For more than two decades, Plumb has competed in endurance series including the IMSA WeatherTech SportsCar Championship, American Le Mans Series, IMSA Michelin Pilot Challenge, and World Challenge America. 

 

His title successes include clenching the GS championship title for Team TGM in 2018; as well as the 2024 IMSA GS Bronze Championship with co-driver Ted Giovanis.

For the past decade, Holton has risen through the ranks of sports car racing, competing in various series, including the IMSA WeatherTech SportsCar Championship, IMSA Michelin Pilot Challenge, and SRO America.​​

 

His title successes include first wins in North America for the McLaren 570s GT4 and the Audi RS3 LMS TCR, as well as clenching the World Challenge TC class champion title in 2017.

 

Holton made an amazing run at the 2024 IMSA GS Championship capturing third in the driver point standings, along with securing his first race win for Team TGM at Watkins Glen, and was integral in Team TGM capturing the overall GS Team Championship.

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A road racing competitor for nearly three decades, Giovanis’s professional career began in 2006 in the IMSA Michelin Pilot Challenge.

 

In 2020, Giovanis clinched the International GT Championship at Daytona; and .in 2024, he secured the IMSA GS Bronze Championship with co-driver Hugh Plumb.

 

Off-track, he is renowned in the healthcare industry, founding the Jayne Koskinas Ted Giovanis (JKTG) Foundation in 2012.

Plumb claimed the 2013 GS Championship with Rum Bum Racing; and in 2024, he secured the IMSA GS Team Championship for Team TGM as well as the overall Driver Championship.

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In addition to his driving success, Plumb has also worked in team management and driver coaching for Ferrari of North America, Skip Barber Racing School, Supercar Life, Road & Track Live, and more.​​​​​​​