William Sweedler (born October 11, 1966) is an American businessman and racing driver who last competed in the GTD class of the IMSA SportsCar Championship for TR3 Racing. He is a past IMSA champion and 24 Hours of Le Mans class winner, both for Scuderia Corsa.

Business ventures Sweedler began working at Ralph Lauren in 1989, before founding Windsong Allegiance Group in 1994 and later working for Iconix Brand Group from 2005 to 2006. Towards the end of the year, Sweedler founded Windsong Global and five years later co-founded Tengram Capital Partners.

Racing career Sweedler made his car racing debut in 2007, racing in the SCCA Mazda MX-5 Cup for PRX Comosport on a part-time schedule. Two years in the Porsche GT3 Cup Challenge USA for Orbit Racing then ensued, as well as a campaign in the Challenge cup of the 2009 American Le Mans Series, in which he scored a lone podium at Lime Rock to finish fifth in points.

Switching to ALMS powerhouse Alex Job Racing for 2010, Sweedler took a best result of second at the 12 Hours of Sebring and three third-place finishes across the rest of the year to end the year fifth in the GT Challenge standings. Remaining with Alex Job Racing for 2011, Sweedler finished second at Long Beach, Baltimore and the Petit Le Mans as he rounded out the year fourth in the GT Challenge points. During 2011, Sweedler also made his 24 Hours of Daytona debut, driving for fellow Porsche outfit Chris Smith Racing in the GT class.

At the start of 2012, Sweedler continued with AJR to race in the 24 Hours of Daytona and the 12 Hours of Sebring, the latter of which he won in the GT Challenge class. For the rest of the year, Sweedler continued with the team as it fielded a Lotus Evora in the GT class, scoring a best result of sixth at VIR to end the year 17th in the class standings. Sweedler continued with the team for 2013 as they switched to a Ferrari 458 Italia GT2, taking a best result of fourth at Laguna Seca as he rounded out the season 15th in the GT standings.

Continuing with Ferrari machinery for 2014, Sweedler joined Level 5 Motorsports to compete in the newly-renamed United SportsCar Championship, with whom he won the 24 Hours of Daytona in GTD alongside Townsend Bell, Alessandro Pier Guidi, Jeff Segal and Scott Tucker. After Level 5 withdrew from the series after the race, Sweedler joined AIM Motorsport for the rest of the year, taking a pair of second-place finishes at Sebring and Watkins Glen en route to fourth in the points standings.

Joining Scuderia Corsa alongside Bell for the following season, Sweedler scored a lone win at VIR and a podium at the 12 Hours of Sebring to clinch the GTD title at season's end. During 2015, Sweedler also raced for the team in the 24 Hours of Le Mans, finishing third in LMGTE Am at his first appearance at the event. In 2016, Sweedler began the year with O'Gara Motorsport, driving a Lamborghini Huracán for the 24 Hours of Daytona, before switching to fellow Lamborghini customer team Change Racing for the following two rounds. During 2016, Sweedler also returned to Scuderia Corsa for a one-off round of the Pirelli World Challenge and the 24 Hours of Le Mans, the latter of which resulted in a historic LMGTE Am win for the all-American trio.

The following year, Sweedler returned to now-Audi-aligned Alex Job Racing for select rounds of the IMSA SportsCar Championship, scoring a best result of sixth twice and ending the year 25th in the GTD standings. During 2017, Sweedler also raced in the 24 Hours of Le Mans for Scuderia Corsa, finishing third in LMGTE Am in his third appearance at the event. In 2018, Sweedler remained with Scuderia Corsa to race in the endurance rounds of the IMSA SportsCar Championship, in which he took a best result of fifth at the 24 Hours of Daytona. After a year on the sidelines, Sweedler made select appearances in GT World Challenge America for Lamborghini squad TR3 Racing in both 2020 and 2021, before competing with them in the 24 Hours of Daytona the following year in GTD.

Racing record Racing career summary Season Series Team Races Wins Poles F/Laps Podiums Points Position 2007 SCCA Mazda MX-5 Cup PRX Comosport 6 0 0 0 0 58 18th2008 Porsche GT3 Cup Challenge USA – Platinum Orbit Racing 10 0 0 0 0 47 17th SCCA Mazda MX-5 Cup 2 0 0 0 0 25 38th2009 Porsche GT3 Cup Challenge USA – Platinum Orbit Racing 10 0 0 0 3 103 8th American Le Mans Series – Challenge 5 0 0 0 1 39 5th 2010 American Le Mans Series – GTC Alex Job Racing 9 0 0 0 4 109 5th2011 Rolex Sports Car Series – GT Chris Smith Racing 1 0 0 0 0 16 57th American Le Mans Series – GTC Alex Job Racing 9 0 0 0 4 117 4th2012 Rolex Sports Car Series – GT Alex Job Racing 1 0 0 0 0 17 67th American Le Mans Series – GTC 1 1 0 0 1 0 NC American Le Mans Series – GT Lotus / Alex Job Racing 9 0 0 0 0 21 17th 2013 American Le Mans Series – GT Team West/AJR/Boardwalk Ferrari 8 0 0 0 0 35 15th2014 United SportsCar Championship – GTD Level 5 Motorsports 1 1 0 0 12934th AIM Autosport 10 0 0 0 22015 United SportsCar Championship – GTD Scuderia Corsa 10 1 0 0 2 2811st 24 Hours of Le Mans – LMGTE Am 1 0 0 0 1 3rd Ferrari Challenge North America – Trofeo Pirelli Ferrari of Beverly Hills 1 0 0 0 0 0 NC2016 IMSA SportsCar Championship – GTD O'Gara Motorsport 1 0 0 0 03536th Change Racing 2 0 0 0 0 Pirelli World Challenge – GTA Scuderia Corsa 1 0 0 0 0 0 18th 24 Hours of Le Mans – LMGTE Am 1 1 0 0 1 1st2017 IMSA SportsCar Championship – GTD Alex Job Racing 5 0 0 0 0 106 25th 24 Hours of Le Mans – LMGTE Am Scuderia Corsa 1 0 0 0 1 3rd 2018 IMSA SportsCar Championship – GTD Scuderia Corsa 3 0 0 0 0 61 36th 2020 GT World Challenge America – Am TR3 Racing 2 2 0 0 2 502nd2021 GT World Challenge America – Am TR3 Racing 3 0 0 0 2 362nd GT World Challenge America – Pro-Am 1 0 0 0 0 0 NC† Intercontinental GT Challenge 1 0 0 0 0 0 NC 2022 IMSA SportsCar Championship – GTD TR3 Racing 1 0 0 0 0 218 60thSources:

† As Sweedler was a guest driver, he was ineligible for championship points.

Complete American Le Mans Series results (key) (Races in bold indicate pole position) Year Team Class Make Engine 1 2 3 4 5 6 7 8 9 10 Rank PointsRef 2009 Orbit Racing GTC Porsche 997 GT3 Cup Porsche 3.8 L Flat-6 UTA LRP MDO ELK LAG 5th 39 2010 Alex Job Racing GTC Porsche 997 GT3 Cup Porsche 3.8 L Flat-6SEBLBHLAGUTALRPMDOELKMOSPET 5th 109 2011 Alex Job Racing GTC Porsche 997 GT3 Cup Porsche 3.8 L Flat-6SEBLBHLRPMOSMDOELKBALLAGPET 4th 1172012 Alex Job Racing GTC Porsche 997 GT3 Cup Porsche 4.0 L Flat-6SEB NC 0 Lotus / Alex Job Racing GT Lotus Evora GTE Toyota (Cosworth) 4.0 L V6 LBHLAGLRPMOSMDOELKBALVIRPET 17th 21 2013 Team West/AJR/Boardwalk Ferrari GT Ferrari 458 Italia GT2 Ferrari 4.5 L V8 SEB LBH LGA LIM MOS ELK BAL COT VIR PET 15th 35

Complete Grand-Am Rolex Sports Car Series results (key) (Races in bold indicate pole position; results in italics indicate fastest lap) YearTeamClassMakeEngine12345678910111213RankPointsRef 2011 Chris Smith Racing GT Porsche 911 GT3 Cup Porsche 4.0L F6DAYMIABARVIRLIMWGLELKLAGNJMPWGLCGVMOH 57th 16 2012 Alex Job Racing GT Porsche 911 GT3 Cup Porsche 4.0L F6DAYBARMIANJMPBELMOHELKWGLIMSWGLCGVLAGLIM 67th 17

Complete IMSA SportsCar Championship results (key) (Races in bold indicate pole position; results in italics indicate fastest lap) Year Team Class Make Engine 1 2 3 4 5 6 7 8 9 10 11 12 Points Ref 2014 Level 5 Motorsports GTD Ferrari 458 Italia GT3 Ferrari 4.5L V8 DAY 4th 293 AIM Autosport SEB LGA DET WGL MOS IMS ELK VIR COA PET 2015 Scuderia Corsa GTD Ferrari 458 Italia GT3 Ferrari 4.5L V8 DAY SEB LGA DET WGL LIM ELK VIR COA PET1st2812016 O'Gara MotorsportGTDLamborghini Huracán GT3Lamborghini DGF 5.2 L V10 DAY36th35 Change Racing SEB LGA BEL WGL MOS LIM ELK VIR AUS PET 2017 Alex Job Racing GTD Audi R8 LMS Audi 5.2L V10 DAY SEB LBH COT DET WGL MOS LIM ELK VIR LGA PET 25th 106 2018 Scuderia Corsa GTD Ferrari 488 GT3 Ferrari F154CB 3.9L Turbo V8 DAY SEB MDO DET WGL MOS LIM ELK VIR LGA PET 36th 61 2022 TR3 Racing GTD Lamborghini Huracán GT3 Evo Lamborghini 5.2 L V10 DAY SEB LBH LGA MDO DET WGL MOS LIM ELK VIR PET 60th 218Source:

Complete 24 Hours of Le Mans results Year Team Co-Drivers Car Class Laps Scuderia Corsa Jeff Segal Townsend Bell Ferrari 458 Italia GT2 LMGTE Am 330 24th 3rd Scuderia Corsa Jeff Segal Townsend Bell Ferrari 458 Italia GT2 LMGTE Am 331 26th 1st Scuderia Corsa Townsend Bell Cooper MacNeil Ferrari 488 GTE LMGTE Am 331 29th 3rdSources:

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