"Do you want to lose this race???" -Nasr Nasr takes the lead back from Estre in the 6. 2026 IMSA Mobil 1 Twelve Hours of Sebring 🟢: Saturday, March 21 | 10:00AM ET 📺: Peacock | NBCSN 🌍: IMSA YouTube Live, IMSA .tv 📻: IMSA Radio #IMSA #WeatherTech #Mobil1TwelveHoursofSebring #Sebring12 #Michelin