grouse grind attempt 3

I had my third grouse grind last saturday, in an attempt to improve my last one's time of 1hour 40 minutes. And hard work paid off, I did it in just 1 hour 26 minutes. It's still far from my target time of doing the grind in just over an hour, but it definitely is a big improvement from the previous attempt made around 3 weeks ago. I think my regular walking exercise has paid off (at least 10 minutes of it anyway). I'm gonna start doing stairs on my way to the 13th floor of my building in another attempt to help me shape up for my next grouse grind (either this coming weekend or the following weekend).