The 607th-ranked player broke through on the Blue Course to finish 17 under in Tiger Woods' annual tournament. Hurley held off multiple major champions Vijay Singh and Ernie Els and 21-year-old Jon Rahm.
Hurley grew up in Leesburg, Virginia, and lives in nearby Annapolis. He earned $1,242,000 and qualified for the British Open. He had never finished higher than a tied for fourth in a PGA Tour event.
The 53-year-old Singh was second after a 65.