how to run an 8 minute mile
Intervals 20 minutes of low-intensity with five 20-second bursts of high-intensity. For example if youre targeting a sub-330 marathon time you can easily see that youll need to run 800 per mile or fa…
Intervals 20 minutes of low-intensity with five 20-second bursts of high-intensity. For example if youre targeting a sub-330 marathon time you can easily see that youll need to run 800 per mile or fa…
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