In this video, I have no choice but to run a fartlek on the treadmill. It’s late at night and, because of the darkness, I can’t run in a …
Run a Fartlek on a Treadmill? | Team Run Strong #3
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In this video, I have no choice but to run a fartlek on the treadmill. It’s late at night and, because of the darkness, I can’t run in a …