AP photo by Ray Carlin / Richard Childress Racing driver Austin Dillon, left, celebrates in victory lane at Texas Motor Speedway alongside track president and general manager Eddie Gossage after winning Sunday's NASCAR Cup Series race in Fort Worth.

FORT WORTH, Texas — Austin Dillon stayed in front after a restart with two laps to go and beat rookie teammate Tyler Reddick to the checkered flag Sunday at Texas Motor Speedway, giving Richard Childress Racing its first 1-2 finish in a NASCAR Cup Series race in nine years.

With spectators spread out in the stands on a scorching afternoon in the Lone Star State, a very dehydrated Dillon got the flag and did some celebratory burnouts in the No. 3 Chevrolet on the front stretch before going to the infield care center.

"I got a couple IVs in me, feeling great. I felt great once I kind of got in air conditioner. I was wanting to come back out because it stinks to win the race and you're falling out," Dillon said when finally on his Zoom call for interviews after the race. "But I gave it all. I left it all out there. At least I can say that and left it all on the track."

Dillon raced to his third career win on the top circuit and first since the Daytona 500 to the start the 2018 season. It was Dillon and Reddick in the front on the final three restarts, the first after an incident with 29 laps to go that shuffled the fast Ford of Team Penske's Ryan Blaney to a lap back.

"Not bad for a silver spoon kid, huh?" Dillon, a grandson of Childress, joked in his TV interview immediately after the race. "Tyler Reddick, he raced me clean. One-two for RCR. This has been coming. We've had good cars all year. I've got my baby Ace back home, my wife. I'm just so happy."

It was the organization's first such result since Clint Bowyer won ahead of Jeff Burton in 2011 at Talladega Superspeedway in Alabama.

Childress watched Sunday's race from a command center at the team's race shop in North Carolina.

"I mean, it's great. ... Having Tyler right there to work with, he's got a teammate that he's really working good with," Childress said. "And to see both of those guys racing for the win, I knew they weren't going to, I was hoping they didn't wreck each other. It was pretty cool to see RCR in the front."

On the final restart, Dillon got a good jump, holding off his 24-year-old teammate and some veteran drivers on the way to the line.

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AP photo by Ray Carlin / Austin Dillon crosses the finish line to win the NASCAR Cup Series race Sunday at Texas Motor Speedway in Fort Worth.

Penske's Joey Logano finished third, with Kyle Busch fourth in the Joe Gibbs Racing No. 18 Toyota a day after he finished ahead of the field twice. His second-tier Xfinity Series victory was taken away because his car failed inspection after the race, but then he won the third-tier Truck Series race that night — and kept it.

Stewart-Haas Racing's Kevin Harvick, the Cup Series points standings leader and the winner of the past three fall races at Texas, was fifth in another Ford.

"Can't ask for much more than what we got there," said Reddick, the Xfinity Series champion the past two seasons. "I just wanted it to be between us. I didn't want bring other cars into it, make sure that we could fight it out. We just got the restarts that kept giving us opportunities."

There were an estimated 15,000 to 20,000 spectators at the track, where it reached 97 degrees late in the first summertime Cup Series race at Texas — it was supposed to be a spring race nearly four months ago, before the coronavirus pandemic postponed and then shuffled NASCAR's schedule. Inside the cars, it was 130 to 140 degrees.

After leading six times for 150 laps, both highs for the race, Blaney finished seventh.

Blaney, who had given up the lead when he pitted on the 287th lap, went a lap down after the field got shuffled when rookie Quin Houff crashed hard out of the fourth turn.

Cole Custer, the SHR rookie coming off a win last weekend at Kentucky, was one of 11 drivers involved in a chain-reaction crash on the 218th lap that brought out a red flag. His crumbled No. 41 Ford came to rest near the exit of pit road.

That pileup on the front stretch came the lap after a restart with most of the cars still jammed together as they came off the fourth turn, where Blaney appeared to be among several cars to get loose, though he was out in front of the melee when cars started crashing.

Track workers took water to drivers in their parked cars on the track during the red flag that lasted more than 11 minutes.

It was 30 degrees warmer than it was on March 29, when the race had been scheduled before the pandemic. Texas will host a playoff race Oct. 25.

Before Pro Football Hall of Fame quarterback Terry Bradshaw gave an emphatic command to start engines, the four-time Super Bowl champion shouted hello to the "beautiful people" in the stands.

It was the first major sporting event in Texas in more than four months to allow spectators, and one of the largest gatherings of any kind in the state during the pandemic. The spectators were spread out along the front stretch, which was fully shaded late in the race, and there were also people in about 40 suites.

Speedway Motorsports, which owns Tennessee's Bristol Motor Speedway and the track in Fort Worth, is a private company like NASCAR and does not release official attendance numbers. However, there appeared to be about 20,000 fans at Bristol for the NASCAR All-Star Race last Wednesday night, and a similar crowd had been expected at Texas, where current regulations would have allowed 50% capacity at the track that seats about 135,000.

"These are the folks that wanted to be here. We never were trying to set an attendance record, and I told y'all you're going to turn on the TV and go, 'Nobody's there,'" track president Eddie Gossage said during Sunday's race, without confirming any figures. "The truth is, there's a pretty good number here. But still, a massive place."