Smash Notes
10 - EXTREME RUNNING

This Won't Hurt a Bit

10 - EXTREME RUNNING

Just how fast and how far can a human go? This week, the physiology and stories of extreme runners. Ultramarathon Man, Dean Karnazes tells us his extraordinary story. We find out about Diane Leather and we get some answers from sports writer David Epstein, and Sports Medicine Physician Dr Matt Baird.

Notes

  1. What Was More Impressive Than Robert Bannister’s 4-minute Mile Record at 3:02

    It was 23 days later when Diane Leather broke the record for running a mile under 5 minutes by running a mile in 4 minutes and 59.6 seconds. Full answer

  2. What Men's and Women's Mile Records Does This Won't Hurt a Bit Cite? at 5:31

    On This Won't Hurt a Bit's Extreme Running episode, the hosts say the men's one-mile record stands at three minutes 43 seconds, 18 seconds faster than Roger… Full answer

  3. Why Are Runners Faster Now at 7:20

    The reason why is because these records give people confidence to go out a little faster than they would otherwise. They now have something concrete to chase. Full answer

  4. How Fast Can a Person Actually Sprint? at 9:35

    The current 100-meter record is currently 9.58 seconds. From various recent work, speed is limited by the contraction speed of muscle fibers. Full answer

  5. What Is the Difference Between Elite Sprinters and an Ordinary Person at 10:30

    In about one tenth of a second or less, elite sprinters will put 5 times their body weight worth of force into the ground as quickly as possible. Full answer

  6. What Gives Us That Burning Feeling When We Run at 12:50

    A high level of lactate gives us this common burning feeling. Lactate acid is an acid that builds up with muscle use and muscle damage. Full answer

  7. What Happens to Us Physiologically When We Start to Train at 17:28

    Exercise is muscle use. As we use our muscles, it requires metabolic changes and more oxygen as we’re going from not using our muscles to using them. Full answer

  8. Which Illnesses Does This Won't Hurt a Bit Say Exercise Protects Against? at 20:55

    In This Won't Hurt a Bit episode 10, Extreme Running, host Jess tells Dave that exercise is protective against strokes, heart disease, diabetes, and maybe… Full answer

  9. When Do Marathon Runners Have a Chance to Eat or Go to the Bathroom at 25:57

    Runners eat on the fly. Usually, they’ll eat as they run. Full answer

  10. Where Does Running Discipline Come From at 28:44

    Dean Karnazes uses the basic technique of projection as a psychological tool to get him through the door. Full answer

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