Overview

• Bradley, the last to qualify, shot a 6-under 66 to lead the first round.
• Nicklaus, who designed Castle Pines, discussed the course's updates and challenges.
• The course, known for its elevation and length, is the longest in PGA Tour history.
• Top players like Rory McIlroy and Adam Scott also had strong starts.
• Weather interruptions briefly halted play, affecting several competitors.