David Toms and Chad Campbell forge ahead

David Toms birdied the final hole for a tournament record, nine-under-par 61 to move into a share of the Sony Open lead with Chad Campbell after Saturday's third round.

Campbell, co-leader overnight, fired an eight-birdie 62 to end a relatively calm day of bright sunshine at Waialae Country Club level with fellow American Toms at 14-under 196.

The pair, playing in the final group with 1996 champion Jim Furyk, matched each other with sparkling approach play and ice-cool putting as the 2006 PGA Tour's second event developed into a two-horse race.

American journeyman Shane Bertsch, back on Tour for the third time after finishing eighth on last year's Nationwide Tour, was a distant seven strokes back in a share of third place with Bubba Watson. Bertsch carded a 63 and Watson a 66.

With his bogey-free display, Toms established a record tournament score at Waialae Country Club since the palm tree-lined layout was changed to a par-70 in 1999.

Four players -- John Cook, Steve Allan, Frank Lickliter II and Ernie Els -- have fired 62s at previous Sony Opens. Davis Love III holds the course record with a 12-under 60 in 1994.

"It was a good day and I got off to a decent start," the 39-year-old Toms told reporters.

"I felt the key to me having a good round was feeding off Chad Campbell. I was just trying to keep up.

"He drove the ball fantastically and didn't look like he was going to struggle at all in any part of his game.

"He was in control with what he was doing and I was surprised when he missed a fairway or didn't hit it close. I knew I had to stay close to him.

"But I felt like I was in control today," added the Louisiana-based player who is chasing his 12th victory on the PGA Tour.

"Conditions were a lot better today. You could score and l went out with the mentality that I could attack the golf course when I could, and I did."

Campbell, known for his own attacking style and ability to hit fairways and greens, conceded he was "in the zone" during his round.

"I got it in the fairway quite a bit today and you can really attack this golf course when you do that," the 31-year-old Texan said.

"I feel like I'm really patient right now and not getting upset with anything. I think you've just got to stay out of your own way and let it happen.

"I've just got to go out there tomorrow and control what I can control. I love this golf course."

Campbell, chasing his third PGA Tour career title, picked up his first shot of the day at the par-four third and then reeled off four birdies in a row from the seventh to get to 11 under.

Although he holed an eight-footer for birdie at the par-four 12th to move two ahead, Toms clawed one back with a birdie of his own on 13.

The pair traded birdies on 14 and 16, Toms holing putts from 35 feet and a monster of 75 feet from just short of the green, before Campbell was finally caught at the 551-yard last, his par trumped by a birdie-four.

Furyk, joint leader with Campbell overnight, initially fell off the pace after dropping four shots in the first eight holes.

However, the 2003 U.S. Open champion rallied with back-to-back birdies on 14 and 15 and another on 18 to climb into a share of fifth place at five under with South African Rory Sabbatini (67) and Charles Warren (64).

A further shot back in a nine-way tie for eighth was defending champion Vijay Singh, who made the day's first significant move when he charged round the front nine in five-under 30.

Five off the pace at the tournament's halfway point, the world number two gathered three birdies and an eagle-three at the ninth but lost momentum after the turn on his way to a 65.