The No. 24 Rotek Racing Audi TT RS is leading the United States Air Force 25 Hours of Thunderhill at the 18-hour mark.With nighttime temperatures in the high 20s, the early night leader, No. 03 ES classTeam Quick Racing Superlite, surrendered the lead at around 5:00 a.m. to the No....

The No. 52 JFC Racing Wolf, co-driven by IndyCar legend Al Unser Jr. and his son, led the United States Air Force (USAF) 25 Hours of Thunderhill at the six-hour mark. In the early going, Ivan Bellarosa had two off-track excursions while leading the race but handed over to Unser...