Thomas also won the 2017 US PGA at Quail Hollow.
The Dane was at a loss for words after securing his first win since 2018.
The Dane holds a three-shot lead on 11 under par.
The tournament host is three shots off the lead at the halfway stage.
Eight birdies during his second round helped move the former Masters champion into a tie for second.
The Olympic gold medallist is dreaming of getting the sport on the national curriculum.
The Spaniard lost his cool.
Olesen carded six birdies and no bogeys in a superb 66 to top the leaderboard alongside New Zealand’s Ryan Fox.
The Northern Irishman finished the opening round with a three-under-par 67, two shots off the clubhouse lead.
Lee Westwood, Richard Bland and Phil Mickelson are among the players who are looking to compete in next months 25million US dollar event.
Olesen carded six birdies and no bogeys in a superb 66 at The Belfry.
The tournament is taking place at TPC Potomac in Maryland instead of Quail Hollow which is hosting the Presidents Cup later this year.
He has asked the PGA Tour and DP World Tour if he can play at the Centurion Club in June.
Bland is preparing to defend his Betfred British Masters title.
Rahm has not tasted victory since claiming his maiden major title in last year’s US Open.