Race Lineup : Texas Motor Speedway
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15
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7
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18
- Positions 1-12: Random draw from charter teams in those positions in owner points.
- Positions 13-24: Random draw from charter teams in those positions in owner points.
- Positions 25-36: Random draw from charter teams in those positions in owner points.
- Positions 37-40: Open teams in order of owners points.
- Drivers Entered: 40
- Laps Scheduled: 334
- Margin of Victory: 0.149 Seconds
- Time of Race: 3 Hours 38 Minutes 57 Seconds
- Average Speed: 137.292
- Cautions: 10 for 45 laps
- Lead Changes: 29
- Green Flag Passes: 3,224 (11.2 passes per green flag lap)
- Texas Motor Speedway
- 24th Annual O'Reilly Auto Parts 500
- Race Winner: Austin Dillon
- Age: 30
- Team : No. 3 - Bass Pro Shops/Tracker Off Road Chevrolet
- Owner: Richard Childress Racing
- Crew Chief: Justin Alexander
- Austin Dillon won the 24th Annual O'Reilly Auto Parts 500, his third victory in 247 NASCAR Cup Series races.
- This is his first victory and fifth top-10 finish in 2020.
- This is his first victory and second top-10 finish in 15 races at Texas Motor Speedway.
- Tyler Reddick (second) posted his first top-10 finish in his series track debut at Texas Motor Speedway. It is his sixth top-10 finish in 2020.
- Joey Logano (third) posted his 13th top-10 finish in 24 races at Texas Motor Speedway.
- Tyler Reddick (second) was the highest finishing rookie.
- The is the first time since 2011 Talladega (Clint Bowyer and Jeff Burton) that Richard Childress Racing has finished 1-2 in the NASCAR Cup Series.
- This is Richard Childress Racing's 109th NASCAR Cup Series victory.
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