GRAND PRIX OF SONOMA
Site: Sonoma, California.
Schedule: Friday, practice; Saturday, practice (NBC Sports Network, 1:30-2:30 p.m.), qualifying (NBC Sports Network, 6:30-8 p.m.); Sunday, practice, race, 5 p.m. (NBC Sports Network, 4-8 p.m.).
Track: Sonoma Raceway (road course, 2.385 miles).
Race distance: 202.73 miles, 85 laps.
Last year: Target Chip Ganassi's Scott Dixon raced to the last of his two 2014 victories.
Last week: Justin Wilson died Monday, a day after being hit in the head at Pocono by debris from another car. Andretti Autosport teammate Ryan Hunter-Reay won the race.
Fast facts: Team Penske's Juan Pablo Montoya enters the season finale with a 34-point lead over Rahal Letterman Lanigan Racing's Graham Rahal. Three-time champion Dixon, 2014 champion Will Power, Team Penske teammate Helio Castroneves and CFH Racing's Josef Newgarden also have a chance to take the season title. … Montoya won the Indianapolis 500 and the season opener at St. Petersburg. The Colombian won the 1999 CART championship. He won a NASCAR Sprint Cup race at the track in 2007. … Power won at the track in 2010, 2011 and 2013. He broke his in practice at Sonoma in 2009.
ROAD AMERICA 180
Site: Elkhart Lake, Wisconsin.
Schedule: Friday, practice (NBC Sports Network, 2:30-4 p.m., 4:30-6 p.m.); Saturday, qualifying (NBC Sports Network, 12:15-1:30 p.m.), race, 3 p.m. (NBC Sports Network, 2:30-6 p.m.)
Track: Road America (road course, 4.048 miles).
Race distance: 182.16 miles, 45 laps.
Last year: Brendan Gaughan raced to his first series victory. He beat Chase Elliott in a green-white-checkered finish on the rain-slicked track.
Last week: Kyle Busch won at Bristol for his third victory in six starts this season and record 73rd overall.
Fast facts: The race is the last of the series' three road-course events. Joey Logano won at Watkins Glen on Aug. 8, and Regan Smith took the Mid-Ohio event Aug. 15. … Road racer Boris Said is driving Joe Gibbs Racing's No. 54 Toyota. The 52-year-old Said was fourth at Watkins Glen and 13th at Mid-Ohio. He won a series road race in 2010 in Montreal. … Chris Buescher leads the standings, 19 points ahead of Ty Dillon and 23 in front of Elliott.
Next race: VFW Sport Clips Help A Hero 200, Sept. 5, Darlington Raceway, Darlington, South Carolina.
CAMPING WORLD TRUCK
CHEVROLET SILVERADO 250
Site: Bowmanville, Ontario.
Schedule: Saturday, practice (Fox Sports 1, 9:30-10:30 p.m., 11:30-1 p.m.), qualifying (Fox Sports 2, 5:30-7 p.m.); Sunday, race, 1:30 p.m. (Fox Sports 1, 1-4 p.m.).
Track: Canadian Tire Motorsport Park (road course, 2.459 miles).
Race distance: 157.37 miles, 64 laps.
Last year: Ryan Blaney won after passing German Quiroga in the final turn.
Last week: Blaney won at Bristol, taking the lead from Matt Crafton off a restart in a green-white-checkered finish and holding off Kyle Busch.
Fast facts: The race is the series' lone road-course event. … Canadian road racer Alex Tagliani is driving Brad Keselowski Racing's No. 29 Ford. Tagliani was second two weeks ago in the Xfinity road race at Mid-Ohio. He won a Champ Car race at Road America in 2004. … Tyler Reddick leads the standings, six points ahead of two-time defending champion Matt Crafton and seven in front of Erik Jones.
Next race: American Ethanol E15 225, Sept. 18, Chicagoland Speedway, Joliet, Illinois.