What A Fartlek Really Is
38:02–39:21 · 79s
Kim demystifies fartleks with a clear, watch-free approach, turning them into a fun, sneaky threshold workout with memorable coaching cues.
38:02–39:21 · 79s
Kim demystifies fartleks with a clear, watch-free approach, turning them into a fun, sneaky threshold workout with memorable coaching cues.
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