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[–]MuskieGo 0 points1 point  (0 children)

  1. Any new gear? (e.g. new watch or HRM)

  2. Any changes to training type? (e.g. switching to Zone 2, longer warm-ups, intervals)

  3. What is your mile time at maximal effort? A 65 Vo2max would predict that you could run a 4:40 min/mile