50 — Denny Hamlin claimed his 50th NASCAR Cup Series victory July 23 at Pennsylvania’s Pocono Raceway. He added No. 51 later in the year.
100 — Kyle Busch Motorsports earned its 100th NASCAR Craftsman Truck Series victory with team owner Kyle Busch driving at Pocono Raceway. Busch then sold the operation to Spire Motorsports in late September.
.02 — Brian Brown’s margin of victory over Aaron Reutzel in the 360 Knoxville Nationals at Knoxville (Iowa) Raceway.
4 — NHRA Top Alcohol Dragster victories for Tony Stewart during his rookie drag racing season.
17 — Age of Corey Day when he won his first World of Outlaws Sprint Car Series race, which came Sept. 9 during the Gold Cup Race of Champions at California’s Silver Dollar Speedway.
1,079 — Days between Doug Kalitta’s 49th Top Fuel victory (October 2020) and his 50th, which he earned Sept. 18 at Pennsylvania’s Maple Grove Raceway.
217.898 — The average speed of Kyle Larson’s best lap during rookie orientation for next year’s Indy 500 at Indianapolis Motor Speedway.
1 — By winning the Xtreme Outlaw Midget Series title, Jade Avedisian became the first woman to earn a national midget championship.
47 — Erica Enders became NHRA’s top female winner with her 47th Pro Stock victory Oct. 15 at the Texas Motorplex. Angelle Sampey previously held the record.
3 — Third-generation driver Ryan Blaney scored three victories en route to his first NASCAR Cup Series championship.
25 — Years it took 1994 USAC sprint car champion Doug Kalitta to capture his first NHRA Top Fuel championship.
6 — Wallys Matt Hagan earned en route to his fourth NHRA Funny Car title. He is now one of four drivers (John Force, Kenny Bernstein and Don Prudhomme) to win four or more Funny Car championships.
51 — Eli Tomac earned his 51st career Monster Energy AMA Supercross win April 8 at State Farm Stadium in Glendale, Ariz. He’s second on the all-time list to Jeremy McGrath’s 72 triumphs.