Track your rides and runs via your iPhone, Android or GPS device, analyze your performance, and compare with friends.
Orny, I heard this on the radio the other day and it made me think of your hill rides https://www.npr.org/2017/11/12/563606283/the-crumbling-stairs-of-pittsburgh
Is true, there's hundreds of em, crumbling, forgotten by the city, but used daily, and many sidewalks turn into stairs on these hills too. While training for Dirty Dozen, talked to some folks doing a charity stairclimb up and down the Southside slopes. Why anyone ever built a city in this ludicrous topography is beyond me! ;^P