Stairs

Did 4 sets of stairs today.. was asking dear how come he can do so fast... seems like no matter how I ran up, the timing is sort of stagnant there... maybe I should try going up 2 steps at a time instead of 1 at a time.. hmmm

Set 1: 2:03:21
Set 2: 2:01:73
Set 3: 2:03:35
Set 4: 2:02:50