The 7 Amazing NASCAR Stats of the Week

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David Smith's NASCAR Numbers Game

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<p> David Smith reveals seven NASCAR stats about Dale Earnhardt Jr., Greg Biffle, Casey Mears and AJ Allmendinger in the Sprint Cup Series.</p>

This weekend provides a rare off day on the jam-packed NASCAR Sprint Cup Series schedule, but that doesn’t mean analysis will stop. After five races, there is a litany of story-telling statistics in a series that continues to one-up itself, to the delight of news desks everywhere.

Secondary to all the controversial opinions, fighting and crashing, the most popular driver in the sport is the one sitting atop the NASCAR mountain. Dale Earnhardt Jr. leads the point standings, which, as you will read below, is well deserved.

For PEER and other metrics with which you may be unfamiliar, I refer you to my glossary of terms on MotorsportsAnalytics.com.


4.4 and 2.3   Dale Earnhardt Jr. and his No. 88 team lead full-time NASCAR Sprint Cup Series competitors in average finish (4.4) and finish deviation (2.3).

What does this mean? Earnhardt is the most consistent driver in the series right now — a zero deviation would mean the same finish over and over — while bringing home tremendous results. Junior Nation should be rejoicing, because that isn’t just the sort of thing that gets a driver to the Chase; what Earnhardt and his Steve Letarte-led race team are doing are habits of potential champions.


+54.2%  Earnhardt’s finishes are an increase of 54.2 percent over his average running position with 10 percent of a race to go.

That plus-54.2 percent position retainment difference is another habit of a title contender. That increase is worth about 26 positions — think of that as 26 extra points — earned in the waning laps of each race. On fresh tires, Earnhardt navigated through a firestorm of activity last Sunday at Auto Club Speedway, driving from 13th to second in the final 20 laps for his most lucrative home-stretch run of the season.


100%  Four teams in the Cup Series have finished in the top half of fields in all five races for a relevance percentage of 100.

“Relevance” is finishing in the top half of fields (21st or better in the Cup Series). This is important because hitting the 80 percent mark through the 26-race regular season all but lands a team one of the 10 automatic Chase spots. Of the four driver-team combinations currently with perfect relevance percentages, two of them aren’t surprises (Earnhardt and the No. 88 team and Greg Biffle with his No. 16 team) and two sort of are (Paul Menard and the No. 27 team and rookie Ricky Stenhouse Jr. and the new-look No. 17 team). It is no coincidence that all four teams are currently inside the top 12 of the point standings at this juncture.


41  The No. 16 team with Greg Biffle has gone 41 races without registering a DNF (Did Not Finish, a status frequently used in NASCAR box scores to indicate why a driver finished so poorly).

In today’s NASCAR, with Chase implications attached to every position gained or lost, consistency matters. That starts with finishing races, which is something Biffle and crew chief Matt Puccia have done in their sleep over the last year. Their most recent DNF was an engine failure in the 2011 season finale at Homestead, so credit the Roush Yates engine department for holding strong behind one of Ford’s best entries. Biffle himself deserves a tip of the cap for being able to avoid accidents well enough to go 76 races without an accident-related DNF.
 

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