Road America
4.048 Mile Road Course
Remeasured to 4.014 Miles in 2016
Elkhart Lake, Wisconsin
IMSA sanctioned 2002-2008, 10
INDYCAR sanctioned 2016-21
USAC sanctioned 2022-24
| Race # | Date | Miles | Winner |
| 1 | 7/7/2002 | 60.72 | Guy Cosmo |
| 2 | 8/24/2003 | 52.624 | Michael McDowell |
| 3 | 8/21/2004 | 76.912 | Michael McDowell |
| 4 | 8/20/2005 | 60.72 | James Hinchcliffe |
| 5 | 8/20/2006 | 72.864 | Ron White |
| 6 | 8/11/2007 | 76.912 | Ron White |
| 7 | 8/9/2008 | 64.768 | Peter Dempsey |
| 8 | 8/21/2010 | 76.912 | Conor Daly |
| 9 | 6/25/2016 | 76.266 | Aaron Telitz |
| 10 | 6/25/2016 | 72.252 | Aaron Telitz |
| 11 | 6/24/2017 | 56.196 | Victor Franzoni |
| 12 | 6/25/2017 | 44.154 | Anthony Martin |
| 13 | 6/23/2018 | 60.21 | David Malukas |
| 14 | 6/24/2018 | 60.21 | David Malukas |
| 15 | 6/22/2019 | 60.21 | Kyle Kirkwood |
| 16 | 6/23/2019 | 60.21 | Kyle Kirkwood |
| 17 | 7/10/2020 | 60.21 | Danial Frost |
| 18 | 7/10/2020 | 60.21 | Artem Petrov |
| 19 | 6/19/2021 | 60.21 | Manuel Sulaimán |
| 20 | 6/20/2021 | 60.21 | Christian Rasmussen |
| 21 | 6/11/2022 | 60.21 | Louis Foster |
| 22 | 6/12/2022 | 60.21 | Braden Eves |
| 23 | 6/17/2023 | 60.21 | Michael d'Orlando |
| 24 | 6/18/2023 | 60.21 | Lirim Zendeli |
| 25 | 6/8/2024 | 60.21 | Lochie Hughes |
| 26 | 6/8/2024 | 60.21 | Lochie Hughes |
| 27 | 6/9/2024 | 60.21 | Lochie Hughes |