The Canadian broke through for his first PGA Tour victory in the 2017 Valspar Championship a couple of months after he carded a 59 in the third round of the CareerBuilder Challenge in Rancho Mirage, Calif. Hadwin edged 2011 U.S. Amateur runner-up Patrick Cantlay by one stroke. It was his 12th win as a professional. His father, Gerry, is a club professional who joined the Canadian PGA in 1979. Adam attended the University of Louisville, where he earned honorable-mention All-America honors in 2009. He also was a member of the 2017 and 2019 International Presidents Cup Teams.
U.S. Open Record
| YEAR | SITE | SCORES | TO PAR | FINISH |
| 2020 | Winged Foot Golf Club (West Course) | 72-73-74-80--299 | +19 | 54 |
| 2018 | Shinnecock Hills Golf Club | 83-75 | +18 | MC |
| 2017 | Erin Hills | 68-74-75-80--297 | +9 | T-60 |
| 2013 | Merion Golf Club | 81-76 | +17 | MC |
| 2011 | Congressional Country Club | 75-71-73-68--287 | +3 | T-39 |