Joe Durant birdied the par-4 18th hole Friday for a 3-under 68 and a share of the Senior British Open lead with Kohki Idoki.
The 52-year-old Durant birdied three of the first five holes on the back nine, the second two on the par-5 12th and 14th at Carnoustie Golf Links in 10-15 mph wind with some light rain.
Durant teamed with Billy Andrade to win the 2015 Legends of Golf for his lone PGA Tour Champions title. The four-time PGA Tour winner has five top-10 finishes this season, including a runner-up finish to Bernhard Langer in the major Constellation Senior Players in June.
Idoki, the 54-year-old Japanese player who won the 2013 Senior PGA Championship, had a 67 to match Durant at 7-under 137. He rebounded from a bogey on the par-4 17th with a chip-in birdie on 18.
Olin Browne (66), Jesper Parnevik (68), Carlos Franco (69), Tom Byrum (69) and Peter Fowler (69) were a stroke back, Mark O'Meara (70) topped the group at 5 under, and Tom Lehman (67) and Miguel Angel Jimenez (70) were another stroke behind.