Woodland was part of a crowded leaderboard Friday when he pulled away with five straight birdies.
"So it was a bit unusual", he said.
He'll do the same on Sunday, when he'll be seeking a fourth US PGA Tour title. He moved to No. 6 in the world.
"He knows he could kick my (tail) if he wanted to", Schauffele said. "I'll use all those experiences to my advantage and take what I can from them", he said.
Schauffele, the 2017 PGA Tour Rookie of the Year, has won all four of his titles in come-from-behind fashion.
But he has failed to convert each of his previous four 36-hole leads into victories. Kapalua presented the biggest deficit at five shots.
Woodland began the day three clear but saw his lead reduced to two when McIlroy chipped to tap-in range at the third, before the pair exchanged two-putt birdies at the par-five fifth. He holed a wedge from 107 yards for another eagle on No. 12. "You have an iron into the par 5 in the middle of the fairway on the last hole, you expect to make birdie".
"It was a insane day", Schauffele said. I knew it was going to be back and forth. "That's been tough", Woodland said. While the Plantation course lends itself to wild swings in scoring, no one has ever lost a three-shot lead after 54 holes since the winners-only tournament moved here in 1999.
"She's been downhill for a little while now", Woodland said.
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Hours later, he tweeted that she and fellow freshman congresswoman Rashida Tlaib had "hard-to-remember names", a remark that commenters denounced as "racist".
"I always have birdies in me, which is good, I just need to not miss one-foot putts", Day said. His shot of the day came on the par-5 15th when he drained a 63-foot eagle putt to create separation between him and the field. "It was nice to see that long one go in on the par five there on the back, nice to finish with a birdie here on 18". He tapped in for birdie and a 62, posting a target of 23-under 269.
Thomas closed with a 65 to finish alone in third. But he found no consolation in losing to a guy who shot 62 in the tougher of the two wind directions on the west end of Maui.
But he added: "I don't think anyone could have lived with Xander today". I had killed the par-5s all week this week, which is what you got to do out here.
"You kind of look around and realize you have nothing to lose", Schauffele said, who is now the first multiple victor of the 2018-19 season. I got that phone call late last night.
He played in the final group with Woodland, three shots behind, knowing he had played in the final group six times a year ago without winning.
"I gave myself plenty of chances, just couldn't get anything to drop", McIlroy said.
"Until you're world No.1, you're chasing".
Leishman finished tied-fourth in the US PGA Tour's year-opening Tournament of Champions at Kapalua resort in Hawaii today, never threatening to win but still managing his game well.