The Van Cortlandt Stadium: the 400-meter track. In the background is the Van Cortlandt Public Swimming Pool, which opened in the 1970s; it is not one of the famous eleven WPA swimming pools that opened in 1936[1], but it was built with a federal grant[2].

References:

1. Parks' Swimming Pools, New York City Parks Department website.
2. Ultan, Lloyd, and Shelley Olson, The Bronx: The Ultimate Guide to New York City's Beautiful Borough, Rutgers University Press (2015), p.35.