Friday Rolex 24 Test Times – Session 1
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| Oliver Jarvis |
Oliver Jarvis set the pace in the first official on track session of the year for the IMSA WeatherTech SportsCar Championship at the Roar Before the 24.
The Briton turned the fastest time in the session in the No. 77 Mazda RT24-P for the new-look Mazda Team Joest operation that underwent significant personnel changes in the buildup to the 2019 season.
Jarvis’ best time of 1:35.989 was 0.418 seconds quicker than the No. 10 Wayne Taylor Racing Cadillac DPi-V.R of Jordan Taylor, while Harry Tincknell made it two Mazdas in the top three in the sister No. 55 entry
Morning Times
| Pos | Pic | No. | Class | Drivers* | Car | Time | Behind |
| 1 | 1 | 77 | DPi | O. Jarvis/T. Nunez/T. Bernhard/R. Rast | Mazda DPi | 1:35.989 | +0.000 |
| 2 | 2 | 10 | DPi | R. Van Der Zande/J. Taylor/F. Alonso Diaz/K. Kobayashi | Cadillac DPi | 1:36.407 | +0.418 |
| 3 | 3 | 55 | DPi | J. Bomarito/H. Tincknell/O. Pla | Mazda DPi | 1:36.449 | +0.460 |
| 4 | 4 | 31 | DPi | F. Nasr/P. Derani/E. Curran | Cadillac DPi | 1:36.781 | +0.792 |
| 5 | 5 | 5 | DPi | J. Barbosa/M. Conway/F. Albuquerque/C. Fittipaldi | Cadillac DPi | 1:36.872 | +0.883 |
| 6 | 6 | 50 | DPi | W. Owen/R. Binder/A. Canapino/K. Kaiser | Cadillac DPi | 1:37.235 | +1.246 |
| 7 | 7 | 85 | DPi | M. Goikhberg/T. Vautier/D. DeFrancesco/R. Barrichello | Cadillac DPi | 1:37.678 | +1.689 |
| 8 | 8 | 7 | DPi | H. Castroneves/R. Taylor/A. Rossi | Acura DPi | 1:37.825 | +1.836 |
| 9 | 9 | 84 | DPi | S. Trummer/S. Simpson/C. Miller/J. Piedrahita | Cadillac DPi | 1:37.966 | +1.977 |
| 10 | 10 | 6 | DPi | J. Montoya/D. Cameron/S. Pagenaud | Acura DPi | 1:39.702 | +3.713 |
| 11 | 1 | 52 | LMP2 | M. McMurry/G. Aubry | ORECA LMP2 | 1:39.828 | +3.839 |
| 12 | 2 | 38 | LMP2 | K. Masson/K. Wright/C. Cassels/R. Masson | ORECA LMP2 | 1:41.380 | +5.391 |
| 13 | 1 | 911 | GTLM | P. Pilet/N. Tandy/F. Makowiecki | Porsche 911 RSR | 1:44.866 | +8.877 |
| 14 | 2 | 912 | GTLM | M. Jaminet/E. Bamber | Porsche 911 RSR | 1:45.028 | +9.039 |
| 15 | 3 | 66 | GTLM | J. Hand/D. Mueller/S. Bourdais | Ford GT | 1:45.153 | +9.164 |
| 16 | 4 | 67 | GTLM | R. Briscoe/R. Westbrook/S. Dixon | Ford GT | 1:45.427 | +9.438 |
| 17 | 5 | 62 | GTLM | D. Rigon/M. Molina | Ferrari 488 GTE | 1:45.447 | +9.458 |
| 18 | 6 | 3 | GTLM | J. Magnussen/A. Garcia/M. Rockenfeller | Chevrolet Corvette C7.R | 1:45.802 | +9.813 |
| 19 | 7 | 25 | GTLM | T. Blomqvist/C. De Phillippi/P. Eng/C. Herta | BMW M8 GTE | 1:45.836 | +9.847 |
| 20 | 8 | 4 | GTLM | O. Gavin/T. Milner/M. Fassler | Chevrolet Corvette C7.R | 1:45.873 | +9.884 |
| 21 | 9 | 24 | GTLM | J. Krohn/J. Edwards/C. Mostert/A. Zanardi | BMW M8 GTE | 1:46.249 | +10.260 |
| 22 | 1 | 33 | GTD | B. Keating/J. Bleekemolen/L. Stolz/F. Fraga | Mercedes-AMG GT3 | 1:47.188 | +11.199 |
| 23 | 2 | 51 | GTD | P. Dalla Lana/P. Lamy/M. Lauda/D. Serra | Ferrari 488 GT3 | 1:47.302 | +11.313 |
| 24 | 3 | 63 | GTD | MacNeil/T. Vilander/J. Westphal/Farnbacher | Ferrari 488 GT3 | 1:47.729 | +11.740 |
| 25 | 4 | 96 | GTD | B. Auberlen/R. Foley/D. Machavern/J. Klingmann | BMW M6 GT3 | 1:47.741 | +11.752 |
| 26 | 5 | 14 | GTD | R. Heistand/J. Hawksworth/A. Cindric/N. Cassidy | Lexus RC F GT3 | 1:47.836 | +11.847 |
| 27 | 6 | 29 | GTD | D. Morad/R. Feller/D. Vanthoor | Audi R8 LMS GT3 | 1:47.889 | +11.900 |
| 28 | 7 | 73 | GTD | P. Lindsey/P. Long/M. Campbell/N. Boulle | Porsche 911 GT3 R | 1:48.299 | +12.310 |
| 29 | 8 | 11 | GTD | R. Ineichen/M. Bortolotti/C. Engelhart/K. Ling | Lamborghini Huracan GT3 | 1:48.319 | +12.330 |
| 30 | 9 | 48 | GTD | B. Sellers/R. Hardwick/C. Lewis/A. Caldarelli | Lamborghini Huracan GT3 | 1:48.339 | +12.350 |
| 31 | 10 | 540 | GTD | T. Pappas/M. Seefried/M. Cairoli/D. Werner | Porsche 911 GT3 R | 1:48.386 | +12.397 |
| 32 | 11 | 44 | GTD | J. Potter/A. Lally/S. Pumpelly/M. Mapelli | Lamborghini Huracan GT3 | 1:48.679 | +12.690 |
| 33 | 12 | 71 | GTD | M. Buhk/F. Schiller/D. Baumann/J. Perez | Mercedes-AMG GT3 | 1:48.694 | +12.705 |
| 34 | 13 | 88 | GTD | F. Vervisch/K. van der Linde/I. James/R. DeAngelis | Audi R8 LMS GT3 | 1:48.802 | +12.813 |
| 35 | 14 | 12 | GTD | F. Montecalvo/T. Bell/A. Telitz/J. Segal | Lexus RC F GT3 | 1:48.809 | +12.820 |
| 36 | 15 | 8 | GTD | P. Chase/R. Dalziel/E. Perez Companc/C. Haase | Audi R8 LMS GT3 | 1:49.011 | +13.022 |
| 37 | 16 | 9 | GTD | S. Hargrove/Z. Richard Robichon/L. Kern/D. Olsen | Porsche 911 GT3 R | 1:50.562 | +14.573 |
| 38 | 17 | 46 | GTD | E. Busnelli/F. Babini | Lamborghini Huracan GT3 | 1:51.367 | +15.378 |
| 39 | 18 | 99 | GTD | Haering/S. Goerig/S. Muller/Bachler/A. Renauer | Porsche 911 GT3 R | 1:57.281 | +21.292 |
| 40 | 19 | 19 | GTD | W. Hardeman/A. Riberas/A. Davis/M. Winkelhock | Audi R8 LMS GT3 | 2:01.194 | +25.205 |
| 41 | 20 | 13 | GTD | C. Longo/V. Coelho Franzoni Da Silva/M. Gomes | Ferrari 488 GT3 | – | – |
| 42 | 3 | 18 | LMP2 | T. TBD/R. Gonzalez/T. TBD | ORECA LMP2 | – | – |
| 43 | 21 | 47 | GTD | S. Dunn/B. Gdovic/L. Lundqvist/M. Pavlovic/D. Yount | Lamborghini Huracan GT3 | – | – |
| 44 | 11 | 54 | DPi | J. Bennett/C. Braun/R. Dumas/L. Duval | Nissan DPi | – | – |