Seth Dennis entered the 51cc (4-6) Limited class and the 51cc (4-8) class at the Baja Brawl in 2016, absolutely dominating the younger division. He logged 8-13-7 scores for 8th overall in the (4-8) class which was won by Luke Fauser. Dennis was practically untouchable in the (4-6) Limited class as he swept all three motos on his way to the overall victory, taking the title ahead of Brennon Harrison and Jesse Shedden.