13th Week Formula Fun
iRacing Series
Get behind the wheel with the all-new Dallara IL-15 in 13th Week Formula Fun. Used in the Indy NXT series, this is one of open-wheel racing's most preeminent lower levels, and most of your favorite INDYCAR stars have spent time in these cars. Give them a spin in this fun series and enjoy!
Popular Tracks
Oulton Park Circuit
5 (3× International, 1× Fosters, 1× Island)
Lime Rock Park
3 Grand Prix
Circuito de Jerez - Ángel Nieto
3 (2× Grand Prix, 1× Moto)
Charlotte Motor Speedway
2 (1× Roval 2025, 1× Oval - 2018)
Okayama International Circuit
2 Full Course
WeatherTech Raceway at Laguna Seca
2 Full Course