MONSTER ENERGY NASCAR CUP SERIES: FORD ECOBOOST 400 (267 laps, 400 miles around a 1.5-mile D-shaped oval), Homestead-Miami Speedway; Homestead, Fla.TV: Sunday, 2:30 p.m. ET (Green flag approx. 2:46 p.m. ET) – NBC (Radio: Motor Racing Network, SiriusXM NASCAR Radio Channel 90).THIS WEEK: The Championship four is set, and the drivers competing for the title at Homestead have been the four most consistent all season. Former champions Kevin Harvick and Kyle Busch are tied for the series lead with eight wins apiece. Defending champion Martin Truex Jr. has won four times for a lame-duck team shutting down after the race, and Joey Logano – still seeking his first title – has won twice. … None of that matters now as each has 5,000 points heading into Sunday. No carryovers, no bonuses. Whoever finishes ahead of the other three will be the 2018 champion. … Busch won last week at Phoenix, but he was likely getting to the finale on points anyway. … This is the 36th and final race of the season, and will be the 20th at Homestead-Miami. … In a statistical oddity, since the championship has been decided by the Homestead finish, the season champion has also won the race. That won’t last forever as eight other drivers have won races this year. … Homestead is not a difficult track, but like most 1.5-mile D-shaped ovals, it rewards patience and consistency. … Harvick, Truex and Busch have all won races here. Logano has finished fourth twice, in 2015 and 2016. … Harvick will carry the banner for Stewart-Haas Racing while Logano runs for Team Penske, both driving Ford Fusions. Toyota Camry driver Truex runs for Furniture Row Racing while his Toyota stablemate Busch represents Joe Gibbs Racing.(All stats and standings per NASCAR.com)NASCAR XFINITY SERIES: FORD ECOBOOST 300 (200 laps, 300 miles around a 1.5-mile D-shaped oval), Homestead-Miami Speedway; Homestead, Fla.TV: Saturday, 3 p.m. ET (Green flag approx. 3:16 p.m. ET) – NBCSN (Radio: Motor Racing Network, SiriusXM NASCAR Radio Channel 90).THIS WEEK: Just as in the Cup series, the driver who finishes ahead of the other three takes home the crown. … This is the 33rd and final race of the season and the 24th at the track for the series. … Cole Custer won this race last season, and if he can do that again he will be the champion. He was not in the final four last year as now full-time Cup driver William Byron won the crown. … Christopher Bell won last week at Phoenix to get into the final four when it looked like the driver with the most wins this season (now seven) was going to be on the outside looking in after starting the race from the back. … Bell (Toyota Camry), Custer (Ford Mustang), Tyler Reddick (Chevrolet Camaro) and Daniel Hemric (Chevrolet Camaro) will start the race with 4,000 points.(All stats and standings per NASCAR.com)NASCAR CAMPING WORLD TRUCK SERIES: FORD ECOBOOST 200 (134 laps, 201 miles around a 1.5-mile D-shaped oval), Homestead-Miami Speedway; Homestead, Fla.TV: Friday, 8 p.m. ET (Green flag approx. 8:15 p.m. ET) – FS1 (Radio: Motor Racing Network, SiriusXM NASCAR Radio Channel 90).THIS WEEK: It’s a Chevrolet Silverado vs. Toyota Tundra affair for the crown after Brett Moffitt secured his way into the finale with the win at Phoenix in his Tundra. The final four went chalk with the drivers holding on to those spots heading into Phoenix keeping them heading out. … Moffitt is joined by stablemate Noah Gragson, while Johnny Sauter and Justin Haley make up the Chevy contingent. … This is the 23rd and final race of the season and the 23rd series race at the track. … Sauter won the race here in 2011. … The drivers start the race with 4,000 points in the front-runner takes all event.(All stats and standings per NASCAR.com)*Denotes race win and berth in the championship race.VERIZON INDYCAR SERIESTHIS WEEK: The 2019 season starts March 10 in St. Petersburg, Fla.FORMULA ONETHIS WEEK: Lewis Hamilton put an exclamation point on his world championship earned in Mexico with a tight win in Brazil over Max Verstappen. … The series takes a week off before wrapping up the season in Abu Dhabi, but the only positions among the top five still to be contested are spots 3-5. It is very likely Kimi Raikkonen, Valtteri Bottas and Verstappen maintain their spots, respectively, in the finale. … Great Britain’s Hamilton leads the standings and is the champion in his Mercedes (383 points), followed by Germany’s Sebastian Vettel, Ferrari (302), Finland’s Raikkonen, Ferrari (251), Finland’s Bottas, Mercedes (237) and Belgium’s Verstappen, Red Bull (234).NATIONAL HOT ROD ASSOCIATIONTHIS WEEK: For the first time in NHRA history, the drivers that won Sunday at Pomona, Calif., were the drivers who were crowned champions. … The NHRA season is over after 24 events, wrapping up with the Auto Club NHRA Finals. … Steve Torrence was perfect in the Countdown playoffs in Top Fuel, winning six of six events. J.R. Todd won in Funny Car, Tanner Gray in Pro Stock, and Matt Smith in Pro Stock Motorcycle. … The series kicks off its 2019 season back at Pomona’s Auto Club Raceway with the Lucas Oil NHRA Nationals from Feb. 7-10.