Norbert Siedler (born 29 December 1982 in Wildschönau) is an Austrian racing driver who currently competes in the 2025 Nürburgring Langstrecken-Serie for Eastalent Racing in a Audi R8 LMS GT3 Evo II.

Career Siedler began his career in motorsport in karts. In 1992, he began at the age of ten years in the German Kartszene and in 1997, won the junior class. In 1999, he was an Austrian kart driver. In 2000, he moved into Formula Ford and won in Germany and Austria as well as the championship. In 2001, he drove in the German Formula Three Championship. For the team Palfinger, he finished fourth place twice, including once at Hockenheim supporting the German Grand Prix. In 2002, he was sixth in the championship and finished the season with a victory in the last race at Hockenheim. This was followed by three years in the Italian Euro Formula 3000 Championship. In 2005, he won the championship after two victories in eight races overall standings.

In 2003, Siedler traveled to Vallelunga for a Formula One test with Minardi. In 2007 he drove for Kruse Motorsport in the LMP2 class in the Le Mans Endurance Series finishing fifth place at Monza. He made his debut in the Le Mans 24 Hours, again in a Kruse Motorsport Pescarolo-Judd, ending with an engine failure after 98 laps.

Towards the end of the 2007 season, Siedler joined ADM Motorsport in the new racing series International Formula Master. He began his career in the series with victory at Porto and Anderstorp.

Since 2008, Siedler has run in the Porsche Supercup.

Racing record Racing career summary

Season Series Team Races Wins Poles F/Laps Podiums Points Position 2000 Austrian Formula Ford Championship ? ? ? ? ? ? ? 1st 2001 German Formula Three Championship Palfinger F3 Racing Team 20 0 0 0 0 24 18th 2002 German Formula Three Championship Swiss Racing Team 18 1 0 0 3 28 6th 2003 World Series by Nissan Superfund Zele Racing 12 0 0 0 1 25 15th RC Motorsport 2 0 0 0 0 Euro Formula 3000 Series Euronova Racing 1 0 0 0 1 4 13th 2004 Euro Formula 3000 Series ADM Motorsport 10 2 6 2 4 37 3rd 2005 3000 Pro Series ADM Motorsport 8 2 6 3 5 49 1st 2006 Atlantic Championship Brooks Associates Racing 3 0 0 0 0 13 29th Le Mans Series - LMP2 Kruse Motorsport 1 0 0 0 1 8 11th 2007 International Formula Master ADM Motorsport 10 2 0 2 4 40 6th Le Mans Series - LMP2 Kruse Motorsport 4 0 0 0 0 8 11th 24 Hours of Le Mans - LMP2 1 0 0 0 0 N/A DNF 2008 International Formula Master ADM Motorsport 12 0 0 1 2 22 10th Pro Motorsport 2 0 0 0 0 Porsche Supercup Veltins MRS Racing 11 0 0 0 0 39 17th 2009 Porsche Supercup Veltins MRS Racing 12 0 0 0 2 132 5th 2010 Porsche Supercup Veltins MRS Racing 10 1 0 1 3 98 3rd 2011 Porsche Supercup Veltins Lechner Racing 11 0 1 0 3 145 2nd ADAC GT Masters MRS Team PZ Aschaffenburg 2 1 0 1 1 27 24th 2012 Porsche Supercup Veltins Lechner Racing 11 1 3 3 3 121 4th Porsche Carrera Cup Germany Konrad Motorsport 17 1 0 1 4 178 5th Porsche Carrera Cup Italy Petricorse Motorsport 2 0 0 0 0 0 NC 24 Hours of Nürburgring - SP9 Timbuli Racing 1 0 0 0 0 N/A 11th 2013 Porsche Carrera Cup Germany Aust Motorsport 17 1 2 3 4 167 4th American Le Mans Series - GTC TRG 1 0 0 0 0 0 NC Rolex Sports Car Series - GT Mühlner Motorsports America 1 0 0 0 0 16 62nd 24 Hours of Nürburgring - SP9 Timbuli Racing 1 0 0 0 0 N/A DNF 2014 Porsche Carrera Cup Germany ZaWotec Racing 10 0 1 0 0 61 14th United SportsCar Championship - GTD Park Place Motorsports 3 0 0 0 0 35 54th Dempsey Racing 1 0 0 0 0 Blancpain Endurance Series - Pro-Am GT Corse by Rinaldi 1 0 0 0 0 0 NC Blancpain Sprint Series Trackspeed 2 0 0 0 0 0 NC ADAC GT Masters Tonino Team Herberth 10 0 1 0 2 73 13th 24 Hours of Nürburgring - SP9 Haribo Racing Team 1 0 0 0 0 N/A NC 2015 Blancpain Endurance Series - Pro Rinaldi Racing 3 0 0 0 0 6 24th Blancpain Endurance Series - Pro-Am 2 1 1 0 1 31 12th Blancpain Sprint Series 13 2 1 0 6 95 4th British GT Championship - GT3 Trackspeed 2 0 0 0 0 0 NC 24 Hours of Nürburgring - SP9 Haribo Racing Team 1 0 0 0 0 N/A DNF 2016 IMSA SportsCar Championship - GTD Park Place Motorsports 1 0 1 0 0 15 60th Blancpain GT Series Endurance Cup Emil Frey Racing 1 0 0 0 0 6 40th Rinaldi Racing 2 0 0 0 0 Blancpain GT Series Sprint Cup 8 0 0 0 0 19 13th ADAC GT Masters HB Racing WDS Bau 12 0 0 0 1 32 24th 24 Hours of Nürburgring - SP9 Frikadelli Racing Team 1 0 0 0 0 N/A DNF 2017 IMSA SportsCar Championship - GTD Park Place Motorsports 1 0 0 0 0 7 82nd Blancpain GT Series Endurance Cup Emil Frey Jaguar Racing 1 0 0 0 0 0 NC Rinaldi Racing 1 0 0 0 0 GRT Grasser Racing Team 2 0 0 0 0 Blancpain GT Series Sprint Cup 5 0 0 0 1 5 22nd ADAC GT Masters HB Racing WDS Bau 13 0 0 0 0 22 25th 24H Series - A6 HB Racing 1 International GT Open Farnbacher Racing 2 0 0 0 0 8 31st 24 Hours of Nürburgring - SP9 Frikadelli Racing Team 1 0 0 0 0 N/A 6th 2018 IMSA SportsCar Championship - GTD Park Place Motorsports 1 0 0 0 0 13 63rd Blancpain GT Series Endurance Cup Emil Frey Lexus Racing 5 0 0 0 1 15 27th Blancpain GT Series Sprint Cup 10 0 0 0 0 13 16th 24 Hours of Nürburgring - SP9 Frikadelli Racing Team 1 0 0 0 0 N/A DNF 2019 International GT Open Emil Frey Racing1441171162nd 2020 GT World Challenge Europe Endurance Cup Emil Frey Racing 4 0 0 0 0 0 NC GT World Challenge Europe Sprint Cup 7 0 2 1 0 21 14th ADAC GT Masters Space Drive Racing by KÜS Team75 Bernhard 2 0 0 0 0 0 NC YACO Racing 2 0 0 0 0 24 Hours of Nürburgring - SP9 Frikadelli Racing Team 1 0 0 0 0 N/A DNF 2021 GT World Challenge Europe Endurance Cup Emil Frey Racing 4 0 0 0 0 16 17th GT World Challenge Europe Sprint Cup 8 1 0 1 2 31.5 9th ADAC GT Masters YACO Racing 12 0 0 0 0 12 37th 2022 GT World Challenge Europe Endurance Cup JP Motorsport 2 0 0 0 0 0 NC GT World Challenge Europe Sprint Cup 2 0 0 0 0 0 NC ADAC GT Masters Eastalent Racing Team 14 0 0 0 1 47 25th 2023 GT World Challenge Europe Sprint Cup JP Motorsport 6 0 0 0 0 0 NC24H GT Series - GT3 1 202524 Hours of Nürburgring - SP9 ProEastalent Racing Team 1 0 0 0 0 N/A 5th2026International GT OpenZRS MotorsportGT4 Italian Series - Pro-AmCentri Porsche Ticino

Complete Le Mans Series results (key) (Races in bold indicate pole position; races in italics indicate fastest lap) Year Entrant Class Car Engine 1 2 3 4 5 6 Pos. Points 2006 Kruse Motorsport LMP2 Courage C65 Judd XV675 3.4 L V8 IST SPA NÜR DON JAR 11th 8 2007 Kruse Motorsport LMP2 Pescarolo 01 Judd XV675 3.4 L V8 MNZ VAL NÜR SPA SIL INT 11th 8

Complete 24 Hours of Le Mans results Year Team Co-Drivers Car Class Laps 2007 Kruse Motorsport Tony Burgess Jean de Pourtales Pescarolo 01-Judd LMP2 98 DNF DNF

Complete Porsche Supercup results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team 1 2 3 4 5 6 7 8 9 10 11 12 13 DC Points 2008 Veltins MRS Racing BHR BHR ESP TUR MON FRA GBR GER HUN ESP BEL ITA 17th 39 2009 Veltins MRS Racing BHR BHR ESP MON TUR GBR GER HUN ESP BEL ITA UAE UAE 5th 132 2010 Veltins MRS Racing BHR BHR ESP MON ESP GBR GER HUN BEL ITA 3rd 98 2011 Veltins Lechner Racing TUR ESP MON GER GBR GER HUN BEL ITA UAE UAE 2nd 145 2012 Veltins Lechner Racing BHR BHR MON ESP GBR GER HUN HUN BEL ITA 4th 121

Complete ADAC GT Masters results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team Car 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Points 2011 MRS Team PZ Aschaffenburg Porsche 911 GT3 ROSC1OSC2SAC1SAC2ZOL1ZOL2NÜR1NÜR2 RBR1 RBR2LAU1LAU2ASS1ASS2HOC1HOC224th27 2014 Tonino Team Herberth Porsche 911 GT3 ROSC1OSC2ZAN1ZAN2LAU1LAU2RBR1RBR2SLO1SLO2NÜR1NÜR2SAC1SAC2HOC1HOC2 13th 73 2016 HB Racing WDS Bau Lamborghini Huracán GT3 OSC1 OSC2 SAC1 SAC2 LAU1 LAU2 RBR1 RBR2 NÜR1 NÜR2 ZAN1 ZAN2HOC1HOC2 24th 32 2017 HB Racing WDS Bau Lamborghini Huracán GT3 OSC1 OSC2 LAU1 LAU2 RBR1 RBR2 ZAN1 ZAN2 NÜR1 NÜR2 SAC1 SAC2 HOC1 HOC225th22 2020 Space Drive Racing by KÜS Team75 Bernhard Porsche 911 GT3 R LAU1 LAU2 NÜR1 NÜR2 HOC1 HOC2 SAC1 SAC2 NC 0 YACO Racing Audi R8 LMS Evo RBR1 RBR2 LAU1 LAU2 OSC1 OSC22021 YACO RacingAudi R8 LMS Evo OSC1 OSC2 RBR1 RBR2 ZAN1 ZAN2 LAU1 LAU2 SAC1 SAC2 HOC1 HOC2 NÜR1 NÜR2 37th 122022 Eastalent Racing TeamAudi R8 LMS Evo IIOSC1OSC2RBR1RBR2ZAN1ZAN2NÜR1NÜR2LAU1LAU2SAC1SAC2HOC1HOC2 25th 47

Complete GT World Challenge Europe results GT World Challenge Europe Endurance Cup (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team Car Class 1 2 3 4 5 6 7 Pos. Points 2014 GT Corse by Rinaldi Ferrari 458 Italia GT3 Pro-AmMNZSILLECSPA6HSPA12HSPA24HNÜR NC 0 2015 Rinaldi Racing Ferrari 458 Italia GT3 Pro-AmMNZSPA6HSPA12HSPA24H 12th 31 Pro SILLECNÜR 24th 6 2016 Rinaldi Racing Ferrari 458 Italia GT3 ProMNZSILLECSPA6HSPA12HSPA24H 40th 6 Emil Frey Racing Jaguar XK Emil Frey G3NÜR 2017 GRT Grasser Racing Team Lamborghini Huracán GT3 ProMNZSILLEC NC 0 Emil Frey Jaguar Racing Jaguar XK Emil Frey G3CAT Rinaldi Racing Ferrari 488 GT3 Pro-AmSPA6HSPA12HSPA24H NC 0 2018 Emil Frey Lexus Racing Lexus RC F GT3 Pro MNZ SIL LEC SPA6H SPA12H SPA24H CAT 27th 15 2020 Emil Frey Racing Lamborghini Huracán GT3 Evo Pro IMO NÜR SPA6H SPA12H SPA24H LEC NC 0 2021 Emil Frey Racing Lamborghini Huracán GT3 Evo Pro MNZ LEC SPA6H SPA12H SPA24H NÜR CAT 17th 16 2022 JP Motorsport McLaren 720S GT3 Gold IMO LEC SPA6H SPA12H SPA24H HOC CAT 11th 27

GT World Challenge Europe Sprint Cup (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team Car Class 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Pos. Points 2014 Trackspeed Porsche 997 GT3-R Pro NOGQR NOGCR BRHQR BRHCR ZANQR ZANCR SVKQR SVKCR ALGQR ALGCR ZOLQR ZOLCR BAKQR BAKCR NC 0 2015 Rinaldi Racing Ferrari 458 Italia GT3 ProNOGQRNOGCRBRHQRBRHCRZOLQRZOLCRMSCQRMSCCRALGQRALGCRMISQRMISCRZANQRZANCR 4th 952016 Rinaldi Racing Ferrari 458 Italia GT3Pro MISQR MISCR14th19Ferrari 488 GT3 BRHQR BRHCR NÜRQR NÜRCR HUNQR HUNCRPro-Am CATQR CATCR 5th 31 2017 GRT Grasser Racing Team Lamborghini Huracán GT3 Pro MISQR MISCR BRHQR BRHCR ZOLQR ZOLCR HUNQR HUNCR NÜRQR NÜRCR 22nd 5 2018 Emil Frey Lexus Racing Lexus RC F GT3 Pro ZOL1 ZOL2 BRH1 BRH2 MIS1 MIS2 HUN1 HUN2 NÜR1 NÜR2 16th 13 2020 Emil Frey Racing Lamborghini Huracán GT3 Evo Pro MIS1 MIS2 MIS3 MAG1 MAG2 ZAN1 ZAN2 CAT1 CAT2 CAT3 14th 21 2021 Emil Frey Racing Lamborghini Huracán GT3 Evo Pro MAG1 MAG2 ZAN1 ZAN2 MIS1 MIS2 BRH1 BRH2 VAL1 VAL2 9th 31.5 2022 JP Motorsport McLaren 720S GT3 Pro-Am BRH1 BRH2 MAG1 MAG2 ZAN1 ZAN2 MIS1 MIS2 VAL1 VAL2 NC 0 2023 JP Motorsport McLaren 720S GT3 Bronze MIS1 MIS2 HOC1 HOC2 VAL1 VAL2 10th 14 Gold BRH1 BRH2 ZAN1 ZAN2 6th 10.5

Complete IMSA SportsCar Championship results (key) (Races in bold indicate pole position; races in italics indicate fastest lap) Year Entrant Class Chassis Engine 1 2 3 4 5 6 7 8 9 10 11 12 Rank Points 2014 Park Place Motorsports GTD Porsche 911 GT America Porsche 4.0 L Flat-6 DAY LGA DET WGL MOS IMS ELK VIR COA PET 35th 54 Dempsey Racing SEB 2016 Park Place Motorsports GTD Porsche 911 GT3 R Porsche 4.0 L Flat-6 DAY SEB LGA BEL WGL MOS LIM ELK VIR COA PET 60th 15 2017 Park Place Motorsports GTD Porsche 911 GT3 R Porsche 4.0 L Flat-6 DAY SEB LBH AUS BELWGL MOS LIM ELK VIR LGA PET 82nd 2 2018 Park Place Motorsports GTD Porsche 911 GT3 R Porsche 4.0L Flat-6 DAY SEB MOH BEL WGL MOS LIM ELK VIR LGA PET 63rd 13 † Siedler did not complete sufficient laps in order to score full points.

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