DRIVERS
2025 Lineup / IMSA WeatherTech SportsCar Championship / LMDH (GTP)
Jack Aitken
No. 31 Cadillac Whelen
Birthdate: Sept. 23, 1995
Birthplace: London
Residence: Long Hanborough, England
Family: Wife Alex
Notable: Jack recently completed his second IMSA season and first as full-season driver with Action Express Racing. Jack co-drove to runner-up finish at Laguna Seca in May, Long Beach in April and the season-opening Rolex 24 At Daytona in January. Jack earned his first IMA GTP pole in the 2024 season-concluding Petit Le Mans, setting the GTP track record.
Jack was a 2023 IMSA Michelin Endurance Cup champion. He co-drove to victory at Sebring in March 2023 and runner-up at Watkins Glen in June. He co-drove the No. 311 Whelen Cadillac V-Series.R to 10th in the Hypercar class at the centenary 24 Hours of Le Mans in June 2023. In June 2024, Jack again co-drove the No. 311 car at the 24 Hours of Le Mans in June.
Jack competed in DTM in 2024, earning two victories.
Jack competed in the European Le Mans Series in 2022 in the LMP2 class. He also competed in the GT World Challenge Europe Endurance Cup and ADAC GT Masters. He made his 24 Hours of Le Mans debut in LMP2 in 2022.
Jack was the 2015 Formula Renault Eurocup champion and Williams F1 reserve driver in 2020-2022. Jack has also competed in GP3 and FIA Formula 2. Jack's father is Scottish and his mother is South Korean.
Jack made his IMSA and Cadillac Racing debut in the Rolex 24 At Daytona in 2023.
X: @jaitkenracer
Instagram: @jaitkenracer
Birthplace: London
Residence: Long Hanborough, England
Family: Wife Alex
Notable: Jack recently completed his second IMSA season and first as full-season driver with Action Express Racing. Jack co-drove to runner-up finish at Laguna Seca in May, Long Beach in April and the season-opening Rolex 24 At Daytona in January. Jack earned his first IMA GTP pole in the 2024 season-concluding Petit Le Mans, setting the GTP track record.
Jack was a 2023 IMSA Michelin Endurance Cup champion. He co-drove to victory at Sebring in March 2023 and runner-up at Watkins Glen in June. He co-drove the No. 311 Whelen Cadillac V-Series.R to 10th in the Hypercar class at the centenary 24 Hours of Le Mans in June 2023. In June 2024, Jack again co-drove the No. 311 car at the 24 Hours of Le Mans in June.
Jack competed in DTM in 2024, earning two victories.
Jack competed in the European Le Mans Series in 2022 in the LMP2 class. He also competed in the GT World Challenge Europe Endurance Cup and ADAC GT Masters. He made his 24 Hours of Le Mans debut in LMP2 in 2022.
Jack was the 2015 Formula Renault Eurocup champion and Williams F1 reserve driver in 2020-2022. Jack has also competed in GP3 and FIA Formula 2. Jack's father is Scottish and his mother is South Korean.
Jack made his IMSA and Cadillac Racing debut in the Rolex 24 At Daytona in 2023.
X: @jaitkenracer
Instagram: @jaitkenracer
Earl Bamber
No. 31 Cadillac Whelen
Birthdate: July 9, 1990
Birthplace: Whanganui, New Zealand
Residence: Atlanta
Family: Single
Notable: Earl will complete his second full season in FIA WEC Hypercar class with Cadillac Racing on November 2 2024 at the Bahrain International Circuit. His team earned their maiden WEC pole for the Six Hours of Fuji in September 2024.
Earl co-drove to a third-place finish in June 2023 in the centenary 24 Hours of Le Mans along with three other top-five finishes.
Earl co-drove to seventh place overall in 24 Hours of Le Mans in June 2024. He was the 2015 and 2017 winner of the 24 Hours of Le Mans as part of the Porsche LMP1 program.
Earl was 2017 FIA WEC driver champion, 2019 IMSA GTLM champion, 2013 and 2014 Porsche Carrera Cup Asia champion, and 2014 Porsche Carrera Cup Supercup champion.
He co-drove to victory in the 2022 IMSA Twelve Hours of Sebring. Earl co-drove a Cadillac DPi-V.R in the 2021 season finale in his DPi debut.
Earl was the 2023 24 Hours of Nürburgring winner, and 2014 and 2016 Bathurst 12 Hour class winner.
Earl drove for Corvette Racing by Pratt Miller Motorsports Corvette Z06 GT3.R in 2024 IMSA GTD Pro class endurance races.
He is the owner of the Earl Bamber Motorsports team.
X: @earlbamber
Instagram: @earlbamber
Birthplace: Whanganui, New Zealand
Residence: Atlanta
Family: Single
Notable: Earl will complete his second full season in FIA WEC Hypercar class with Cadillac Racing on November 2 2024 at the Bahrain International Circuit. His team earned their maiden WEC pole for the Six Hours of Fuji in September 2024.
Earl co-drove to a third-place finish in June 2023 in the centenary 24 Hours of Le Mans along with three other top-five finishes.
Earl co-drove to seventh place overall in 24 Hours of Le Mans in June 2024. He was the 2015 and 2017 winner of the 24 Hours of Le Mans as part of the Porsche LMP1 program.
Earl was 2017 FIA WEC driver champion, 2019 IMSA GTLM champion, 2013 and 2014 Porsche Carrera Cup Asia champion, and 2014 Porsche Carrera Cup Supercup champion.
He co-drove to victory in the 2022 IMSA Twelve Hours of Sebring. Earl co-drove a Cadillac DPi-V.R in the 2021 season finale in his DPi debut.
Earl was the 2023 24 Hours of Nürburgring winner, and 2014 and 2016 Bathurst 12 Hour class winner.
Earl drove for Corvette Racing by Pratt Miller Motorsports Corvette Z06 GT3.R in 2024 IMSA GTD Pro class endurance races.
He is the owner of the Earl Bamber Motorsports team.
X: @earlbamber
Instagram: @earlbamber
Frederik Vesti
No. 31 Cadillac Whelen
Birthdate: Jan. 13, 2002
Birthplace: Vejle, Denmark
Residence: Oxford, England
Family: Single
Notable: Frederik will make his IMSA GTP debut in the 2025 Rolex 24 At Daytona. He recently completed driving in the European Le Mans Series season in the LMP2 class.
Frederik made his IMSA debut at Petit Le Mans in October 2024 in the LMP2 class. He made his 24 Hours of Le Mans debut in June 2024 in LMP2, finishing 10th in class.
Frederik was vice-champion in the 2023 FIA Formula 2 Championship.
He was 2019 Formula Regional European Championship champion with 20 podiums, including 13 victories. A FIA Formula 3 European Championship race winner, he has also competed in the Italian F4 Championship, F4 Danish Championship and Formula 4 United States Championship.
Frederik is reserve driver for the Mercedes-AMG Petronas Formula One team.
X: @frederik_vesti
Instagram: @frederikvestiofficial
Birthplace: Vejle, Denmark
Residence: Oxford, England
Family: Single
Notable: Frederik will make his IMSA GTP debut in the 2025 Rolex 24 At Daytona. He recently completed driving in the European Le Mans Series season in the LMP2 class.
Frederik made his IMSA debut at Petit Le Mans in October 2024 in the LMP2 class. He made his 24 Hours of Le Mans debut in June 2024 in LMP2, finishing 10th in class.
Frederik was vice-champion in the 2023 FIA Formula 2 Championship.
He was 2019 Formula Regional European Championship champion with 20 podiums, including 13 victories. A FIA Formula 3 European Championship race winner, he has also competed in the Italian F4 Championship, F4 Danish Championship and Formula 4 United States Championship.
Frederik is reserve driver for the Mercedes-AMG Petronas Formula One team.
X: @frederik_vesti
Instagram: @frederikvestiofficial
DRIVER ALUMNI
Action Express Racing
João Barbosa
10 seasons - 2010-19
2019 Grand Prix of Long Beach winner
2018 Sports Car Grand Prix at Long Beach winner
2018 Rolex 24 At Daytona 1-2 sweep P1
2017 Patrón North American Endurance Cup Champion
2017 Six Hours of The Glen winner
2016 IMSA Prototype Champions 1-2 sweep P2
2016 Patrón North American Endurance Cup Champion
2016 Six Hours of The Glen winner
2015 United SportsCar Prototype Champion
2015 Patrón North American Endurance Cup Champion
2015 Petit Le Mans winner
2015 Road Race Showcase Road America 1-2 sweep P2
2015 Twelve Hours of Sebring winner
2014 United SportsCar Prototype Champion
2014 Patrón North American Endurance Cup Champion
2014 Road Race Showcase Road America winner
2014 Brickyard Grand Prix winner
2014 Rolex 24 At Daytona winner
2013 Six Hours of The Glen winner
2013 2013 Mid-Ohio Sports Car Course winner
2012 Six Hours of The Glen winner
2012 Grand-Am Detroit 200 1-2 sweep P1
2011 Bosch Engineering 250 at ViR winner
2010 2010 Rolex 24 At Daytona winner
Sébastien Bourdais
2 seasons - 2014/15
2015 Petit Le Mans winner
2015 Twelve Hours of Sebring winner
2014 Rolex 24 At Daytona winner
Eric Curran
5 seasons - 2015-19
2019 Michelin Endurance Cup Champion
2019 Petit Le Mans winner
2019 Twelve Hours of Sebring winner
2018 IMSA Prototype Champion
2018 Patrón North American Endurance Cup Champion
2018 Detroit Grand Prix winner
2018 Rolex 24 At Daytona 1-2 sweep P2
2017 Canadian Tire Motorsport Park winner
2016 IMSA Prototype Champions 1-2 sweep P1
2016 Road Race Showcase Road America winner
2016 Canadian Tire Motorsport Park winner
2015 Road Race Showcase Road America 1-2 sweep P!
2015 Detroit Sports Car Classic winner
Christian Fittipaldi
9 seasons - 2011-19
2018 Rolex 24 At Daytona 1-2 sweep P1
2017 Patrón North American Endurance Cup Champion
2017 Six Hours of The Glen winner
2016 IMSA Prototype Champions 1-2 sweep P2
2016 Patrón North American Endurance Cup Champion
2016 Six Hours of The Glen winner
2015 United SportsCar Prototype Champion
2015 Patrón North American Endurance Cup Champion
2015 Petit Le Mans winner
2015 Road Race Showcase Road America 1-2 sweep P2
2015 Twelve Hours of Sebring winner
2014 United SportsCar Prototype Champion
2014 Patrón North American Endurance Cup Champion
2014 Road Race Showcase Road America winner
2014 Brickyard Grand Prix winner
2014 Rolex 24 At Daytona winner
2013 Six Hours of The Glen winner
2013 2013 Mid-Ohio Sports Car Course winner
Darren Law
2 seasons - 2011 & 12
2012 Six Hours of The Glen winner
2012 Grand-Am Detroit 200 1-2 sweep P1
Stuart Middleton
Sunoco Whelen Challenge winner - Rolex 24 At Daytona 2018
2018 Rolex 24 At Daytona 1-2 sweep P2
Felipe Nasr
5 seasons - 2013 & 2018-21
2021 IMSA DPi Champion
2021 Grand Prix of Long Beach winner
2021 IMSA Sportscar Weekend at Road America winner
2021 WeatherTech 240 at The Glen winner
2021 Cadillac Grand Prix of Sebring winner
2019 Michelin Endurance Cup Champion
2019 Twelve Hours of Sebring winner
2018 IMSA Prototype Champion
2018 Patrón North American Endurance Cup Champion
2018 Detroit Grand Prix winner
2018 Rolex 24 At Daytona 1-2 sweep P2
Alexander Sims
1 season - 2023
2023 IMSA GTP Champion
2023 Michelin Endurance Cup Champion
2023 Twelve Hours of Sebring winner