Here are a few of the highlighted series taking place this week — 2026 Season 4, Week 1 — from September 15th to September 21st in 2026. iRACING SPECIAL EVENTS iRacing’s Special Event calendar features a selection of the world’s most compelling races across numerous disciplines.
iRACING BRITCAR 24 The next special event on the 2026 iRacing Special Event calendar is the iRacing Britcar 24 presented by Cosworth.
In 2026, the Britcar 24 joins the iRacing Special Events calendar with GT3 and GT4 cars taking on a full day and night around Silverstone.
From NASCAR to the Whelen Modifieds, from Formula 1 to INDYCAR, and even some weekly local dirt track racing, iRacing offers many special series to jump in an compete in!
NASCAR iRACING SERIES Back again in 2026, the NASCAR iRacing Series (Open Setup and Fixed Setup) follows the NASCAR Cup Series schedule for a 36-week racing season.