 | |
| NASCAR Xfinity Series | |
|---|---|
| Venue | Las Vegas Motor Speedway |
| Location | Las Vegas, Nevada, United States |
| Corporate sponsor | Laborers' International Union of North America[1] (spring race) Ambetter (fall race) |
| First race | 1997 (spring race) 2018 (fall race) |
| Distance | Spring race: 300 miles (482.80 km) Fall race: 301.5 miles (485.22 km) |
| Laps | 200 (Spring)/201 (Fall) Stages 1/2: 45 each Final stage: 110 (Spring)/111 (Fall) |
| Previous names | Spring race: Las Vegas 300 (1997) Sam's Town Las Vegas 300 (1998) Sam's Town 300 (1999–2013) Boyd Gaming 300 (2014–2020) Alsco Uniforms 300 (2021–2023) Fall race: DC Solar 300 (2018) Rhino Pro Truck Outfitters 300 (2019) Alsco 300 (2020) Alsco Uniforms 302 (2021–2023) |
| Most wins (driver) | Mark Martin (4) |
| Most wins (team) | Roush Fenway Racing (6) |
| Most wins (manufacturer) | Chevrolet (18) |
| Circuit information | |
| Surface | Asphalt |
| Length | 1.5 mi (2.4 km) |
| Turns | 4 |
Stock car racing events in the NASCAR Xfinity Series has been held at the Las Vegas Motor Speedway in Las Vegas, Nevada since the track opened 1997. Currently, the track holds two Xfinity Series races. The 300-mile (480 km) spring race is currently The LiUNA! and the 301.5-mile (485 km) playoff race held in the fall is currently the Ambetter Health 302.