The 2024 Nashville Practice Report features a fast Ty Gibbs, only two Chevys in the top-10 single-lap practice times, and a good showing from Ford. But don’t rely on a simple inspection of the practice list for your picks! […]
The 2024 Iowa race report has some edgy tires, a disaster for both Kyles and the first win of the season for defending champion Ryan Blaney. So let’s get to it! Caution- and Lead-O-Gram We […]
The 2024 Darlington race report is a great example of how numbers never tell the entire story of a race. We’ve got side-by-side racing but not a lot of official lead changes, and bold moves, some of which worked and some of which didn’t. […]
Hello and welcome to the 2024 Kansas I Race Report. Things have been going slowly here at BuildingSpeed because of a total re-org of the data system. That meant I had to re-write a ton of programs. Expect this report to grow as more of the plots get re-written. […]
The 2024 spring Martinsville lead change preview shows lead-change variations throughout the last three generations of the NASCAR race car. This information provides necessary perspective for understanding this week’s race results. […]
The Phoenix short-track-package testing: Day 1 comes to you after a long day of tire testing and mock races — which produced some pretty optimistic drivers and engineers. What Was Tested NASCAR asked teams to […]
The 2023 fall Martinsville race report features an astoundingly high fraction of green-flag passes, a new tire that worked for racing, but not for the pace car and some costly pit-road snafus. […]
The 2023 fall Las Vegas lead change review has 9 green-flag passes and an epic battle between Kyle Larson and Christopher Bell. […]
Michael McDowell guaranteed his spot in the playoffs with a dominant performance at the Indianapolis road course. He led the most laps in a race that he’s ever led in his career, especially meaningful when […]
NASCAR moved the restart zone at the Indianapolis Motor Speedway’s road course from just before the start-finish line to between turns 13 and 14. They hope that lengthening the distance between the restart zone and the tight Turn 1 right hander will decrease the chaos that has become a track signature. […]
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