Photos of Washington Nationals' parade, Breeders' Cup and New York City marathon

ARCADIA, CALIF. — Mongolian Groom (pictured above) was euthanized after running in the $6 million Classic at the Breeders' Cup at Santa Anita Park, the 37th horse to die at the track since December.

• What they're saying: "I'll tell you — talk about a sport whose time is up unless they reform," California Gov. Gavin Newsom recently told reporters. "[T]he willingness to just to spit these animals out and literally take their lives is a disgrace."

NEW YORK — "It's entirely possible that every big city is at its best on marathon day," writes the New York Times' Matthew Futterman.

• "[T]his mass of humanity lining up and traversing 26.2 miles ... as another mass of humanity cheers them on, is unique to this period in human history. This sort of thing didn't happen 200 or 500 or 10,000 years ago. Their loss."
• The winners: Geoffrey Kamworor (2:08:13) and Joyciline Jepkosgei (2:22:38) completed a Kenyan sweep.