Rolex 24 Hour 16: Cadillacs 1-2, Acuras 3-4 at 2/3rds Mark
Tristan Nunez had the #31 Whelen Cadillac out front at the Rolex 24 hit the 2/3rds Mark at Daytona.
Nunez held a 6-second lead over the #5 Cadillac of Tristan Vautier.
The two Acuras of Simon Pagenaud (#60 Meyer Shank Racing) and Will Stevens (#10 Wayne Taylor Racing) were 13 and 16s back respectively in 3rd and 4th.
Other Class Leaders at 16 Hours.
LMP2: #81 ORECA with Colton Herta at the wheel
LMP3: #74 Ligier JS with Felie Fraga at the wheel
GTD-Pro: #9 Porsche with Mathieu Jaminet at the wheel
GTD: #70 McLaren with Ollie Millroy at the wheel
Hour 16 Standings
| Pos | No. | Class | CLP | Team | Car | Drivers | Laps | Behind | |||
| 1 | 31 | DPi | 1 | Whelen Engineering Racing | Cadillac DPi | Pipo Derani | Tristan Nunez | Mike Conway | 496 | 482 | |
| 2 | 5 | DPi | 2 | JDC Miller MotorSports | Cadillac DPi | Tristan Vautier | Richard Westbrook | Loic Duval | Ben Keating | 496 | 5.885 |
| 3 | 60 | DPi | 3 | Meyer Shank Racing W/Curb-Agajanian | Acura DPi | Oliver Jarvis | Tom Blomqvist | Helio Castroneves | Simon Pagenaud | 496 | 15.187 |
| 4 | 10 | DPi | 4 | Konica Minolta Acura ARX-05 | Acura DPi | Ricky Taylor | Filipe Albuquerque | Alexander Rossi | Will Stevens | 496 | 17.109 |
| 5 | 02 | DPi | 5 | Cadillac Racing | Cadillac DPi | Earl Bamber | Alex Lynn | Marcus Ericsson | Kevin Magnussen | 496 | 25.810 |
| 6 | 81 | LMP2 | 1 | DragonSpeed USA | ORECA LMP2 07 | Eric Lux | Devlin Defrancesco | Patricio O’Ward | Colton Herta | 490 | 6 Laps |
| 7 | 8 | LMP2 | 2 | Tower Motorsport | ORECA LMP2 07 | John Farano | Louis Deletraz | Rui Pinto de Andrade | Ferdinand Habsburg-Lothringen | 489 | 7 Laps |
| 8 | 29 | LMP2 | 3 | Racing Team Nederland | ORECA LMP2 07 | Frits Van Eerd | Giedo van der Garde | Dylan Murry | Rinus Veekay | 489 | 7 Laps |
| 9 | 52 | LMP2 | 4 | PR1 Mathiasen Motorsports | ORECA LMP2 07 | Ben Keating | Mikkel Jensen | Scott Huffaker | Nicolas Lapierre | 489 | 7 Laps |
| 10 | 68 | LMP2 | 5 | G-Drive Racing By APR | ORECA LMP2 07 | Francois Heriau | Oliver Rasmussen | Ed Jones | Rene Rast | 482 | 14 Laps |
| 11 | 22 | LMP2 | 6 | United Autosports | ORECA LMP2 07 | James McGuire | Guy Smith | Phil Hanson | Will Owen | 479 | 17 Laps |
| 12 | 11 | LMP2 | 7 | PR1 Mathiasen Motorsports | ORECA LMP2 07 | Steven Thomas | Josh Pierson | Jonathan Bomarito | Harry Tincknell | 478 | 18 Laps |
| 13 | 18 | LMP2 | 8 | Era Motorsport | ORECA LMP2 07 | Dwight Merriman | Kyle Tilley | Ryan Dalziel | Paul-Loup Chatin | 478 | 18 Laps |
| 14 | 48 | DPi | 6 | Ally Cadillac | Cadillac DPi | Mike Rockenfeller | Kamui Kobayashi | Jimmie Johnson | Jose Maria Lopez | 474 | 22 Laps |
| 15 | 74 | LMP3 | 1 | Riley Motorsports | Ligier JS P320 | Gar Robinson | Felipe Fraga | Kay van Berlo | Michael Cooper | 473 | 23 Laps |
| 16 | 54 | LMP3 | 2 | CORE Autosport | Ligier JS P320 | Jon Bennett | Colin Braun | George Kurtz | Nic Jonsson | 471 | 25 Laps |
| 17 | 33 | LMP3 | 3 | Sean Creech Motorsport | Ligier JS P320 | Joao Barbosa | Malthe Jakobsen | Seb Priaulx | Lance Willsey | 471 | 25 Laps |
| 18 | 36 | LMP3 | 4 | Andretti Autosport | Ligier JS P320 | Jarett Andretti | Josh Burdon | Rasmus Lindh | Gabby Chaves | 471 | 25 Laps |
| 19 | 13 | LMP3 | 5 | AWA | Duqueine D08 | Orey Fidani | Kuno Wittmer | Lars Kern | Matthew Bell | 471 | 25 Laps |
| 20 | 69 | LMP2 | 9 | G-Drive Racing By APR | ORECA LMP2 07 | John Falb | James Allen | Luca Ghiotto | Tijmen van der Helm | 469 | 27 Laps |
| 21 | 9 | GTDPRO | 1 | Pfaff Motorsports | Porsche 911 GT3R | Matt Campbell | Mathieu Jaminet | Felipe Nasr | 467 | 29 Laps | |
| 22 | 2 | GTDPRO | 2 | KCMG | Porsche 911 GT3R | Laurens Vanthoor | Patrick Pilet | Dennis Olsen | Alexandre Imperatori | 467 | 29 Laps |
| 23 | 62 | GTDPRO | 3 | Risi Competizione | Ferrari 488 GT3 | Alessandro Pier Guidi | James Calado | Daniel Serra | Davide Rigon | 467 | 29 Laps |
| 24 | 97 | GTDPRO | 4 | WeatherTech Racing | Mercedes-AMG GT3 | Cooper MacNeil | Daniel Juncadella | Maro Engel | Jules Gounon | 467 | 29 Laps |
| 25 | 14 | GTDPRO | 5 | VasserSullivan | Lexus RC F GT3 | Jack Hawksworth | Ben Barnicoat | Kyle Kirkwood | 467 | 29 Laps | |
| 26 | 15 | GTDPRO | 6 | Proton USA | Mercedes-AMG GT3 | Dirk Mueller | Patrick Assenheimer | Austin Cindric | 467 | 29 Laps | |
| 27 | 70 | GTD | 1 | inception racing | McLaren 720S GT3 | Brendan Iribe | Frederik Schandorff | Ollie Millroy | Jordan Pepper | 464 | 32 Laps |
| 28 | 16 | GTD | 2 | Wright Motorsports | Porsche 911 GT3R | Ryan Hardwick | Zacharie Robichon | Jan Heylen | Richard Lietz | 464 | 32 Laps |
| 29 | 57 | GTD | 3 | Winward Racing | Mercedes-AMG GT3 | Russell Ward | Philip Ellis | Mikael Grenier | Lucas Auer | 464 | 32 Laps |
| 30 | 44 | GTD | 4 | Magnus Racing | Aston Martin Vantage GT3 | John Potter | Andy Lally | Spencer Pumpelly | Jonathan Adam | 463 | 33 Laps |
| 31 | 66 | GTD | 5 | Gradient Racing | Acura NSX GT3 | Kyffin Simpson | Till Bechtolsheimer | Marc Miller | Mario Farnbacher | 463 | 33 Laps |
| 32 | 42 | GTD | 6 | NTE/SSR | Lamborghini Huracan GT3 | Don Yount | Benja Hites | Jaden Conwright | Markus Palttala | 463 | 33 Laps |
| 33 | 32 | GTD | 7 | Gilbert Korthoff Motorsports | Mercedes-AMG GT3 | Mike Skeen | James Davison | Stevan McAleer | Scott Andrews | 463 | 33 Laps |
| 34 | 21 | GTD | 8 | AF CORSE | Ferrari 488 GT3 | Simon Mann | Luis Perez Companc | Nicklas Nielsen | Toni Vilander | 462 | 34 Laps |
| 35 | 19 | GTD | 9 | TR3 Racing | Lamborghini Huracan GT3 | Bill Sweedler | John Megrue | Giacomo Altoe | Jeff Segal | 461 | 35 Laps |
| 36 | 64 | GTD | 10 | TeamTGM | Porsche 911 GT3R | Ted Giovanis | Hugh Plumb | Matt Plumb | Owen Trinkler | 459 | 37 Laps |
| 37 | 25 | GTDPRO | 7 | BMW M Team RLL | BMW M4 GT3 | Connor De Phillippi | John Edwards | Augusto Farfus | Jesse Krohn | 457 | 39 Laps |
| 38 | 01 | DPi | 7 | Cadillac Racing | Cadillac DPi | Renger van der Zande | Sebastien Bourdais | Scott Dixon | Alex Palou | 454 | 42 Laps |
| 39 | 3 | GTDPRO | 8 | Corvette Racing | Chevrolet Corvette C8.R GTD | Antonio Garcia | Jordan Taylor | Nicky Catsburg | 454 | 42 Laps | |
| 40 | 27 | GTD | 11 | Heart of Racing Team | Aston Martin Vantage GT3 | Roman De Angelis | Ian James | Darren Turner | Tom Gamble | 453 | 43 Laps |
| 41 | 26 | LMP3 | 6 | Muehlner Motorsports America | Duqueine D08 | Nolan Siegel | Cameron Shields | CR Crews | Ugo de Wilde | 451 | 45 Laps |
| 42 | 71 | GTD | 12 | T3 Motorsport North America | Lamborghini Huracan GT3 | Misha Goikhberg | Franck Perera | Mateo Llarena | Maximilian Paul | 449 | 47 Laps |
| 43 | 24 | GTDPRO | 9 | BMW M Team RLL | BMW M4 GT3 | Philipp Eng | Marco Wittmann | Nick Yelloly | Sheldon van der Linde | 429 | 67 Laps |
| 44 | 99 | GTD | 13 | Team Hardpoint | Porsche 911 GT3R | Rob Ferriol | Katherine Legge | Stefan Wilson | Nick Boulle | 429 | 67 Laps |
| 45 | 79 | GTDPRO | 7 | WeatherTech Racing | Porsche 911 GT3R | Cooper MacNeil | Julien Andlauer | Matteo Cairoli | Alessio Picariello | 426 | 70 Laps |
| 46 | 7 | LMP3 | 10 | Forty7 Motorsports | Duqueine D08 | Mark Kvamme | Austin McCusker | Trenton Estep | Antoine Doquin | 425 | 71 Laps |
| 47 | 98 | GTD | 14 | Northwest AMR | Aston Martin Vantage GT3 | Paul Dalla Lana | David Pittard | Charlie Eastwood | Nicki Thiim | 424 | 72 Laps |
| 48 | 38 | LMP3 | 8 | Performance Tech Motorsports | Ligier JS P320 | Dan Goldburg | Hikaru Abe | Garett Grist | Nico Pino | 409 | 87 Laps |
| 49 | 47 | GTD | 15 | Cetilar Racing | Ferrari 488 GT3 | Roberto Lacorte | Giorgio Sernagiotto | Antonio Fuoco | Alessio Rovera | 408 | 88 Laps |
| 50 | 63 | GTDPRO | 11 | TR3 Racing | Lamborghini Huracan GT3 | Rolf Ineichen | Marco Mapelli | Andrea Caldarelli | Mirko Bortolotti | 400 | 96 Laps |
| 51 | 4 | GTDPRO | 12 | Corvette Racing | Chevrolet Corvette C8.R GTD | Tommy Milner | Nick Tandy | Marco Sorensen | 390 | 106 Laps | |
| 52 | 12 | GTD | 16 | VasserSullivan | Lexus RC F GT3 | Frankie Montecalvo | Aaron Telitz | Richard Heistand | Townsend Bell | 388 | 108 Laps |
| 53 | 6 | LMP3 | 9 | Muehlner Motorsports America | Duqueine D08 | Efrin Castro | Moritz Kranz | Ayrton Ori | Joel Miller | 362 | 134 Laps |
| 54 | 39 | GTD | 17 | CarBahn with Peregrine Racing | Lamborghini Huracan GT3 | Robert Megennis | Corey Lewis | Sandy Mitchell | Jeff Westphal | 349 | 147 Laps |
| 55 | 20 | LMP2 | 10 | High Class Racing | ORECA LMP2 07 | Dennis Andersen | Anders Fjordbach | Fabio Scherer | Nico Mueller | 345 | 151 Laps |
| 56 | 96 | GTD | 18 | Turner Motorsport | BMW M4 GT3 | Robby Foley | Bill Auberlen | Michael Dinan | Jens Klingmann | 280 | 216 Laps |
| 57 | 59 | GTD | 19 | Crucial Motorsports | McLaren 720S GT3 | Lance Bergstein | Jon Miller | Patrick Gallagher | Paul Holton | 264 | 232 Laps |
| 58 | 28 | GTD | 20 | Alegra Motorsports | Mercedes-AMG GT3 | Michael de Quesada | Daniel Morad | Linus Lundqvist | Maximilian Goetz | 181 | 315 Laps |
| 59 | 23 | GTDPRO | 13 | Heart of Racing Team | Aston Martin Vantage GT3 | Ross Gunn | Alex Riberas | Maxime Martin | 103 | 393 Laps | |
| 60 | 75 | GTD | 21 | Sun Energy 1 | Mercedes-AMG GT3 | Fabian Schiller | Kenny Habul | Luca Stolz | Raffaele Marciello | 101 | 395 Laps |
| 61 | 34 | GTD | 22 | GMG Racing | Porsche 911 GT3R | Kyle Washington | James Sofronas | Jeroen Bleekemolen | Klaus Bachler | 88 | 408 Laps |