NASCAR All Star Race starting lineup set; Heat Race results from Saturday at North Wilkesboro Speedway

NORTH WILKESBORO, N.C. - The final step toward setting the field for the NASCAR All-Star Race went into the books Saturday at North Wilkesboro Speedway. 

A pair of 75-lap heat races, set by qualifying times on Friday night, finalized the starting grid.

William Byron had the best showing of the three Hendrick Motorsports drivers to participate on Saturday, finishing the first heat in third place to lock up the fifth starting spot for Sunday. Alex Bowman was two spots behind and will roll off ninth. Chase Elliott was part of the second heat race and drove from the back of the field up to third. He'll start fire off from the sixth starting spot. 

Kyle Larson took part in qualifying for the Indianapolis 500 on Saturday in his pursuit of the #H1100. Justin Allgaier, a full-time Xfinity Series driver for JR Motorsports, qualified in Larson's stead on Friday in the No. 5 HendrickCars.com Chevrolet. Larson will start Sunday's main event from the rear. 

Leading the festivities on Sunday will be the All-Star Open with the top two finishers in the 100-lap sprint advancing into the All-Star Race. The final spot in the field will go to the winner of the fan vote among drivers not otherwise qualified. 

Both races will air on FS1. 

Here's a look at the NASCAR All-Star Race starting line (so far), results from the heat races and a brush up on the format for this year:

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NASCAR qualifying lineup for Sunday

1. Brad Keselowski, No. 6
2. Christopher Bell, No. 20
3. Ross Chastain, No. 1
4. Joey Logano, No. 22
5. William Byron, No. 24 Valvoline Chevrolet
6. Chase Elliott, No. 9 Prime Video Chevrolet
7. Ryan Blaney, No. 12
8. Kyle Busch, No. 8
9. Alex Bowman, No. 48 Ally Chevrolet
10. Chris Buescher, No. 17
11. Josh Berry, No. 21
12. Daniel Suarez, No. 99
13. Tyler Reddick, No. 45
14. Chase Briscoe, No. 19
15. Austin Dillon, No. 3
16. Austin Cindric, No. 2
17. Ricky Stenhouse Jr., No. 47
18. Harrison Burton, No. 51
19. Kyle Larson, No. 5 HendrickCars.com Chevrolet
20. Denny Hamlin, No. 11
21. All-Star Open winner
22. All-Star Open runner-up
23. Fan vote winner

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NASCAR All-Star heat race results

HEAT 1

1. Brad Keselowski, No. 6
2. Ross Chastain, No. 1
3. William Byron, No. 24 Valvoline Chevrolet
4. Ryan Blaney, No. 12
5. Alex Bowman, No. 48 Ally Chevrolet
6. Josh Berry, No. 21
7. Tyler Reddick, No. 45
8. Austin Dillon, No. 3
9. Ricky Stenhouse Jr., No. 47

HEAT 2

1. Christopher Bell, No. 20
2. Joey Logano, No. 22
3. Chase Elliott, No. 9 Prime Video Chevrolet
4. Kyle Busch, No. 8
5. Chris Buescher, No. 17
6. Daniel Suarez, No. 99
7. Chase Briscoe, No. 19
8. Austin Cindric, No. 2
9. Harrison Burton, No. 51
10. Denny Hamlin, No. 11

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NASCAR All Star Race format

The NASCAR All-Star Race will consist of 250 laps, up from 200 the past two years at the 0.625-mile short track. A competition caution will wave at or near lap 100 and a promoter's caution can be thrown any time in the first 220 laps provided a natural caution does not occur after lap 200. 

What channel is NASCAR on today?

(All times listed in eastern time)

Sunday, May 18

• 5 - Cup Series All-Star Open, FS1
• 8 p.m. - Cup Series All-Star race, FS1

NASCAR playoff standings today