NASCAR Xfinity Series race at California Speedway
Motor race
NASCAR Xfinity Series at Auto Club Speedway NASCAR Xfinity Series Venue California Speedway Location Fontana, California ,United States First race 1997 (1997 ) Last race 2023 (2023 ) Distance 300 miles (480 km) Laps 150Stages 1/2: 35 eachFinal stage: 80 Previous names Kenwood Home & Car Audio 300 (1997–1998)Auto Club 300 (1999–2002)1-800-Pitshop.com 300 (2003)Stater Brothers 300 Presented by Gatorade (2004)Stater Brothers 300 (2005–2010)Royal Purple 300 (2011–2013)Treatmyclot.com 300 (2014)Drive4Clots.com 300 (2015)Treatmyclot.com 300 by Janssen (2016)Service King 300 (2017)Roseanne 300 (2018) Production Alliance Group 300 (2019-2020, 2022-2023)[ 1] Former second race: Target House 300 (2004)Ameriquest 300 (2005–2006)Camping World 300 Presented by RVs.com (2007)Camping World RV Service 300 Presented by Coleman (2008)Copart 300 (2009)CampingWorld.com 300 (2010)Most wins (driver) Kyle Busch (6)Most wins (team) Joe Gibbs Racing (11)Most wins (manufacturer) Ford Toyota (11)Circuit information Surface Asphalt Length 2.0 mi (3.2 km) Turns 4
Stock car races in the then-NASCAR Xfinity Series were held atAuto Club Speedway inFontana, California from1997 to2023 . The race was held as a 150 lap, 300 mile (480 km) race.
A second race at the track was also held during the fall as support to theCup fall race from 2004 until the track lost its second Cup date after 2010.
No races have been held since 2023, as the track is currently undergoing demolition of the 2-mile oval.
# Wins Make Years won 11 Ford Spring: 2002–2007, 2018–2019, 2022 Fall: 2004–2005 Toyota Spring: 2008–2013, 2020, 2023 Fall: 2008–2010 9 Chevrolet Spring: 1998–2001, 2014–2017 Fall: 2007 1 Pontiac Spring: 1997 Dodge Fall: 2006
^ "Production Alliance Group named title sponsor of NASCAR Xfinity 300 race at Auto Club Speedway" .Auto Club Speedway . March 6, 2019. Archived fromthe original on August 13, 2020. RetrievedMarch 6, 2019 .^ "1997 Kenwood Home & Car Audio 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "1998 Kenwood Home & Car Audio 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "1999 Auto Club 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2000 Auto Club 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2001 Auto Club 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2002 Auto Club 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2003 1-800-Pit-Shop.com 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2004 Stater Brothers 300 Presented by Gatorade" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2004 Target House 300" . Racing-Reference. RetrievedNovember 15, 2021 .^ "2005 Stater Brothers 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2005 Ameriquest 300" . Racing-Reference. RetrievedNovember 15, 2021 .^ "2006 Stater Brothers 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2006 Ameriquest 300" . Racing-Reference. RetrievedNovember 15, 2021 .^ "2007 Stater Brothers 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2007 Camping World 300 presented by RVS.com" . Racing-Reference. RetrievedNovember 15, 2021 .^a b "2008 Stater Brothers 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2008 Camping World RV Service 300 presented by Coleman" . Racing-Reference. RetrievedNovember 15, 2021 .^ "2009 Stater Brothers 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^a b "2009 Copart 300" . Racing-Reference. RetrievedNovember 15, 2021 .^a b "2010 Stater Brothers 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2010 CampingWorld.com 300" . Racing-Reference. RetrievedNovember 15, 2021 .^ "2011 Royal Purple 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2012 Royal Purple 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2013 Royal Purple 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2014 TreatMyClot.com 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2015 Drive4Clots.com 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2016 TreatMyClot.com 300 by Janssen" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2017 Service King 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2018 Roseanne 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2019 Production Alliance Group 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^ "2020 Production Alliance Group 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedJanuary 1, 2022 .^a b Crandall, Kelly (December 8, 2020)."Fontana dropped, Daytona races added to 2021 NASCAR schedule" .Racer . RetrievedJanuary 3, 2021 . ^ "2022 Production Alliance Group 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedFebruary 26, 2022 .^a b "2023 Production Alliance Group 300" .Racing-Reference . NASCAR Digital Media, LLC. RetrievedFebruary 26, 2023 .
Current (2026 )
Former Note : The Xfinity Series has multiple events at the same racing venue.