Mazda continued to improve in IMSA WeatherTech SportsCar Championship Roar Before the Rolex 24 practice Sunday morning at Daytona International Speedway, running a weekend-best lap of 1m34.224s in the No. 55 Team Joest Mazda DPi.
Mazda went 1-2, with Oliver Jarvis second with a lap of 1m34.616s at the end of the session. Next were the two Action Express Cadillacs, with Eric Curran at 1m34.821s in the No. 31 Whelen Engineering Cadillac DPi-V.R., followed by Filipe Albuquerque, at 1m34.885s in the No. 5 Mustang Sampling entry.
Teams had just a short break before qualifying begins at 11:50 a.m. ET for the GTLM class, followed at 12:15 p.m. for the combined DPi and LMP2 competitors.
While no official records will be set during qualifying, not only will Joao Barbosa’s two-year-old DPi track mark of 1m36.903s be under attack, but P.J. Jones’ 26-year-old all-time IMSA Camel GTP record of 1m33.875s faces its first serious challenge to date.
Ben Hanley led the LMP2 competitors with a best lap of the weekend, a 1m35.975s, coming on his last lap in the No. 81 DragonSpeed ORECA Gibson.
Richard Westbrook was fastest in GTLM, running 1m43.083s in the No. 67 Chip Ganassi Racing Ford GT, beating his best lap of the weekend for the category.