Nick Persing has retaken the lead in the chase for the outright championship following the final Blue Marble Radical Cup North America race during the NTT IndyCar Series Series Sonsio Grand Prix at Road America. Spectators lined the 4.048-mile, 14-turn layout to watch 32 drivers make a run for the...

After a drama-filled race on Friday afternoon, it was almost 24 hours before the second wheel-to-wheel action of the weekend. With the green flag flying at 4:45pm after a day full of USF Pro Championships and NTT IndyCar Series qualifying and races, a rubbered-in track greeted Radical Cup racers in...