Jay Birmingham, of Fleming Island FL, was a track and cross country coach and teacher (biology, human anatomy, physiology) for 27 years at both the college and high school level. He also ran a running store in Jacksonville, FL, early in the running boom. He retired in 2018 and, now 78, has resumed running every day, and taken up piano, guitar, cooking, gardening, writing and travel. Among his many running achievements, Birmingham still holds the record for a solo, unsupported USA Transcon run. In 1980, he covered 2,964 miles in 71 days, 22 hours, 59 minutes.
https://gcincyrunhistory.blogspot.com/2016/10/v1-46-jay-birmingham-usa.html