Notes on Randall Wilber’s “Altitude Training and Athletic Performance” for runners

If you are interested in altitude training, Randall Wilber’s book “Altitude Training and Athletic Performance” is a fantastic read. I apologize for the lack of posts recently, but I’m recovering from arthroscopic hip surgery last week and am not up for doing a whole lot of sitting (in fact, I’m typing this out standing at … Read more

The Updated Training Wisdom of John Kellogg

John Kellogg is an enigmatic, immensely intelligent personality who is something of a legend in internet circles.  He is best known for coaching Weldon and Robert Johnson, the twin brothers who founded LetsRun.com. Weldon Johnson was a 4:28 miler in high school and a 30:14 10k runner in college whom Kellogg coached to a 28:06 10k … Read more

Fun with statistics: A tutorial on using linear regression to develop race time conversions

As you can see, I’ve been playing around with numbers recently.  “Conversion charts” intended to predict future race performances (or equivalent race times) based on a previous race abound on the internet and in running books.  But they often don’t have the race distance you are looking for.  And the various conversion tools runners use … Read more