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This Wearable Data Reveals the Training Strategies That Improve VO2 Max the Most
Runner's World analyzed Apple Watch and Coros user data to explore which training factors most improve VO2 max. Coros North American user data shows running 4 days a week is associated with a 0.1% change in VO2 max over 12 weeks, while 6 days a week is 0.4%; running 40K to 60K per week corresponds to a 0.2% change, and over 100K to 0.5%.
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