NIT Stu 243 Days ‘Til the Indy 500 NIT StuSeptember 28, 2021September 28, 2021 How many days are there until the Indy 500? 243. 243 days. NIT Stu NIT fan. Joe Kelly expert. Milk drinker. Can be found on Twitter (@nit_stu) and Instagram (@nitstu32). Posts created 3826