NASCAR O'Reilly Auto Parts Series at Circuit of the Americas
Motor race
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Stock car races in the NASCAR O'Reilly Auto Parts Series has been held at Circuit of the Americas in Austin, Texas as a companion to the Cup race at the track since 2021. The 250 kilometres (160 mi) race is currently known as Focused Health 250 for sponsorship reasons. Shane van Gisbergen is the defending winner.
| NASCAR O'Reilly Auto Parts Series | |
|---|---|
| Venue | Circuit of the Americas |
| Location | Austin, Texas |
| Corporate sponsor | Focused Health |
| First race | 2021 |
| Distance | 156 mi (251 km) |
| Laps | 65 First 2 stages: 20 each Stage 3: 25 |
| Previous names | Pit Boss 250 (2021–2023) |
| Most wins (driver) | A. J. Allmendinger (2) |
| Most wins (team) | Kaulig Racing, JR Motorsports (2) |
| Most wins (manufacturer) | Chevrolet (5) |
| Circuit information | |
| Surface | Asphalt |
| Length | 2.400 mi (3.862 km) |
| Turns | 18 |
Past winners

| Year | Date | No. | Driver | Team | Manufacturer | Race distance | Race time | Average speed (mph) |
Report | Ref | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Laps | Miles (km) | ||||||||||
| Grand Prix Layout: 3.426 miles (5.514 km.) | |||||||||||
| 2021 | May 22 | 54 | Kyle Busch | Joe Gibbs Racing | Toyota | 46 | 156.860 | 2:09:25 | 72.723 | Report | [1] |
| 2022 | March 26 | 16 | A. J. Allmendinger | Kaulig Racing | Chevrolet | 46 | 156.860 | 2:13:14 | 70.64 | Report | [2] |
| 2023 | March 25 | 10 | A. J. Allmendinger | Kaulig Racing | Chevrolet | 46 | 156.860 | 2:05:03 | 75.263 | Report | [3] |
| 2024 | March 23 | 17 | Kyle Larson | Hendrick Motorsports | Chevrolet | 50* | 171.3 | 2:21:21 | 72.374 | Report | [4] |
| NASCAR Layout: 2.400 miles (3.862 km.) | |||||||||||
| 2025 | March 1 | 88 | Connor Zilisch | JR Motorsports | Chevrolet | 65 | 156.860 | 2:13:32 | 70.095 | Report | [5] |
| 2026 | February 28 | 9 | Shane van Gisbergen | JR Motorsports | Chevrolet | 65 | 156.860 | 2:12:56 | 70.411 | Report | [6] |
- 2024: Races extended due to NASCAR overtime finishes.
Multiple winners (drivers)
| # Wins | Driver | Years won |
|---|---|---|
| 2 | A. J. Allmendinger | 2022, 2023 |
Multiple winners (teams)
| # Wins | Team | Years won |
|---|---|---|
| 2 | Kaulig Racing | 2022, 2023 |
| JR Motorsports | 2025, 2026 |