Support WBURThey ran the 1st New York City Marathon. Only one returns for the 50thAimee BergNovember 03, 2021 ShareLarry Trachtenberg, one of the original athletes that completed the first New York City Marathon in 1970, will run the marathon's 50th edition this year. He kept his training log from the 1970 marathon. (Desiree Rios for NPR; Larry Trachtenberg)