Road America
| 2026 | Filipe Albuquerque – Ricky Taylor |
| 2025 | Philipp Eng – Dries Vanthoor |
| 2024 | Mathieu Jaminet – Nick Tandy |
| 2023 | Matt Campbell – Felipe Nasr |
| 2022 | Filipe Albuquerque – Ricky Taylor |
| 2021 | Pipo Derani – Felipe Nasr |
| 2020 | Helio Castroneves – Ricky Taylor |
| 2019 | Jonathan Bomarito – Harry Tincknell |
| 2018 | Jon Bennett – Colin Braun |
| 2017 | Pipo Derani – Johannes van Overbeek |
| 2016 | Dane Cameron- Eric Curran |
| 2015 | Dane Cameron- Eric Curran |
| 2014 | Joao Barbosa – Christian Fittipaldi |
| 2013 | Brendon Hartley – Scott Mayer |
| 2012 | Scott Pruett – Memo Rojas |
| 2011 | Scott Pruett – Memo Rojas |
| 2001 | Baldi – Lienhard – Theys |
| 2000 | Baldi – Lienhard – Theys |
Team
| 2026 | Wayne Taylor Racing with Andretti |
| 2025 | BMW M Team RLL |
| 2024 | Porsche Penske Motorsport |
| 2023 | Porsche Penske Motorsport |
| 2022 | Konica Minolta Acura |
| 2021 | Whelen Engineering Racing |
| 2020 | Acura Team Penske |
| 2019 | Mazda Team Joest |
| 2018 | CORE Autosport |
| 2017 | Tequila Patron ESM |
| 2016 | Action Express Racing |
| 2015 | Action Express Racing |
| 2014 | Action Express Racing |
| 2013 | Starworks Motorsport |
| 2012 | Telmex Chip Ganassi Racing |
| 2011 | Telmex Chip Ganassi Racing |
| 2001 | Lista Doran Racing |
| 2000 | Lista Doran Racing |
Qualifying
| 2026 | 1:49.233 | Nick Yelloly |
| 2025 | 1:48.628 | Nick Yelloly |
| 2024 | 1:48.601 | Filipe Albuquerque |
| 2023 | 1:47.730 | Pipo Derani |
| 2022 | 1:48.915 | Filipe Albuquerque |
| 2021 | 2.07.919 | Felipe Nasr |
| 2020 | 1:49.067 | Ricky Taylor |
| 2019 | 1:48.715 | Dane Cameron |
| 2018 | 1:51.933 | Robert Alon |
| 2017 | 1:53.058 | Ricky Taylor |
| 2016 | 1:54.507 | Jonathan Bomarito |
| 2015 | 1:56.452 | Joey Hand |
| 2014 | 1:55.166 | Ryan Dalziel |
| 2013 | 2:00.028 | Dane Cameron |
| 2012 | 1:59.957 | Memo Rojas |
| 2011 | 2:01.050 | Ricky Taylor |
| 2001 | 1:58.195 | James Weaver |
| 2000 | 2:00.037 | Didier Theys |
