The event marks the ninth running of the anniversary of iRacing’s popular driver swap/team feature that sees hundreds of teams of iRacing drivers, team managers, engineers, and spotters participate in the around the clock sim race. The 24 Hours of Daytona is a 24 hour endurance race held at Daytona International Speedway in Daytona Beach, Florida.  It is the opening round of the IMSA Michelin Endurance Cup in the IMSA WeatherTech SportsCar Championship.

The Bathurst 12 Hour is a 12 hour endurance race staged on the Mount Panorama Circuit in Bathurst, New South Wales, Australia. This event serves as the opening round to the Intercontinental GT Challenge Series in the real world.

The Sebring 12HR is a 12-hour endurance race held at Sebring International Raceway in Sebring, Florida.  It is the second round of the IMSA Michelin Endurance Cup in the IMSA WeatherTech SportsCar Championship.

Travel back in time to an era of classic sports car racing with the Road America 500 that was revived as part of the IMSA GT Championship in 1979. Racers will get to experience the excitement racing the Nissan GTP ZX-T or the Audi 90 Quattro GTO.

Round 3 - Sudspeed MEC Season 2
Its time for a SPLIT ROUND!

Not all IMSA races have all the classes and divisions competing, and so in that fashion, the MEC is having dual races with different divisions at different tracks!

This race will be for the GTP Elite class/division and the GT3 Elite division ONLY

Round 3 - Sudspeed MEC Season 2
Its time for a SPLIT ROUND!

Not all IMSA races have all the classes and divisions competing, and so in that fashion, the MEC is having dual races with different divisions at different tracks!

This race will be for the LMP2 Driver class/division and the GT3 Sports division ONLY (Pro-AM divisions)

The 24 Hours Nürburgring (ADAC 24h Rennen Nürburgring) is a 24-hour endurance event held on the Nürburgring Combined – Gesamtstrecke 24h in Nürburg, Rhineland-Palatinate, Germany. It also utilizes part of the GP-Strecke course to form a total lap length of 16.1 miles (25.9 km).

TBC

The 6 Hours of the Glen Powered by VCO is a 6 hour endurance race held annually at Watkins Glen International in Watkins Glen, New York. It is the third round of the IMSA Michelin Endurance Cup in the IMSA WeatherTech SportsCar Championship.

TBC

The 24 Hours of Spa is an endurance race held in Belgium at Circuit de Spa-Francorchamps since 1923. It is part of the Intercontinental GT Challenge Series in the real world.

TBC

The 6 Hours of the Road America is a 6 hour endurance race held annually at Road America. It is the fourth round of the IMSA Michelin Endurance Cup in the IMSA WeatherTech SportsCar Championship.

The Portimao 1000 was run for the first time in 2009 in International Sports Car competition. Revisit these classic sports cars around Algarve International Circuit, in Portugal for 1000km in a team racing format.

The Suzuka 1000km, is an annual sports car endurance race that has been held at the Suzuka Circuit in Japan since 1966. After a five-year hiatus, the event returned in September 2025 as part of an International GT Series.

The Petit Le Mans is a 10 hour endurance race held annually at Michelin Raceway Road Atlanta in Braselton, Georgia.  It is the final round of the IMSA Michelin Endurance Cup in the IMSA WeatherTech SportsCar Championship.

The Bathurst 1000 is staged on the Mount Panorama Circuit in Bathurst, New South Wales, Australia. Regarded as the pinnacle of motorsport in Australia, this is the biggest event on the calendar for the Supercars Series.

The 8 Hours of Indianapolis is an 8 hour endurance race held at Indianapolis Motor Speedway in Indiana. It is part of the Michelin Endurance Cup in the IMSA WeatherTech SportsCar Championship.

The British Racing & Sports Car Club iRacing FF1600 Festival is an event that will be emulating the Formula Ford Festival run in real life utilizing the same heat racing format. The event will take place at Brands Hatch on the Indy layout.

The Super Formula Lights take on Mount Panorama Circuit in the iRacing Mountain Showdown Special Event for the very first time.

A 4 hour endurance race using the Production Car Challenge cars at the ViR Grand Course. It can be run solo or with a team.