Dr McMarlin grew up as an Army-brat and an Eagle Scout and became a US naval officer after graduation from the United States Naval Academy. During and after college he was an avid rower and represented the United States in 1996 and 1997 on the US national rowing team including winning the 1996 Olympic Rowing Trials. He attended medical school in Philadelphia and residency in New England. After his career took him to rural Maine and inner-city Massachusetts, he headed to Virginia and DC for his orthopedics and sports medicine training. He is board-certified in primary care sports medicine/orthopedics. Although his practice is 100% Sports Medicine-Orthopedics, he has maintained certification in Family Medicine as well.
He's had the privilege of being the team physician for the DC United MLS soccer team, the Washington Nationals MLB baseball team, and has covered numerous high schools and college athletic teams and events. Dr McMarlin's sports coverage now is primarily with the US Dragonboat team, US canoe and kayak team and coverage of events at US national training centers.
He himself continues to be an active paddler in dragonboat, surf ski, and Standup paddling. In rowing and dragonboating Dr McMarlin has competed on 5 continents and has won innumerable medals including 9 World Championship gold medals.