O'Keeffe started his career in karting before making his car-racing debut in the Victorian-based Porsche 944 Challenge in 2014.[3] O'Keeffe attended St Bede's College (Mentone) during his secondary education. Dylan has a sister called Amber.
Porsche GT3 Cup Challenge
O'Keeffe competed in the Porsche GT3 Cup Challenge in 2015, driving for Ashley Seward Motorsport. He finished second overall in the standings[4] with one race win and 12 top-three finishes.
Porsche Carrera Cup
For the 2016 racing season, O'Keeffe progressed to the Porsche Carrera Cup,[5] remaining with the Ashley Seward Motorsport team. He finished 10th in the points, with a best race result of fourth at the Hidden Valley round. He remained in Carrera Cup for the 2017 season, achieving top-three race finishes at Adelaide and Phillip Island, before recording a season-best second place at Malaysia's Sepang circuit. He finished sixth in the 2017 series standings.
In the 2018 Carrera Cup, O'Keeffe recorded his first race win at Sydney Motorsport Park and maiden round win at Darwin, finishing third in the standings.
In both 2017 and '18, O'Keeffe represented Australia at the Porsche Motorsport Junior Programme Shootout.[6]
In 2022, O'Keeffe returned to Carrera Cup, driving for the Garth Walden Racing Australia team. He finished fourth in the 2022 and 2023 series standings, and third in the 2024 series standings. In 2025, O'Keeffe won the Porsche Carrera Cup Australia championship with GWR Australia / RAM Motorsport, finishing 43 points ahead of Harri Jones. O'Keeffe won three races during the season, with superior consistency at the Bathurst and Adelaide rounds sealing the title — his first championship and the first Carrera Cup title for GWR Australia.[1][2] GWR Australia / RAM Motorsport also won the 2025 Teams Championship.[2] O'Keeffe is defending the title in 2026, carrying the #1 plate.[7][8]
Bathurst 12 Hour
O'Keeffe made his Bathurst 12 Hour debut in 2017, winning Class B and finishing 15th outright in a Steven Richards Motorsport Porsche.[citation needed] He returned to the event in 2018, driving an Audi R8[9] but the car was classified as a non-finisher.
O'Keeffe made further Bathurst 12 Hour starts in 2019 (driving a MARC car),[10] 2020 and 2023 (driving an Audi R8). He achieved his second Bathurst 12 Hour class win in 2023, alongside Daniel Gaunt and Andrew Fawcet. In 2026, O'Keeffe won the Pro-Am class (finishing 13th outright) alongside Garth Walden and Brett Hobson in a Mercedes-Benz AMG GT3 entered by GWR Australia, marking his third career Bathurst 12 Hour class victory.[7]
Super2 Series
For the 2019 racing season, O'Keeffe was signed by Garry Rogers Motorsport to drive in the Super2 Series, replacing Chris Pither[11]
Complete Australian Carrera Cup Championship results
(key) (Races in bold indicate pole position – 1 point awarded all races) (Races in italics indicate fastest lap) (* signifies that driver lead feature race for at least one lap – 1 point awarded)
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FIA Silver
