[domepro]

Gym for sure is not the best way, but I'm not really lifting heavy weights, it's more of a work on calisthenics, some cardio (usually rowing) and some mobility exercises with the occasional compound lift here and there, cycling is just my preferred cardio for multiple reasons - I can actually travel moderate distances as opposed to running, it's lower impact and I find it much more relaxing than running for instance.

Also, I'm not sure if you understood correctly - I've hit my 194 when I was out of shape and stepped on my bike and tried to climb the tiny hill (after doing about 20km or so). After about 200m of distance with about a 6% gradient, my HR was 194 and I had to step off the bike, my lungs felt like they were extending from my groin all the way to my upper arms on boths sides :D.

After going to the gym for two years I've never seen more than 187 during the HIIT sessions that we had (usually it's something along the lines 20 calories max effort rowing with 15-30 seconds rest, anywhere from 6-10 series) so my experience directly contradicts what has happened to him.

[oriolid]

Yes, sounds like the 194 could have some extra from stress or something interfering with the measurement and 187 would be the usual maximum.