TUSC: Rolex 24 GTLM class preview

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The TUDOR United SportsCar Championship premieres this weekend with the Rolex 24 at Daytona. We’ll have sporadic posts and updates for the season opener of the unified series, which brings together the GRAND-AM Rolex Series and American Le Mans Series.

Next up in our list of class previews, the GTLM class.

GTLM CLASS

WHAT IT IS: The lead GT class. All open; no driver limitations, and the only class to allow for open tire competition (incidentally, all GTLM cars at Daytona run on Michelins). It’s the GT class that carried over from the ALMS, which features factory efforts from manufacturers. Still, marks the first time any of these cars will be competing in the 24-hour race. SRT (2013), Porsche (2013) and Ferrari (2011-’13) have competed in the 24 Hours of Le Mans with their current model cars.

WHO THEY ARE: 11 cars strong, from six different manufacturers, driven by a mix of sports car veterans and IndyCar interlopers.

A QUICK BREAKDOWN: Corvette Racing (No. 3/4 Corvette C7.R), BMW Team RLL (No. 55/56 BMW Z4 GTLM), SRT Motorsports (No. 91/93 SRT Viper GTS-R) and Porsche North America (No. 911/912 Porsche 911 RSR) have two cars apiece. There’s two Ferraris, one apiece from Krohn Racing (No. 57) and Risi Competizione (No. 62), and a single Aston Martin from the Prodrive-run AMR factory squad (No. 97).

Porsche was quick at the Roar Before the Rolex 24 test; the manufacturer went 1-2 at Le Mans last year, in a 24-hour race that runs a little different than Daytona. Corvette seeks a debut win with the new C7. SRT made large performance strides in its first full season in 2013; BMW was great on handling circuits but struggled for top end speed; Ferrari and Aston Martin are the under-the-radar wild cards.

WHO TO WATCH: Too many stars to name, to be honest. Any of the drivers has the ability – whether consistently over several stints or for short bursts – to star. The privateer Krohn entry is the only car of the 11 without a realistic shot at winning, and it would not be a surprise to see three different manufacturers on the podium.

IndyCar at IMS Friday: How to watch, start times, live streaming info

IndyCar Indianapolis start times
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With three races remaining in the NTT IndyCar Series season, Scott Dixon has a commanding lead and history on his side entering Friday’s opener of the Harvest GP at Indianapolis Motor Speedway.

The five-time series champion leads defending champ Josef Newgarden by 72 points.

Since 2014, the points leader with three races left has won the championship in five of the past six years, including Dixon in ’18.

The Chip Ganassi Racing driver has led the championship standings following every round after opening 2020 with three consecutive victories. Dixon also led the points by 78 points with three races remaining when he won the title in 2008.

Dixon, Newgarden, Pato O’Ward, Colton Herta, Will Power, Graham Rahal and Takuma Sato are championship eligible.

Anyone outside 108 points of the lead after Indy will be eliminated heading into the Oct. 25 season finale at St. Petersburg, Florida.

Here is the IndyCar Harvest GP at the Indianapolis Motor Speedway road course schedule for Friday (all times are ET), including details and start times:


Indianapolis Motor Speedway TV schedule for Friday

IndyCar Harvest GP Race 1: 3:30 p.m., USA Network, NBC Sports Gold and streaming on the NBC Sports App and NBCSports.com); Leigh Diffey is the lead announcer for IndyCar on NBCSN this weekend with analysts Townsend Bell and Paul Tracy.


IndyCar Harvest GP, Race 1 at Indianapolis Motor Speedway start times, information

COMMAND TO START ENGINES: 3:53 p.m.

GREEN FLAG: 4 p.m.

DISTANCE: The race is 85 laps (207.35 miles) around Indianapolis Motor Speedway’s a 2.439-mile, 14-turn road course in Indianapolis.

TIRE ALLOTMENT: Nine sets primary, five sets alternate (A 10th set of primary tires is available to any car fielding a rookie.) Teams must use one set of primary and one set of alternate tires in the race.

PUSH TO PASS: 200 seconds of total time with a maximum time of 20 seconds per activation.

FORECAST: According to Wunderground.com, it’s expected to be 57 degrees with a 0% chance of rain at the green flag.

QUALIFYING: 6:20 p.m. Thursday (NBC Sports Gold)

ENTRY LIST: Click here for the 25 drivers racing this weekend at Indianapolis