Race Lineup : Charlotte Motor Speedway
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29
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8
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5
- Charlotte Motor Speedway
- 40th Annual Alsco Uniforms 300
- Pole Winner: Riley Herbst
- Age: 22
- Team : No. 98 - Monster Energy Ford
- Owner: Stewart-Haas Racing
- Crew Chief: Richard Boswell, II
- Riley Herbst won the Pole Award for the 40th Annual Alsco Uniforms 300 with a lap of 29.350 seconds, 183.986 mph.
- This is his first pole in 55 NASCAR Xfinity Series races.
- This is his first pole and fifth top-10 start in 2021.
- This is his first pole in two races at Charlotte Motor Speedway.
- Chase Briscoe (second) posted his first top-10 start of 2021 and his third in four races at Charlotte Motor Speedway.
- Daniel Hemric (third) posted his third top-10 start at Charlotte Motor Speedway. It is his ninth in 12 races this season.
- Ty Gibbs (eighth) was the fastest qualifying rookie.
- Drivers Entered: 42 (4 drivers will not make the race)
- Laps Scheduled: 200
- Margin of Victory: 0.437 Seconds
- Time of Race: 2 Hours 39 Minutes 57 Seconds
- Average Speed: 112.535
- Cautions: 10 for 51 laps
- Lead Changes: 12
- Green Flag Passes: 1,294 (8.7 passes per green flag lap)
- Charlotte Motor Speedway
- 40th Annual Alsco Uniforms 300
- Race Winner: Ty Gibbs
- Age: 18
- Team : No. 54 - Joe Gibbs Racing Toyota
- Owner: Joe Gibbs Racing
- Crew Chief: Chris Gayle
- Ty Gibbs won the 40th Annual Alsco Uniforms 300, his second victory in six career NASCAR Xfinity Series races.
- This is his second victory and fifth top-10 finish in 2021.
- This is his first victory and first top-10 finish in his series debut at Charlotte Motor Speedway.
- Austin Cindric (second) posted his third top-10 finish in four races at Charlotte Motor Speedway. It is his 10th top-10 finish in 2021.
- Harrison Burton (third) posted his second top-10 finish in two races at Charlotte Motor Speedway.
- Ty Gibbs (first) was the highest finishing rookie.
- Ty Gibbs becomes the seventh driver in NASCAR Xfinity Series history to win his second race within his first six starts in the series; joining Darrell Waltrip (three wins), Ron Fellows (three), Butch Lindley (two), Dale Earnhardt (two), Kurt Busch (two) and Terry Labonte (two), and the third to do it in a single season along with Butch Lindley (1982) and Dale Earnhardt (1982).
