13th Week - GT3 Challenge Fixed - 2026 Season 1

The GT3 division has become one of sports car racing’s most popular formulas in recent years, with series around the world adapting it for use on some of the world’s most iconic tracks. Discover why these cars are so beloved, without the stress of having to build a setup to go faster, with iRacing’s fixed setup GT3 Challenge. This edition of the series will feature the debut of the all-new Miami and Adelaide circuits, plus the occasional chance of rain.