Acura Team Penske went to the top of the speed chart in Thursday’s second practice session for the Rolex 24 At Daytona, as Helio Castroneves posted the best lap of the day so far, 1m37.036s in the No. 7 Acura ARX-05.

• Results

Nicolas Lapierre was second in the No. 22 Tequila Patron ESM Nissan Onroak DPi with a 1m37.360s, followed by Filipe Albuquerque, 1m37.385s in the No. 5 Mustang Sampling Cadillac DPi-V.R. In fourth was the leading LMP2, the No. 54 CORE autosport ORECA 07-Gibson piloted by Colin Braun, who turned a 1m37.613s lap.

Patrick Pilet led GTLM with a lap of 1m43.902s, best of the day in the No. 911 Porsche GT Team Porsche 911 RSR, followed by Jan Magnussen in the No. 3 Corvette C7.R, at 1m43.970s.

Former Pirelli World Challenge GT champion Alvaro Parente had the fastest lap of the day in GTD at 1m46.790s in the No. 86 Michael Shank Racing Acura NSX GT3, followed by Miguel Molina in the No. 82 Risi Competizione Ferrari 488 GT3 with a 1m47.032s.

The 60-minute session had a brief red flag for the stopped No. 59 Manthey Racing Porsche 911 GT3 R of Matteo Cairoli, which had a mechanical issue in the International Horseshoe. Practice was brought to an early end due to a red flag with about five minutes remaining. 

NEXT UP: Qualifying, 3:55-5 p.m. ET.