Daydream Believer
Striker
My max heart rate tonight was 175 when doing 6 x 800m at 6 minute mile pace. I was working pretty hard!
On the working out I should be 194.
Still not flat out for as long as you can manage. There is a difference even when you feel like you're pushing hard. I can get a fair few reps of 800m out at a decent pace but can only manage just over 300m at a flat out sprint & the 2 heart rate measurements are about 15bpm apart.