The IMSA Road Race Showcase returns to Road America this weekend.

It all begins Thursday with test sessions from 10:05 a.m. to 3:05 p.m.

Practice and qualifying takes up the majority of the day on Friday from 8 a.m. to 5:40 p.m.

A special IMSA driver Fan Forum will be held at the Tufte Center (below the Paddock Shop) beginning at 12:30 p.m.

On Saturday, the IMSA driver Autograph Session will be held from 10-10:30 a.m. near Victory Lane.

The IMSA Porsche GT3 Cup will host its first race of the weekend at 11:30 a.m., and at 2:05 p.m., the Lamborghini Super Trofeo takes to the track.

The feature race will be the Michelin Pilot Challenge at 4:05 p.m.

On Sunday, the second IMSA GT3 Cup Challenge race starts at 9:40 a.m.

Fans will have plenty to look forward to throughout the day with autograph sessions at the team transporters from 11:15 a.m. to 11:45 a.m., parade laps, and a chance to get up-close to the cars along pit lane as part of the grid walk from 12:15 p.m. to 1:15 p.m. before the afternoon action begins.

The IMSA WeatherTech SportsCar Championship begins at 1:35 p.m., with some of the best sports cars and drivers in the world looking for a win.

Tickets are available online or during the event at the gate.

Additional information is available at www.roadamerica.com or by calling (800) 365-7223. All races run rain or shine and anyone 16-years-old and under are FREE with a paying adult at the gate. Parking and paddock access is also free.