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I began using the heart rate to evaluate all exercising patients, and by the early 1980s developed a formula that anyone could use with their heart monitor to help build an aerobic base. This “180 Formula” enables athletes to find the ideal maximum aerobic heart rate in which to base all aerobic training.
Philip Maffetone • The Big Book of Endurance Training and Racing
Hal Koerner's Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond
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Tutorial from one of the world’s best, @StuartMcMillan1
https://t.co/xtr94iDwYE https://t.co/suVDuxTaXJ
After hundreds of tests and several racing seasons, it was evident that the pace a runner could perform at his or her max aerobic heart rate—the MAF Test—was positively correlated with race pace. I collected more data for 5K and 10K distances and charted this information
Philip Maffetone • The Big Book of Endurance Training and Racing
