Revolving stair master I do 20-25 minutes 3 days a week level ten. By 8-10 minute mark I'm dripping sweat everywhere. Took me a few months to get up too 20 minutes.
yes very hard.
Ive tried all the elipticals and bikes nothing gets my heart rate up like the stepper.
Try walking the Bethpage Black course while carrying your bag
.
Just did 12 minutes ya bitches Soon to be 13 minutes.
Chambers Bay.