With the track drying from an earlier rainstorm, a switch to slick tires was called for. Once the duo were on track together, they spent the next 60 minutes looking for any chink in the other rider’s armor. Any time Rea opened a gap, van der Mark countered with breathtaking moves in traffic. They swapped the lead, and when the stint ended the crowd wanted more. An hour later, they got what they asked for, a balls-to-the-wall stint.