Image Our pick for most improved rider in the the 250s so far? That's be Colt Nichols, who scored a fourth here. Credit GuyB Related: Colt Nichols Supercross Supercross 2016 Photo Blast San Diego 2 Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 31 of 41Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter GuyB 2/14/2016 9:03pm Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter