Improve and Increase Speed with This Drill ⚡

Jan 28, 2026 4:32 pm

Coach ,


We all have our favorite drills to improve speed, I had to share one that Coach Chris Korfist uses with clients that helped one of his NNL clients increase 1.5 MPH.


Detriot Lion's RB David Montgomery ran 4.64 at his pro day combine back in 2019. This run likely cost him millions of dollars as he dropped into the 3rd round before being selected by the Chicago Bears. After his rookie season, Montgomery reached out to Chris Korfist and began training with the Sprint Coach. Korfist credits one drill for addressing David’s biggest weaknesses.


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Drill to Improve David Montgomery


There are two variations of this key exercise


  1. Bent Knee 
  2. Straight Leg


Understanding when and why to use each one to address is paramount to sprint success. In this clip Chris Korfist explains the uses of both variations and why he applies the exercise when he does. 


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Utilization Concepts


Want to thank Coach Chris Korfist for sharing. To learn more about what makes Chris one of the most sought-after speed coaches you can check out some of his programs here--->


Never get out-coached!



The Coaches Clinic Team of Coaches helping Coaches


P.S. Hear Coach Korfist live as well as many of the top speed coaches like Mo Wells, Brian Kula, and many others share next week at the Speed Summit---> Just 25 bucks


https://summit.footballspeed.com/

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