Wayne Taylor Racing with Andretti Autosport began from pole position after Louis Delétraz set the fastest lap in the GTP class.
The CrowdStrike Racing by APR team of Ben Hanley, George Kurtz, and Nolan Siegel won the Le Mans Prototype 2 (LMP2) category with the TDS Racing Oreca 07 car of John Falb, Josh Pierson, and Giedo van der Garde in second.
30 JR III Motorsports Ligier JS P320 of Bijoy Garg, Nolan Siegel, and Garett Grist won the category.
WeatherTech Racing won the GTD Pro class with a Mercedes-AMG GT3 Evo driven by Maro Engel, Jules Gounon, and Daniel Juncadella.
The Forte Racing powered by US RaceTronics team of Misha Goikhberg, Patrick Liddy, and Loris Spinelli won the GTD class in a Lamborghini Huracán GT3 Evo 2.
The result meant Derani and Sims won the GTP Drivers' Championship by 21 points over Filipe Albuquerque and Ricky Taylor.
Colin Braun and Tom Blomqvist of the Meyer Shank Racing with Curb-Agajanian team finished third ahead of Campbell and Nasr in fourth.
GTD Pro class race winners Juncadella and Gounon passed Antonio García and Jordan Taylor to end the season in second place.
[1] The 2023 Petit Le Mans was the last of eleven scheduled sports car races of 2023 by IMSA, and it was the fourth round held as part of the Michelin Endurance Cup.
[5] This would be the final race for entry for Jr III Motorsports after team principle Billy Glavin was appointed general manager for United Autosports.
[6] It was the final IMSA appearance for Meyer Shank Racing as a result of pausing their sports car effort.
[14] With 3331 points, Bryan Sellers and Madison Snow had secured the GTD Drivers' Championship at the previous round, the IMSA Battle on the Bricks.
[24] In GTD Pro, AF Corse and Risi Competizione made their first appearances since the Watkins Glen round.
[28] The second practice session saw Bourdais topping the charts for Cadillac Racing, with a lap time of 1:09.671, ahead of Augusto Farfus in the No.
[32] Filipe Albuquerque led the last practice session for Wayne Taylor Racing with Andretti Autosport, with a lap time of 1:11.299.
27 car for Heart of Racing Team, 0.052 seconds faster than GTD Pro pole sitter Hawksworth.
10 Wayne Taylor Racing Acura was sixth overall and would start from pole position with a lap time of 1 minute, 15.402 seconds.
[46] Filipe Albuquerque and Ricky Taylor took the lead of the GTP Drivers' Championship by nine points over Derani and Sims.
[57] When racing resumed, several cars served drive-through penalties for changing lanes before crossing the start finish line.
1 Paul Miller Racing BMW crashed at turn 10b after colliding with Blomqvist's Acura and brought out the fourth full course caution.
38 Performance Tech Motorsports Ligier was spun around the by Triarsi Competizione Ferrari at turn three which required the eighth full course yellow.
6 Porsche sustained rear end damage against the barrier at turn three after he lost control, and went to the garage to retire from the race.
44 Magnus Aston Martin was beached in the gravel at turn 10 after Lally after making contact with Miguel Molina's No.
[71][72] The safety car was brought out for the eleventh time as barrier repairs were made and the stewards issued no penalty for Derani.
When racing resumed, Braun passed van der Zande around the outside of turn one for the overall lead while Derani overtook both the BMW M Team RLL entries.
Heylen's Porsche sustained rear-end damage and caught fire while Bortolotti stopped on track, bringing out the thirteenth (and) final caution forcing the race ended behind the safety car.
35 TDS Racing car of van der Garde, Pierson, and Falb in second followed by Loup Chatin, Keating, and Quinn in the No.
30 Jr III Motorsports Ligier of Grist, Siegel, and Garg took victory in LMP3 ahead of Bell, Fidani, and Kern in the No.
9 Pfaff Motorsports Porsche of Estre, Pilet, and Bachler, and third-position finishers Serra, Rigon, and Pier Guidi of Risi Competizione.
78 Forte Racing Lamborghini of Spinelli, Goikhberg, and Liddy took victory in GTD, ahead of Foley, Dinan, and Gallagher in the No.