Underdahl moved first, but Arana led by the time they went 60 feet and held that lead the rest of the way.

Hector Arana Jr's incremental margins: 60ft(0.009), 330 ft(0.024), 660ft(0.024), 1,000ft(0.023). MOV: 0.0172 seconds (approximately 5 feet). He will have lane choice against Sullivan in round two.