Cautions
Phoenix Spring Race: Cautions
All eyes are on Phoenix this week, not only for the spring race, but also to glean clues as to what we should expect in terms of cautions and lead changes when we return in […]
Racing
Cautions
Cautions at Las Vegas Motor Speedway
Should we expect a lot cautions for tomorrow’s race at Las Vegas Motor Speedway? Or will we get a lot of long green-flag runs? Let’s look at what’s happened in the past. Cautions Las Vegas […]
Graph of the Day
Las Vegas: Completion and Lead Lap Finishes
Some tracks eat cars. A small percentage of the cars that start actually finish the race. At other track, lots of cars complete the race, but few on the lead lap. Where does Las Vegas […]
Graph of the Day
Qualifying Matters at Las Vegas
Qualifying for the Daytona 500 is a long, arduous process — and makes surprisingly little difference. At Las Vegas Motor Speedway (our first mile-and-a-half track) qualifying makes more of a difference. If you want to […]
Graph of the Day
Daytona 500: Highest and Lowest Positions of Each Driver
Maybe not anyone can win the Daytona 500, but it turns out that almost anyone can lead it. That’s what the graphs showing the highest and lowest positions reached by each driver during the race […]
Daytona 500
Where Do Daytona 500 Pole Winners Finish?
Since 2001, not a single Daytona 500 winner started from the pole. So how do the pole winners fare? And why the difference from pre-2001? The Daytona 500 Divide Yesterday’s blog produced this surprising graph. […]
Graph of the Day
What Can We Learn from Daytona Qualifying?
Daytona qualifying is not the most exciting qualifying session of the year. Only two cars lock in their position. It’s a single-car one-lap format, but the lack of drafting is one of the few clues […]
Graph of the Day
Busch Clash Race Length
According to jayski.com, the Busch Clash format has changed 14 times since 1979. Some of those changes were race rules, while some were eligibility changes. One consequence of race rule changes is that the length […]
Cautions
Cautions and Yellow-Flag Lead Changes
Lead changes are frequently used as a way to measure how ‘good’ the racing is. But yellow-flag lead changes aren’t all that exciting. Even worse, they skew the statistics because a race with a lot […]
Aerodynamics
One NASCAR Rules Package for All Tracks?
NASCAR wants to cut costs for teams by developing a rules package that, with minimal tweaking, provides good racing at any track. The 2019 rules package met with mixed results. Races were mostly better at […]