Goes up to 190 when I run!
But considering the max safe sustainable heart rate is approx 220-age, it shouldn't be an issue
[DOD]Asprilla;14468374 said:Define 'sustainable'. The 220-age is roughly peak heat rate, not your sustainable heart rate for exercise.
If I'm running then I'm aiming for an HR of around 155-165, but I know it can peak at 195 if I'm sprinting.