 26, 2016 in Indianapolis. (Perry Knotts via AP)

Clemson receiver DeAndre Hopkins runs a drill at the NFL football scouting combine in Indianapolis, Sunday, Feb. 24, 2013. (AP Photo/Michael Conroy)

Oklahoma receiver Kenny Stills runs a drill during the NFL football scouting combine in Indianapolis, Sunday, Feb. 24, 2013. (AP Photo/Dave Martin)

Miami running back Duke Johnson runs a drill at the NFL football scouting combine in Indianapolis, Saturday, Feb. 21, 2015. (AP Photo/David J. Phillip)

Alabama State offensive lineman Tytus Howard runs a drill at the NFL football scouting combine in Indianapolis, Friday, March 1, 2019. (AP Photo/Michael Conroy)

Clemson quarterback Deshaun Watson is seen in a drill at the 2017 NFL football scouting combine Saturday, March 4, 2017, in Indianapolis. (AP Photo/Gregory Payan)

Northern Illinois offensive lineman Max Scharping runs a drill at the NFL football scouting combine in Indianapolis, Friday, March 1, 2019. (AP Photo/Michael Conroy)

Mississippi State tight end Jordan Thomas runs a drill at the NFL football scouting combine in Indianapolis, Saturday, March 3, 2018. (AP Photo/Michael Conroy)

Notre Dame receiver Will Fuller runs a drill at the NFL football scouting combine, Saturday, Feb. 27, 2016, in Indianapolis. (AP Photo/L.G. Patterson)

Notre Dame offensive lineman Nick Martin runs a drill at the NFL football scouting combine in Friday, Feb. 26, 2016, in Indianapolis. (AP Photo/Darron Cummings)

Texas Tech wide receiver Keke Coutee runs the 40-yard dash during the NFL football scouting combine, Saturday, March 3, 2018, in Indianapolis. (AP Photo/Darron Cummings)

Tennessee offensive lineman Zach Fulton runs a drill at the NFL football scouting combine in Indianapolis, Saturday, Feb. 22, 2014. (AP Photo/Michael Conroy)

Oklahoma receiver Kenny Stills runs a drill during the NFL football scouting combine in Indianapolis, Sunday, Feb. 24, 2013. (AP Photo/Dave Martin)

Clemson quarterback Deshaun Watson throws a pass during the 2017 NFL Scouting Combine at Lucas Oil Stadium on Saturday, March 4, 2017 in Indianapolis. (Perry Knotts via AP)

Clemson receiver DeAndre Hopkins runs a drill during the NFL football scouting combine in Indianapolis, Sunday, Feb. 24, 2013. (AP Photo/Dave Martin)

Washington offensive lineman Senio Kelemete runs a drill at the NFL football scouting combine in Indianapolis, Saturday, Feb. 25, 2012. (AP Photo/Michael Conroy)

Clemson quarterback Deshaun Watson is seen after a drill at the 2017 NFL football scouting combine Saturday, March 4, 2017, in Indianapolis. (AP Photo/Gregory Payan)

Clemson receiver DeAndre Hopkins runs a drill at the NFL football scouting combine in Indianapolis, Sunday, Feb. 24, 2013. (AP Photo/Michael Conroy)

San Diego State tight end Kahale Warring runs a drill at the NFL football scouting combine in Indianapolis, Saturday, March 2, 2019. (AP Photo/Michael Conroy)

Clemson receiver DeAndre Hopkins runs a drill during the NFL football scouting combine in Indianapolis, Sunday, Feb. 24, 2013. (AP Photo/Dave Martin)

USC wide receiver Steven Mitchell runs a drill at the NFL football scouting combine in Indianapolis, Saturday, March 3, 2018. (AP Photo/Michael Conroy)

Mississippi offensive lineman Laremy Tunsil runs a drill at the NFL football scouting combine in Indianapolis, Friday, Feb. 26, 2016. (AP Photo/Michael Conroy)

Clemson quarterback Deshaun Watson runs the 40-yard dash at the NFL football scouting combine in Indianapolis, Saturday, March 4, 2017. (AP Photo/Michael Conroy)

Clemson receiver DeAndre Hopkins runs a drill during the NFL football scouting combine in Indianapolis, Sunday, Feb. 24, 2013. (AP Photo/Dave Martin)

Notre Dame receiver Will Fuller runs the 40-yard dash at the NFL football scouting combine on Saturday, Feb. 27, 2016, in Indianapolis. (AP Photo/Darron Cummings)

Clemson quarterback Deshaun Watson warms up during the 2017 NFL Scouting Combine at Lucas Oil Stadium on Saturday, March 4, 2017 in Indianapolis. (Perry Knotts via AP)

Notre Dame receiver Will Fuller runs a drill at the NFL football scouting combine, Saturday, Feb. 27, 2016, in Indianapolis. (AP Photo/L.G. Patterson)

Miami running back Lamar Miller runs the 40-yard dash at the NFL football scouting combine in Indianapolis, Sunday, Feb. 26, 2012. (AP Photo/Michael Conroy)

Alabama quarterback AJ McCarron throws during a drill at the NFL football scouting combine in Indianapolis, Sunday, Feb. 23, 2014. (AP Photo/Michael Conroy)