Spieth on record-setting run at Augusta National

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- Spieth on record-setting run at Augusta National
  April 10, 2015
  By PGATOUR.COM Staff Follow @PGATOUR
- Jordan Spieth is No. 2 in the FedExCup. (Andrew Redington/Getty Images)
AUGUSTA, Ga. -- Jordan Spieth didn't slow down in the Masters' second round, shooting 66 to post a record-setting total of 14-under 130.

He has made 15 birdies and just a lone bogey (No. 15, first round) in the first 36 holes. He was bogey-free on Friday.

Charley Hoffman is in second place after posting a 9-under 135 (67-68) that ended with a bogey at No. 18. Spieth's five-shot lead ties the Masters record for largest 36-hole lead.

"I just need to keep my head down and set a goal for myself," Spieth said. "Who knows what can happen on the weekend here. They don't like seeing low scores here, so they might speed the greens up. It may play more challengeing this weekend, and I need to be prepared for that."

Justin Rose, Dustin Johnson and Paul Casey are tied for third, seven shots behind Spieth.

Raymond Floyd set the Masters record for low opening 36 holes when he shot 131 (65-66) in 1976, en route to an eight-shot win during which he tied the tournament's 72-hole scoring record (271). Tiger Woods broke that record by one stroke in 1997.

Spieth started Friday with a three-shot lead. He made his first birdie Friday at the par-5 second hole, then hit his 183-yard approach shot at No. 5 to 18 feet and made the putt for his second birdie of the day. He also birdied the par-5 eighth and made the turn in 33.

Spieth made birdie at No. 10 after hitting his 180-yard to 18 feet. He had to lay up on the par-5 13th after hitting his tee shot into the trees, but wedged to 8 feet and made the putt for his fifth birdie of the day. His final birdie came at the par-5 15th, where he layed up before hitting his third shot to 8 feet again.

Spieth can tie the Masters' 72-hole scoring record with a 4-under 140 total on the weekend. If Spieth, 21, holds on to win, he would be the second-youngest champion in Masters' history.

The Masters record for largest 36-hole lead is five shots, which was done three times (Herman Keiser, 1946; Jack Nicklaus, 1975; Raymond Floyd, 1976) before this year. All three players went on to win.