CalSpeed IronMan Series 2021 Round 6 Preview

The second half of the 2021 IronMan Series season kicks off this weekend on the Grande Counter Clockwise layout, and with it, the start of the Summer Series sub-championship. It is no ordinary IronMan either, as it is the first of two 2-Hour events slated for the 2021 season, with both some familiar partnerships, and some new combos lined up to take on the twice-around-the-clock challenge…