It's Boston Marathon Day aka Patriots Day! A 26.2mi race! PhD*Son is running in the first wave.
It's going to be grueling for the runners with beating sunshine and hitting 71°F for Heartbreak Hill.
The saving grace may be a west wind blowing 14-17mph, since they're running east. 🐰
Here he is, in the red cap, a half mile to the finish line in 2016: