#108 Mailbag Episode! Running Goals Between Races, Shoes for 4+ Hour Marathons, the Best Beer Mile Shoe, and More
Doctors of Running Podcast
00:00
Easy Days
David: I'm reluctant to rely strictly on a zone because that implies a number and a range that you need to fall in. He says taking a look at the energy system and the relative effort that you're putting down is more important. David: People get paralyzed by actual heart rate and there's so many variables outside of your heart rate that can change day-to-day.
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