Photo courtesy of IMSA

IMSA: Rolex 24 Hours of Daytona after 20 hours — less than 4 hours remain

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Over 20 hours are in the books for the Rolex 24 Hours of Daytona. But, while there are less than four hours remaining, there is still plenty of racing left to run, and with more frontrunners encountering problems, the race is far from over.

The class leaders at the Hour 20 mark are below.

Prototype

No. 5 Mustang Sampling Cadillac DPi, Joao Barbosa

No. 31 Whelen Engineering Racing DPi, Felipe Nasr

No. 54 CORE Autosport Oreca 07 Gibson, Romain Dumas

GTLM

No. 66 Ford Chip Ganassi Racing, Ford GT, Sebastien Bourdais

No. 67 Ford Chip Ganassi Racing Ford GT, Scott Dixon

No. 3 Corvette Racing Corvette C7.R, Antonio Garcia

GTD

No. 11 GRT Grasser Racing Team Lamborghini Huracan GT3, Franck Perera

No. 86 Michael Shank Racing with Curb/Agajanian, Acura NSX GT3, AJ Allmendinger

No. 48 Paul Miller Racing, Lamborghini Huracan GT3, Andrea Caldarelli

Action Express Continues to Lead, But Problems Start to Surface

The two Action Express Racing cars still run 1-2 overall, but both have experienced cooling issues as the race heads to its closing stages.

The race-leading No. 5 Mustang Sampling Racing Cadillac DPi took advantage of a full-course caution to make a quick dive into the garage area to check engine temperatures and add water. While the trip took many by surprise, it appeared to only be a minor check to add water and the car quickly rejoined, maintaining its lead. Joao Barbosa is currently at the helm.

However, the sister No. 31 Cadillac, which at one time was within half-a-second and pushing for the lead, was forced to spend a little extra time in the garage fighting the same issue, and actually lost three laps in the process. Still, the No. 31, now in the hands of Felipe Nasr, runs second.

Behind them, a new challenger has emerged in the No. 54 CORE Autosport Oreca, which moved into third after the No. 32 United Autosports entry encountered problems. Though four laps off the lead, the No. 54 machine, currently with Romain Dumas at the controls, could capitalize if the aforementioned issues for Action Express surface again.

Fords Continue to Dominate GTLM

The two Ford GTs from Ford Chip Ganassi Racing remain dominant in GTLM, but are running nose-to-tail and poised to stage an intra-team battle for the GTLM win. Currently, the No. 66 leads, in the hands of Sebastien Bourdais, with Scott Dixon running second in the No. 67.

However, Corvette Racing is still in contention, the No. 3 C7.R running third and still on the same lap as the Fords. Mike Rockenfeller is currently at the wheel.

Lamborghini, Acura, and Mercedes Doing Battle for GTD Lead

The close GT Daytona battle sees Lamborghini, Acura, and Mercedes emerging as the frontrunning marques, with the top four in class all on the same lap.

The No. 11 Lamborghini Huracan GT3 from GRT Grasser Racing Team has moved into the lead with Franck Perera.

However, the Michael Shank No. 86 Acura NSX GT3 from Michael Shank Racing with Curb/Agajanian is running a strong second, overcoming a brief off-course excursion after driver Katherine Legge was bumped off track by the No. 38 Performance Tech Racing Oreca as they approached the International Horseshoe.

Legge quickly regrouped and did not lose much time. AJ Allmendinger is now at the helm.

The No. 48 Paul Miller Racing Lamborghini sits third, with Andrea Caldarelli at the wheel.

The No. 33 Mercedes-AMG GT3 for Mercedes-AMG Team Riley Motorsports runs fourth, having recently spent time in the top three as well, with Luca Stolz now in control.

Below is a report on other notable happenings.

Wayne Taylor Racing Out After Several Tire Failures

A number of Prototype entries have experienced tire problems in the first 20 hours of running, but Wayne Taylor Racing has probably been hit the hardest. Suffering no fewer than seven punctures, they had their latest one late in Hour 17, forcing Renger Van Der Zande to once again bring the No. 10 Cadillac DPi-V.R back to the garage.

Team owner Wayne Taylor subsequently retired the car, citing the aforementioned tire problems and an inability to determine a solution to prevent them.

United Autosports Hits More Problems

United Autosports’ No. 32 Ligier had been running a strong third, behind the top two Cadillacs from Action Express, but a clutch problem forced an unscheduled pit stop for repairs.

They were able to rejoin relatively quickly, but dropped to fifth, seven laps off the lead. Paul Di Resta is now behind the wheel.

Live timing can be found here.

Hour 20 Standings

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IndyCar teams with NASCAR on IMS road course doubleheader in 2021

IndyCar NASCAR doubleheader 2021
Jamie Squire/Getty Images
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The NTT IndyCar Series will be sharing Indianapolis Motor Speedway with the NASCAR Cup Series in a race weekend doubleheader for the second consecutive season, but both series will be on the road course in August 2021.

IMS announced Wednesday that IndyCar will hold an Aug. 14, 2021 race on its 14-turn, 2.439-mile road course. It’ll be a day before NASCAR’s premier series runs the same layout for the first time after the Brickyard 400 was contested on the 2.5-mile oval for the first time in 27 years.

This season’s rescheduling of the IndyCar GMR Grand Prix to July 4, 2019 (a day before the Brickyard 400) led to the first NASCAR-IndyCar doubleheader weekend. The Xfinity Series also raced on the IMS road course for the first time July 4 after the IndyCar race ended.

INDYCAR AT IMS THIS WEEKEND: Harvest GP schedule, entry lists

IndyCar will be holding its second race weekend this year at the IMS road course Friday and Saturday with the Harvest GP.

“Our first NASCAR-INDYCAR weekend was a big success last July, with positive feedback from
our loyal fans who watched the races on NBC and from the drivers, teams and participants
involved,” IMS president Douglas Boles said in a statement. “The Xfinity Series’ debut on the IMS road course provided exactly the kind of thrilling action from the green to checkered flags that we anticipated, so we know the teams and drivers of the Cup Series will put on a great show as they turn left and right for the first time at IMS.

“We can’t wait to welcome back fans to see NASCAR and INDYCAR together during this
exciting weekend as we add another memorable chapter in the long, storied history of the
Indianapolis Motor Speedway.”

It also will mark the first NASCAR Cup-IndyCar doubleheader with a crowd as fans weren’t permitted at IMS in July because of the novel coronvavirus (COVID-19) pandemic.

Over the course of Wednesday, NASCAR is releasing its 36-race slate for next season. IndyCar has yet to release its full 2021 schedule.