Rearden Racing is a motorsports company founded in 2005 with a focus on engineering, building and servicing competitive race cars. The company works with both professional and club racing clients, offering arrive-and-drive programs alongside bespoke race car design and construction. Its services also include driver development, track-day support, race car preparation and motorsport experience and marketing support for teams, drivers and automotive businesses.

Beyond racing, Rearden provides maintenance, service and tuning for European vehicles. It also manufactures and distributes racing-related parts. The company describes its approach as combining engineering, first-class service and a commitment to building fast, reliable cars. Its motorsport activities include IMSA GT4 and Porsche Sprint Challenge, and its listed partners include Porsche Motorsport, Lamborghini Squadra Corse, BMW Motorsport, BBS, Öhlins and Eibach.

Based in Park City, Utah, Rearden Racing serves customers seeking race car expertise, track support, driver coaching or European auto care. The company also shares race schedules, news and career opportunities, including roles for race mechanics and European auto mechanics.