There are no magic paces (or black holes)
Back in the 1990s, a lot of runners talked about running at VO2max pace or lactate threshold pace or some other specific pace. We were told that you needed to run at that specific pace in order to get the best benefit from a workout. If you ran between these magical paces, you were putting in extra effort for no added benefit.
How right were we about those things, though?
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