GARMIN LACTATE THRESHOLD TEST
18:49
VO2 Max + Lactate Test (is my Garmin watch accurate?)
5:33
WTF Is Threshold Running?
4:38
Age Related Heart Rate Formulas Don't Work, Use THIS Instead
11:07
What Is My Max Heart Rate?
16:50
I Did Exactly What My Garmin Told Me For 30 Days - This Is What Happened
27:32
VO2 MAX & LACTATE THRESHOLD TEST | How accurate is Garmin?
18:10
Forget EVERYTHING You Know About Heart Rate, Do THIS Instead.
12:47