An announcement in the August 6, 1904 issue of "The New York Times" indicated that the Metropolitan Association of the Amateur Athletic Union would hold a "special five-mile race" at Celtic Park on August 13, 1904 with the eight top finishers receiving a paid trip to compete in the marathon at the Olympic Games in St. Louis on August 30, 1904. Cohn was named as one of 19 "probable competitors" in the event.