Dover International Speedway
2021 Dover Spring Race Report
The race will be remembered for Hendrick Motorsports finishing 1-2-3-4. But it should also be remembered for historically low levels of passing. […]
The Building Speed Blog
Cautions
Are NASCAR Caution Lengths Increasing?
Do cautions get longer at the ends of races in the hopes of causing green-white-checkers finishes? […]
Darlington Raceway
Spring 2021 Darlington Race Report
How did the high-horsepower low-downforce package used for Spring 2021 Darlington compare to previous races? […]
Pit Stops
Pit-Stop Costs: The Next Way to Level the Playing Field?
The NextGen car promises to level the playing field for well-funded and less-well-funded teams. But what about pit-stop costs? […]
Richmond
2021 Spring Richmond Race Report
NASCAR modified the 2021 Spring Richmond race stages to avoid long green-flag runs at the end. The deciding factor was Kevin Harvick’s spin. […]
Martinsville Speedway
2021 Spring Martinsville Race Report
The 2021 Spring Martinsville race was delayed, but typical Martinsville. At least, typical of the last few Spring races at Martinsville. […]
Cautions
How Often Are There Cautions in the Last 10 Laps of a Race?
Every week, someone suggests that NASCAR manufactures cautions in the last 10 laps of a race. So I got to wondering: How often are there cautions in the last 10 laps of a race? And why? […]
Bristol Motor Speedway
Dirt Physics
The same physics applies everywhere. So why will racing on dirt be so different? […]
Atlanta Motor Speedway
2021 Spring Atlanta Race Review
The 2021 Spring Phoenix Race Review highlights lots of leaders, and more green-flag passing that we’ve seen at the spring race for quite some time. […]
Pit Road
Pit Road Speeding FAQ
One of the most common penalties in a NASCAR race is speeding on pit road. So how does NASCAR measure and assess pit-road speeding penalties? […]