Meet iRacing’s All-New Week 13 “Fun” Series
September 6th, 2026 by Chris Leone
iRacers, you asked us to bring back more “fun” Unofficial series for the latest edition of Week 13, and we’re happy to deliver. We’ve revived a couple of old favorites while carefully designing a slate of new ones for maximum fun and a different set of challenges.
Here’s a look at what to expect from some of these newly curated series on their debut, and what you can look forward to in the future:
RETURNING: Battle of the Little Wings
Battle of the Little Wings returns, as we focus on some of our most fun-to-drive and popular lower-level formula cars all racing together on exciting shorter layouts. Will you be able to win your class? Which class will win overall? Here’s your opportunity to find out! This season will feature the FIA F4, Super Formula Lights, and Skip Barber Formula 2000.
RETURNING: Ridiculousness
Ridiculousness also returns with takes on some of the most fun ideas that our community has ever pulled off. This season will see the prototypes and GT3s of the IMSA WeatherTech SportsCar Championship take on Bristol, Dover, and Milwaukee for a set of intense multi-class bullring battles.
NEW: The Doctor’s Office
The Dallara P217, Ligier JS P320, and Ferrari 296 Challenge are well known the world over, not only for the show they put on by themselves, but also for their ability to change the landscape of any race (especially when they run in multi-class events). Here’s your chance to take them on together on some of the world’s most iconic tracks and see what kinds of highlights you can make!
NEW: To The Streets
Street racing is some of the most challenging competition on earth, as drivers dice for position on narrow circuits where speed is everything and the slightest mistakes are punished. Take advantage of iRacing’s ever-growing slate of these circuits and put your precision to the test! This season will feature the Dallara IL-15. Future seasons will feature different vehicle types.
NEW: Manufacturer Madness
iRacing features dozens of the world’s greatest manufacturers with vehicles at numerous racing levels. Here’s your chance to get on track with multiple cars from one of them in a unique take on multi-class racing! This season will see a selection of Ford stock cars, GT cars, and other sports cars take on a selection of American road and street circuits. Future seasons will feature selections from different manufacturers.
NEW: Incident Limit Challenge
Think you can come out of a race without making any mistakes and avoiding all contact? This is the series for you. Every single incident you have will draw a drive-through penalty, so don’t cut those corners too closely and make sure your braking is on point. This season will see the Toyota GR86 take on Lime Rock Park’s Chicanes layout.
NEW: Storm Chasers
Some racers do their best work in the rain. This series is an opportunity for them to shine—wet weather is always possible, and the drivers who do the best job of seeking out clean lines and avoiding mistakes in these 15-minute sprints will reap the rewards. This season will see the BMW M2 Racing (G87) take on Oulton Park’s International layout.
NEW: Free for All
iRacing includes dozens of cars and tracks with every subscription. Here’s your opportunity to try out a different form of racing with all included content and a mix of vehicle types! Free for All will rotate between different license types with each Week 13. This season will see the FIA Cross Car, Pro 2 Lite, and Volkswagen Beetle Lite take on a selection of Dirt Road courses.
See the full Week 13 schedule here!
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