https://blogs.mercola.com:443/sites/vitalvotes/archive/2016/09/01/how-to-determine-your-max-heart-rate.aspxFor many athletes, it is important to know if you're working at your maximum heart rate. An article posted by Rodale Wellness shows us the best way to achieve your maximum heart rate. HIIT YOUR OPTIMAL WORKOUT LEVEL! The common formula for obtaining yourenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)https://blogs.mercola.com:443/sites/vitalvotes/archive/2016/09/01/how-to-determine-your-max-heart-rate.aspx?ShowAllComments=True#8000539/1/2016 10:23:20 AM24451277-a5aa-4add-96dc-64081bfd86fa:800053Zokambaa<p>This is actually pretty close... I tested a couple times with a heart rate monitor and am only 5 beats off the calculation.... but then I was really pushing it</p>