15.7 seconds to run 100 meters on all fours is pretty impressive, https://www.youtube.com/watch?v=F3h0AkNNP70 https://www.youtube.com/watch?v=F3h0AkNNP70 Seems

15.7 seconds to run 100 meters on all fours is pretty impressive, https://www.youtube.com/watch?v=F3h0AkNNP70 https://www.youtube.com/watch?v=F3h0AkNNP70 Seems like it would be hard on the wrists.