Sorry, this question isn't about cycling training per se, but it's in the ballpark and this seemed like the most appropriate place to ask. I am a cyclist but I play other sports too. I always wear my Polar HR monitor with me. I'm 40. I was doing some football drills were I'd alternate between playing WR (running routes) and DB (covering receivers). This was after playing basketball for 45 min. My HR was climbing to 160-165 with the greatest of ease, i.e. after running just one pass route. This is somewhat standard for me after I have already been exercising for a while. So when I get back to run another route I feel fine (breathing out of my mouth but barely and I'm not out of breath or really laboring. Mind you I am breathing harder than at rest of course...but nothing at all near to feeling "out of breath"). So I look at my HR monitor and it says 165. I'm supposed to run another route but I'm afraid to because of my HR being so high and I know if I run another sprint when I'm 165, it'll balloon up to the upper 170s (at least). That scares me. Should it? Or should I go by how out of breath I am. Cause if I didn't have my HR monitor I felt perfectly ok to run another route when my monitor said I was at 165. Sure I was a bit heavy breathing, but not enough to stop me from running again.
Thanks in advanced for any input you have.
Thanks in advanced for any input you have.