Banbury's Jamie Derbyshire, teamed up with Oxford's Tim Graves and Californian Brad Pearce to win the Sports Car Club of America four-hour endurance crown at Thunderhill, California.
Earlier, the 25-year-old sports science graduate had set the team up for a successful trans-Atlantic outing when he qualified in pole.
For Derbyshire, the win comes as consolation for a season of mixed fortunes in the Radical Enduro Sportscar Championship where he partnered brother Adam, 27, in the Spirit Volkswagen car.
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