25 years of trail running has given me certain mobility skills negotiating busy streets and crowded sidewalks. I think of it as ballet. I jaywalk at every opportunity (which most pedestrians do not, surprisingly, do here in Manhattan). If I have to rush to get across an intersection and have my backpack on, I do a sort of shuffling run.
The city is in a good mood. This organism that is Manhattan definitely has its moods, depending on weather, world affairs, planetary influence, and other intangibles. Check out this lovely little park on the Lower East Side; birds were singing loudly in the trees: