When I did HIIT it was sprints in the park.
110% of what?10 sec at 110% then 50 seconds jog.
its killer
Last night, 18kg cycling
no, it was a joke.
It was supposed to say 18km (how far I rode), bike not that heavy.
No bike today weighs 18kg
) it feels like i am doing 50 kms per hour at full speed