Hal Higdon has written over 34 books, most notably Marathon the Ultimate Training Guide (https://amzn.to/3pCU1Si) and created several training programs, that can be found on his site – Run with Hal https://www.halhigdon.com/. Hal competed 8 times in the Olympic Trials, his best performance came in 1960, when he finished 5th in the 3,000-meter steeplechase. He has run over 110 marathons, his best clocking his best performance in the 1964 Boston Marathon, where Hal placed 5th overall, after leading through the first 19 miles and crying at the finish line – tears of heartache and joy. Heartache from not winning and joy from setting his best time. In 1975 Hal set a World Masters Championship M40 record of 9:18.6 in the steeplechase, which holds as the longest standing American Masters record. Hal has been running competitively for 75 years and shares with us what he has learned about training and nutrition.