PGA Tour records: Lowest 36-, 54- and 72-hole scores
PGA Tour

PGA Tour records: Lowest 18-, 36-, 54- and 72-hole scores

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With his first two rounds at the 2017 Sony Open in Hawaii, Justin Thomas set the all-time PGA Tour record for the lowest first 36-hole total in an event. Thomas shot 59 in the first round -- then the eighth sub-60 round in PGA Tour history -- and then backed it up with 64 to shoot 17-under 123 through the first two rounds at Waialae Country Club.

Thomas' mark passes the former record of 124, shot last by Jason Day at the 2015 BMW Championship with an 18-under total at Conway Farms near Chicago. That tied him with the 124 shot by Pat Perez on two different par-72 courses in the first two rounds of the 2009 Bob Hope Classic and David Toms, who did it at the 2011 Crowne Plaza Invitational on the par-70 Colonial Country Club course.

Thomas also matched the 54-hole scoring record, which is 188, first shot by Steve Stricker in the first three rounds of the 2010 John Deere Classic on the par-71 TPC Deere Run course.

TheĀ PGA Tour's 72-hole scoring record is 253, which Thomas shot en route to a 27-under total to win the 2017 Sony Open in Hawaii and Ludvig Aberg matched at the 2023 RSM Classic on 29-under total. Their mark passed the 254 shot by Tommy Armour III at the par-70 La Cantera Resort course in the 2003 Valero Texas Open.

The Tour's scoring record in relation to par for a 72-hole event is owned by Cameron Smith, who shot 34 under par on the par-73 Plantation Course at Kapalua at the 2022 Sentry Tournament of Champions in Hawaii. Jon Rahm finished in second on 33 under par, while Matt Jones was 32 under par.

Ernie Els was 31 under par on the Plantation Course at Kapalua at the 2003 Mercedes Championships in Hawaii. Jordan Spieth finished at 30 under par in an eight-shot win in the 2016 Hyundai Tournament of Champions on the same course.

Steve Stricker previously owned the record for the most under par in the first 72 holes of a tournament, as he was 33 under par for the first four rounds of the then-90-hole Bob Hope Classic in 2009.

The lowest 18-hole score for any round in PGA Tour history belongs to Jim Furyk, who shot 12-under 58 in the final round of the 2016 Travelers Championship at TPC River Highlands in Cromwell, Conn. Brandt Snedeker is the last player to shoot 59 in the PGA Tour in the first round of a tournament, doing so in the first round of the 2018 Wyndham Championship.

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