Adam Hadwin Leads US Open; Rory McIlroy One Shot Back

Adam Hadwin of Canada reacts on the ninth green during round one of the 122nd U.S. Open Championship at The Country Club in Brookline, Mass., on June 16, 2022. Warren Little/Getty Images

Adam Hadwin of Canada fired a 4-under-par 66 late Thursday to secure the first-round lead in the U.S. Open at The Country Club in Brookline, Mass.

Hadwin moved ahead of Rory McIlroy, who shared the lead at the conclusion of his round and ended up in a five-way tie for second place at 3-under 67.