2023 Championship Rounds 16/17/18
  •  8.18.25| 
    • Team News
  •  8.15.25| 
    • Team News
  •  8.12.25| 
    • Series News
  •  8.10.25| 
    • Series News
  •  8.9.25| 
    • Series News
Portland, OR 1.964-mile, 12-Turn Road Course
Race Record Thomas Schrage / 8/8/2025 / 1:11.1947 (99.311 mph)
Qualifying Record Rasmus Lindh / 9/1/2018 / 1:10.9038 (99.718 mph)
Discount Tire Grand Prix of Portland
Pacific Time Zone
8/31/2023
12:00 PM-1:00 PM Test Session 1
2:30 PM-3:30 PM Test Session 2
9/1/2023
9:00 AM-9:30 AM Practice
11:15 AM-11:45 AM Qualifying
11:46 AM-9:58 AM Starting Line Up Race 1
4:30 PM-5:15 PM Race 1
5:16 PM-5:16 PM Starting Line Up Race 2
9/2/2023
2:15 PM-2:55 PM Race 2
2:56 PM-2:56 PM Starting Line Up Race 3
9/3/2023
4:20 PM-5:00 PM Race 3