13th Week Dirt Ridiculousness
iRacing Series
You’ve seen it on pavement—now get ready for it on dirt. 13th Week Dirt Ridiculousness is what you get when we mix a motley crew of mud-slinging machines for off-road madness. Winged and wingless sprint cars, modifieds, late models, and mini stocks combine for chaos!
Popular Tracks
Limaland Motorsports Park
8 Default
USA International Speedway
7 Dirt
Lanier National Speedway
5 Dirt
Fairbury Speedway
3 Default
Crandon International Raceway
3 (2× Full, 1× Short)
Daytona Rallycross and Dirt Road
3 (2× Rallycross Short, 1× Rallycross Long)