To date, this race was the 83rd and most recent career win for seven-time NASCAR Cup Series champion Jimmie Johnson who retired from full time competition after the 2020 season.

[13] He said afterwards that it means "a little bit for us (his team)" to go "sit on the pole here" because it grants "a really good pit selection for Sunday" and to boot, "gives us the track position.

[15] Kyle Larson was the fastest in the final practice session with a time of 22.870 seconds and a speed of 157.411 mph (253.328 km/h).

[17] It was found that one of the airguns the 18 team used to change the tires didn't switch to the setting required to tighten the lug nuts.

Staying out proved costly for Stenhouse on lap 47 when his right-front tire went flat and his car slammed the wall in Turn 3, bringing out a second caution.

[21] Keselowski called the incident "one of them racing deals" and the field just "[lined] up double file and somebody got loose and just took us out.

Busch suffered a left-rear tire blowout, spun out and rear-ended the wall in Turn 1 on lap 96, bringing out the fifth caution.

Larson pulled to a lead of roughly three seconds and held there until caution flew for the eighth time on lap 193 when Joey Logano's right-front tire went flat and he slammed the wall in Turn 3.

Caution flew for the ninth time on lap 219 when Landon Cassill's right-front tire went flat and his car slammed the wall in Turn 2.

Regan Smith, driving in place of the injured Aric Almirola, slammed the wall in Turn 2 after his right-front tire went flat bringing out the 12th caution.

Exiting Turn 2 with 58 to go, Chris Buescher got loose and into Paul Menard, sending him into the inside wall on the backstretch, bringing out the 13th caution.

The lead he built up evaporated when David Ragan suffered a right-front tire blowout and slammed the wall in Turn 2 with four laps to go, bringing out the 14th caution and set up an overtime finish.

Ragan's wreck laid oil all down the backstretch and NASCAR had to apply speedy-dry to clean it up.

His car turned back up track and was t-boned by Erik Jones, triggering a multi-car wreck on the backstretch and bringing out the final caution.

Johnson had crossed the overtime line, located on the backstretch at the R of Dover, and was in Turn 3 when the caution ended the race and was declared the winner.

Jamie Little, Vince Welch and Matt Yocum handled the action on pit road for the television side.