Ender
Arch-Supremacy Member
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Hahaha, that's why I say once a runner can do an all out 5km run, go and do the threshold test and use threshold HR for zoning instead of maxHR.like that for 50yr old person,
75% of max heart rate based on (220-age) = 3/4 x (220-50) = approx.128.
must do 9-10min/km pace to achieve that. brisk walking liao.
That's why we see some runners show their Garmin screenshot that shows running at zone 5 for 30mins . I believe Garmin just use 220-age as default maxHR to zone your intensity zone if you didn't overwrite it .