Gio Scelzi (18) and Carson Macedo at I-55. (Mark Funderburk Photo)

Numbers: NASCAR At Texas, NHRA At Las Vegas & More

0 — Points separating rookie Jett Lawrence and veteran rider Cooper Webb atop the 450SX point standings with four races to go in the Monster Energy AMA Supercross season.

.002 — Margin of victory in seconds that Sam Mayer defeated Ryan Sieg in NASCAR Xfinity Series competition at Texas Motor Speedway.

1 — Ashton Torgerson earned his first Xtreme Outlaw Midget Series triumph at Farmer City (Ill.) Raceway.

3 — Spire Motorsports has won three Craftsman Truck Series races this season.

3 — Keelan Harvick, son of NASCAR champion Kevin Harvick, snagged the lead with three laps to go to win the legends race on Saturday night at North Carolina’s New River All American Speedway. 

4 — There have been four different (Erica Enders, Dallas Glenn, Greg Anderson, Jeg Coughlin Jr.) winners in NHRA Pro Stock competition this season.

4 — Anthony Macri leads the nation’s 410 sprint car drivers with four wins on the season. His latest triumph was with High Limit Racing at Texas Motor Speedway on Saturday.

4 — Races it took Tony Stewart to reach the finals in the NHRA Top Fuel class. Stewart finished fourth in the 4-Wide Nationals in Las Vegas.

5 — There have been five different winners in the first six races of the High Limit Racing sprint car season.

8.49 — Chase Elliott’s No. 9 Hendrick Motorsports team posted an 8.49-second pit stop during Sunday’s race at Texas Motor Speedway, which is the fastest of the mono-lug era.

9 — In his ninth try, 18-year-old Corey Day scored his first High Limit Racing victory on Sunday at RPM Speedway in Texas.

11 — Maverick Vinales vaulted from 11th on the grid to the win in Sunday’s MotoGP race at Circuit of The Americas in Austin, Texas. 

21 — Rafa Matos scored his 21st TA2 victory on Sunday at NOLA Motorsports Park, becoming the winningest driver in class history.

40 — Kevin Thomas Jr. earned his 40th USAC national sprint car triumph April 13 at Lawrenceburg (Ind.) Speedway.

42 — Chase Elliott ended a 42-race NASCAR Cup Series winless streak Sunday at Texas Motor Speedway.

42 — Winged 410 sprint cars in action at Ohio’s Attica Raceway Park on Saturday — more cars than the World of Outlaws (37) or High Limit Racing (37) drew for their Saturday night events.

53 — Doug Kalitta earned his 53rd NHRA Top Fuel victory at The Strip at Las Vegas Motor Speedway.

231 — Kyle Busch earned his 231st NASCAR national series victory when he picked up his 66th Craftsman Truck Series triumph Friday at Texas Motor Speedway.

400 — Carson Macedo reached his 400th World of Outlaws Sprint Car Series feature start last weekend at I-55 in Missouri. 

531 — After leading 77 laps during the Autotrader EchoPark Automotive 400 at Texas Motor Speedway on Sunday, Kyle Larson became the first driver to surpass 500 laps led this NASCAR Cup Series season.