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Ortmann Clinches Solo Victory in GT4 Race at Road America

Driving without a co-driver, he overcame a five-second penalty to emerge ahead under a late full-course caution.

Michai Stephens during GT World Challenge America powered by AWS practice at Road America, 8/15/2025 (Photo: Fabian Lagunas/SRO Motorsports Group)
Mike David Ortmann during Pirelli GT4 America SprintX practice at Road America, 8/15/2025 (Photo: Fred Hardy/SRO Motorsports Group)

Overview

  • Ortmann drove the No. 4 JMF Motorsports Aston Martin Vantage GT4 EVO solo to his first GT4 America victory despite serving a five-second pit-stop penalty.
  • A collision between Jesse Webb, Alex Ellis and Luca Mars with minutes remaining triggered the decisive full-course yellow that froze the running order.
  • Kevin Boehm and Kenton Koch saw their Silver class win streak end but finished second overall and extended their championship points lead.
  • Riley Dickinson secured his first Pro-Am class victory in the No. 7 ACI Motorsports Porsche with Curt Swearingin, finishing third overall.
  • Saturday’s scheduled opener was canceled by severe weather and will be made up as part of a September triple-header at Barber Motorsports Park.