2017 Monterey Grand Prix

[2] The race was held at the eleven-turn 2.238 mi (3.602 km) Mazda Raceway Laguna Seca in Monterey County, California on September 24, 2017.

[2] After wrapping up the two "West Coast Swing" rounds also consisting of Long Beach in previous years, Laguna Seca moved to September and swapped places on the calendar with Circuit of the Americas.

[5] On September 19, 2017, IMSA released the latest technical bulletin outlining Balance of performance for the event.

The Cadillac DPi-V.R received an increase in the cars minimum rear wing angle as well as a fuel restrictor reduction of 1 mm.

In GTD, the Audi R8 LMS and Acura NSX GT3 received fuel restrictor increases of 1mm and 0.5 mm, respectively.

[11] The first practice session took place at 10:00 am PT on Friday and ended with Jordan Taylor topping the charts for VisitFlorida Racing, with a lap time of 1:18.462.

[14] The second practice session took place at 2:50 pm PT on Friday and ended with Ryan Dalziel topping the charts for Tequila Patrón ESM, with a lap time of 1:18.026.

Alexander Sims was second in the #25 BMW Team RLL entry and Oliver Gavin rounded out the top 3.

Regulations stipulated that teams nominate one qualifying driver, with the fastest laps determining each class' starting order.

Madison Snow qualified on pole for the class driving the #48 car for Paul Miller Racing, besting Daniel Morad in the Alegra Motorsports entry.

Toni Vilander qualified on pole driving the #62 car for Risi Competizione, beating Dirk Müller in the #66 entry Ford Chip Ganassi Racing by over two tenths of a second.