The 2025 competition year is reaching its conclusion. Consequently, we are preparing for the massive iRacing Season 1 2026 build update. This landmark update launches on December 9th, 2025.
The development team recently quadrupled in size. Because of this growth, iRacing can deliver massive technical advancements. These changes officially set the stage for the future of the simulation.
New Tracks Arriving in iRacing Season 1 2026
The December build features two world-class street circuits. Additionally, the team added a major Dirt Road track.
- Adelaide Street Circuit: This Australian venue brings the full Supercars layout. Specifically, drivers must master the terrifying Turn 8.
- Miami International Autodrome: This circuit wraps around the Hard Rock Stadium. It offers five distinct configurations for racers.
- Lucas Oil Speedway (Off Road): This track hosts UTV and Pro Truck competition. Furthermore, current owners of the Lucas Oil dirt oval get this for free.
New Cars Confirmed for the iRacing Season 1 2026 Build
Two unique machines will change the landscape of competition.
- Porsche 911 Cup (992.2): This car features 10 more horsepower. Moreover, it includes ABS and Traction Control as standard. Owners of the current 992.1 receive this as a free upgrade.
- FIA Cross Car: iRacing developed this nimble buggy with the FIA. Most importantly, it is free for all members.
Sim UI & The Widget Editor
The Widget Editor is a massive quality of life update. Indeed, it changes how you see the sim.
- Customization (Alt-K): You can now move every UI element on screen. You can also anchor widgets and adjust their opacity.
- Standalone Black Boxes: You are no longer limited to one black box. Instead, you can view up to five panels at once.
- Settings Search: The Options menu now has a dynamic search feature. Therefore, you can find specific settings instantly.
Physics and Technical Updates
The iRacing Season 1 2026 build focuses on realism. For instance, the team updated several car classes.
- Oval Refresh Phase 2: This phase improves lane dynamics. It makes multi-groove racing more viable for drivers.
- IndyCar Hybrid System: The Dallara IR18 now has a full hybrid overhaul. This includes new controls for energy management.
- NASCAR Truck Aero: A new aero model improves handling during side-by-side racing.
Visual Refreshes: Bathurst and Rockingham
Two fan-favorite tracks look better this December.
- Mount Panorama (Bathurst): The team used photogrammetry for a massive visual refresh. As a result, the “Mountain” meets modern art standards.
- Rockingham Speedway: The full rescan is finally ready. Consequently, the NASCAR Refresh project is now complete.
Read Greg Hill’s entire iRacing Development Blog
