NASCAR Cup Series driver Kyle Larson (5) celebrates after winning the Advent Health 400 at the Kansas Speedway. Reese Strickland-USA TODAY Sports

Watch: Kyle Larson wins closest finish in NASCAR Cup Series history

After a multi-hour rain delay, the NASCAR Cup Series' Advent Health 400 at Kansas Speedway on Sunday was worth the wait.

Kyle Larson (No. 5) edged out Chris Buescher (No. 17) by one one-thousandth of a second, setting a new all-time record for the closest finish in Cup Series history. The previous record was 0.002, set twice (Ricky Craven at Darlington in 2003 and Jimmie Johnson at Talladega in 2011).

It's the second time in 2024 that the Cup Series has seen a thriller at the line, after Daniel Suarez beat Ryan Blaney and Kyle Busch in a three-wide finish at Atlanta in February.

Tyler Reddick's victory in the 2019 PowerShares QQQ 300 at Daytona in NASCAR's second-tier Xfinity Series still holds the record (four ten-thousandths of a second) as the closest finish in any of the sport's top three series.

Chase Elliott finished third, while Martin Truex Jr. and Denny Hamlin rounded out the top five. Hamlin, looking for back-to-back victories, had led on the final restart with two laps to go but was shuffled by the field.

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