Willow Springs International Raceway (Big Willow)

In the Nissan GTP class at Willow Springs, Gabri Martinez dominated the field from start to finish. Starting from the pole position, Martinez led all 56 laps of the event to secure the victory. Ferran S. Grau, who started alongside Martinez in the second position, maintained his pace throughout the race to finish in P2, completing 56 laps with a total of eight incidents. Emilio Dicharri rounded out the podium, moving up from a P4 start to finish in P3, though he completed 55 laps and accumulated nine incidents over the course of the event. In the Audi 90 GTO class, Noel Luneburg converted his pole position into a class win. Luneburg completed 49 laps with seven incidents, successfully holding off the competition to take the checkered flag. Andreas Schuster, starting from P2, maintained his position throughout the race to finish in P2, demonstrating consistent driving with only two incidents. Ilkka Kotisalo followed in P3, having started from the third position and completing the race with two incidents as well. The race featured a high rate of incident accumulation among several competitors, which impacted the overall field consistency. Vladimir Dulepov3 recorded the highest incident count of the event with 18, while Matthew Cockerham and Mikko P. Savolainen both finished with 15 incidents each. Martin Krejcirik recorded 12 incidents, and Ian Haycox logged 11. These high incident totals reflect the technical difficulty of the Willow Springs circuit during the 2026 IMSA Vintage Series event, as drivers struggled to maintain clean lines throughout the 2026-08-18 race.