The 2025 Desert Diamond Casino West Valley 100 was the 12th and final stock car race of the 2025 ARCA Menards Series West, and the 53rd iteration of the event. The race was held on Saturday, November 1, 2025, at Phoenix Raceway in Avondale, Arizona, a tri-oval track. The race took the scheduled 100 laps to complete.
Brent Crews, driving for Joe Gibbs Racing, would pull off a dominating performance, leading every lap from the pole position to earn his second career ARCA Menards Series West win, and his second of the season. To fill out the podium, Carson Brown, driving for Pinnacle Racing Group, and Thomas Annunziata, driving for Nitro Motorsports, would finish 2nd and 3rd, respectively.
After taking a lap in practice, Trevor Huddleston clinched the 2025 ARCA Menards Series West championship, his first in the series after finishing third in the two previous seasons.
Phoenix Raceway â also known as PIR â is a one-mile, low-banked tri-oval race track located in Avondale, Arizona. It is named after the nearby metropolitan area of Phoenix. The motorsport track opened in 1964 and currently hosts two NASCAR race weekends annually. PIR has also hosted the IndyCar Series, CART, USAC and the Rolex Sports Car Series. The raceway is currently owned and operated by International Speedway Corporation.
The raceway was originally constructed with a road course that ran both inside and outside of the main tri-oval. In 1991, the track was reconfigured with the current interior layout. PIR has an estimated grandstand seating capacity of around 67,000. Lights were installed around the track in 2004 following the addition of a second annual NASCAR race weekend.
Phoenix Raceway is home to two annual NASCAR race weekends, one of 13 facilities on the NASCAR schedule to host more than one race weekend a year. The track is both the first and last stop in the western United States, as well as the fourth, and hosts the championship race on the schedule. In 2026, Homestead-Miami would host the championship race, while Phoenix would retain its second date in the Round of 8.
The first and only practice session was held on Friday, October 31, at 11:00 AM MST, and would last for 45 minutes. Brent Crews, driving for Joe Gibbs Racing, would set the fastest time in the session, with a lap of 27.650, and a speed of .
Qualifying was held on Friday, October 31, at 12:00 PM MST. The qualifying procedure used is a multi-car, multi lap-based system. All drivers will be on track for a 20-minute timed session, and whoever sets the fastest time in that session will win the pole.
Brent Crews, driving for Joe Gibbs Racing, would score the pole for the race, with a lap of 27.464, and a speed of .