William Byron, third from left, celebrates his win after a NASCAR Cup Series auto race on Sunday at Circuit of the Americas in Austin. (Darren Abate/AP Photo)

Associated Press

William Byron is the first multiple race winner of the year in NASCAR’s top series. The Hendrick Motorsports driver added a victory at Circuit of the Americas to his season-opening Daytona 500 win. It was the fourth victory in six races for Chevrolet and ended a two-race winning streak for Toyota. The Cup and Xfinity series head to Richmond this weekend. Carlos Sainz Jr. ended Max Verstappen’s nine-race winning streak in Formula 1 when Verstappen retired early in Australia. And Alex Palou dominated throughout and led every lap of the Indycar all-star event, the Thermal $1 million Challenge.

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NASCAR CUP SERIES

Toyota Owners 400

Site: Richmond, Virginia.

Schedule: Saturday, practice, 9:30 a.m., and qualifying, 10:15 a.m.; Sunday, race, 6 p.m. (FOX).

Track: Richmond Raceway.

Race distance: 400 laps, 300 miles.

Last year: Kyle Larson won after starting ninth.

Last race: William Byron became the first two-time winner of the year as he started from the pole and won on the Circuit of the Americas in Texas.

Fast facts: Byron’s victory was the 12th of his career. … He led by nearly three seconds with 10 laps to go, then held off Christopher Bell by 0.692 seconds to win. … Bell’s Joe Gibbs Racing teammate, Ty Gibbs, was third, his fifth top-10 finish in six races. … Byron’s victory was the fourth for Chevrolet in six races and ended a two-race Toyota winning streak. … Byron’s Hendrick Motorsports teammate Alex Bowman finished fourth, followed by defending champion Tyler Reddick of 23XI Racing’s, the team owned by Denny Hamlin and NBA great Michael Jordan.

Next race: April 7, Martinsville, Virginia.

Online: http://www.nascar.com

NASCAR Cup Series Points Leaders (Through March 25): 1. Martin Truex Jr, 220. 2. Ty Gibbs, 215. 3. Ryan Blaney, 211. 4. Denny Hamlin, 206. 5. Kyle Larson, 205. 6. William Byron, 183. 7. Christopher Bell, 183. 8. Ross Chastain, 182. 9. Chase Elliott, 173. 10. Tyler Reddick, 171. 11. Alex Bowman, 165. 12. Chris Buescher, 153. 13. Kyle Busch, 150. 14. Daniel Suárez, 148. 15. John H. Nemechek, 144. 16. Brad Keselowski, 134. 17. Chase Briscoe, 131. 18. Bubba Wallace, 129. 19. Austin Cindric, 119. 20. Michael McDowell, 119. 21. Erik Jones, 106. 22. Joey Logano, 100. 23. Corey LaJoie, 99. 24. Ricky Stenhouse Jr, 98. 25. Carson Hocevar, 95.

NASCAR XFINITY SERIES

ToyotaCare 250

Site: Richmond, Virginia.

Schedule: Saturday, practice, 7:35 a.m., qualifying, 8:05 a.m., and race, 12:30 p.m. (FS1).

Track: Richmond Raceway.

Race distance: 250 laps, 187.5 miles.

Last year: Chandler Smith won after starting eighth.

Last race: Kyle Larson passed dueling leaders Shane van Gisbergen and Austin Hill on the final lap in the second overtime and won at the Circuit of the Americas road course.

Fast facts: Van Gisbergen, the pole-winner, was second in the No. 97 Kaulig Racing Chevy but was assessed a 30-second penalty for exceeding track limits in the last-lap battle with Hill, which ultimately put him in 28th. So Hill was officially scored as the runner-up. … Larson had qualified for the pole but was penalized when his team had to replace a broken brake rotor before the race. … The victory was Larson’s 15th in the series.

Next race: April 6, Martinsville, Virginia.

Online: http://www.nascar.com

NASCAR Xfinity Points Leaders (Through March 25): 1. Austin Hill, 222 (2). 2. Chandler Smith, 213 (1). 3. Cole Custer, 192 (0). 4. Jesse Love, 166 (0). 5. Riley Herbst, 165 (0). 6. AJ Allmendinger, 162 (0). 7. Parker Kligerman, 147 (0). 8. Justin Allgaier, 143 (0). 9. Brandon Jones, 139 (0). 10. Sheldon Creed, 135 (0). 11. Sammy Smith, 124 (0). 12. Anthony Alfredo, 123 (0). 13. Ryan Sieg, 123 (0). 14. Shane Van Gisbergen, 108 (0). 15. Parker Retzlaff, 103 (0). 16. Brennan Poole, 92 (0). 17. Jeremy Clements, 91 (0). 18. Leland Honeyman, 85 (0) 19. Sam Mayer, 75 (0). 20. Blaine Perkins, 75 (0). 21. Ryan Ellis, 73 (0). 22. BJ McLeod, 69 (0). 23. Kyle Weatherman, 66 (0). 24. Ryan Truex, 64 (0). 25. Jeb Burton, 53 (0).

NASCAR TRUCK SERIES

Last race: Corey Heim led 31 of the 46 laps and cruised to victory in overtime at the Circuit of the Americas, his first victory this year and the sixth of his career.

Next race: April 5, Martinsville, Virginia.

Online: http://www.nascar.com

NASCAR Craftsman Truck Points Leaders (Through March 25): 1. Corey Heim, 207. 2. Ty Majeski, 197. 3. Tyler Ankrum, 196. 4. Taylor Gray, 179. 5. Rajah Caruth, 178. 6. Christian Eckes, 177. 7. Nicholas Sanchez, 170. 8. Matt Crafton, 148. 9. Grant Enfinger, 139. 10. Tanner Gray, 121. 11. Ben Rhodes, 120. 12. Bret Holmes, 103. 13. Stewart Friesen, 102. 14. Jake Garcia, 101. 15. Daniel Dye, 99. 16. Bayley Currey, 97. 17. Dean Thompson, 93. 18. Timmy Hill, 86. 19. Ty Dillon, 80. 20. Chase Purdy, 75. 21. Spencer Boyd, 69. 22. Stefan Parsons, 68. 23. Layne Riggs, 61. 24. Kaden Honeycutt, 58. 25. Lawless Alan, 58. 26. Jack Wood, 58.

FORMULA ONE

Last race: Carlos Sainz of Ferrari ended Max Verstappen’s nine-race winning streak dating to last year when Verstappen retired early with a fiery mechanical failure in Australia. The victory came two weeks after Sainz missed the race in Saudi Arabia after an appendectomy.

Next race: April 7, Suzuka, Japan.

Online: http://www.formula1.com

Formula One Points Leaders (Through March 24): 1. Max Verstappen, 51. 2. Charles Leclerc, 47. 3. Sergio Perez, 46. 4. Carlos Sainz Jr, 40. 5. Oscar Piastri, 28. 6. Lando Norris, 27. 7. George Russell, 18. 8. Fernando Alonso, 16. 9. Lance Stroll, 9. 10. Lewis Hamilton, 8. 11. Yuki Tsunoda, 6. 11. Oliver Bearman, 6. 13. Nico Hulkenberg, 3. 14. Kevin Magnussen, 1.

INDYCAR

Last race: Two-time and reigning IndyCar champion Alex Palou won the Thermal $1 Million Challenge, leading all 20 laps of IndyCar’s first non-points race since 2008.

Next race: April 21, Long Beach, California.

Online: http://www.indycar.com

IndyCar Points Leaders (Through March 24): 1. Josef Newgarden, 54.2. Pato O’Ward, 40. 3. Scott McLaughlin, 35. 4. Will Power, 32. 5. Colton Herta, 31. 6. Alex Palou, 28. 7. Felix Rosenqvist, 26. 8. Alexander Rossi, 24. 9. Scott Dixon, 22. 10. Rinus VeeKay, 20. 11. Santino Ferrucci, 19. 12. Kyle Kirkwood, 18. 13. Callum Ilott, 17. 14. Kyffin Simpson, 16. 15. Pietro Fittipaldi, 15. 16. Graham Rahal, 14. 17. Tom Blomqvist, 13. 18. Agustin Canapino, 12. 19. Christian Lundgaard, 11. 20. Jack Harvey, 11. 21. Christian Rasmussen, 9. 22. Colin Braun, 8. 23. Linus Lundqvist, 7. 24. Romain Grosjean, 6. 25. Marcus Armstrong, 5. 26. Marcus Ericsson, 5. 27. Sting Ray Robb, 5.

NHRA DRAG RACING

Last event: Finals postponed in Pomona, California.

Next event: April 7, Phoenix, Arizona.

Online: http://www.nhra.com

WORLD OF OUTLAWS

Next events: March 30, Wichita, Kansas.

Online: http://worldofoutlaws.com/sprintcars

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NASCAR Cup Series Schedule-Winners

Feb. 3 — x-Busch Light Clash at The Coliseum (Denny Hamlin)

Feb. 15 — x-Bluegreen Vacations Duel 1 at DAYTONA (Tyler Reddick)

Feb. 15 — x-Bluegreen Vacations Duel 2 at DAYTONA (Christopher Bell)

Feb. 19 — DAYTONA 500 (William Byron)

Feb. 25 — Ambetter Health 400 (Daniel Suárez)

March 3 — Pennzoil 400 presented by Jiffy Lube (Kyle Larson)

March 10 — Shriners Children’s 500 (Christopher Bell)

March 17 — Food City 500 (Denny Hamlin)

March 24 — EchoPark Automotive Grand Prix (William Byron)

March 31 — Toyota Owners 400, Richmond, Va.

April 7 — Cook Out 400, Ridgeway, Va.

April 14 — Autro EchoPark Automotive 400, Fort Worth

April 21 — GEICO 500, Talladega, Ala.

April 28 — Wurth 400, Dover, Del.

May 5 — AdventHealth 400, Kansas City, Kan.

May 12 — Goodyear 400, Darlington, S.C.

May 19 — x-NASCAR All-Star Open, North Wilkesboro, N.C.

May 19 — NASCAR All-Star Race, North Wilkesboro, N.C.

May 26 — Coca-Cola 600, Concord, N.C.

June 2 — Enjoy Illinois 300 presented by TicketSmarter, Madison, Ill.

June 9 — Toyota / Save Mart 350, Sonoma, Calif.

June 16 — Iowa Corn 350 Powered by Ethanol, Newton, Iowa

June 23 — NASCAR Cup Series Race at New Hampshire, Loudon, N.H.

June 30 — Ally 400, Lebanon, Tenn.

July 7 — Grant Park 165, Chicago

July 14 — HighPoint.com 400, Long Pond, Pa.

July 21 — Brickyard 400, Speedway, Ind.

Aug. 11 — Cook Out 400, Richmond, Va.

Aug. 18 — FireKeepers Casino 400, Brooklyn, Mich.

Aug. 24 — Coke Zero Sugar 400, Daytona Beach, Fla.

Sept. 1 — Cook Out Southern 500, Darlington, S.C.

Sept. 8 — Quaker State 400 available at Walmart, Hampton, Ga.

Sept. 15 — Go Bowling at The Glen, Watkins Glen, N.Y.

Sept. 21 — Bass Pro Shops Night Race, Bristol, Tenn.

Sept. 29 — Hollywood Casino 400, Kansas City, Kan.

Oct. 6 — YellaWood 500, Talladega, Ala.

Oct. 13 — Bank of America ROVAL 400, Concord, N.C.

Oct. 20 — South Point 400, Las Vegas

Oct. 27 — NASCAR Cup Series Race at Homestead-Miami, Homestead, Fla.

Nov. 3 — XFINITY 500, Ridgeway, Va.

Nov. 10 — NASCAR Cup Series Championship, Avondale, Ariz.

x-non-points race