In 2011, his first full season of AMA Supercross Lites West region, Tyla earned two podiums at Anaheim 1 and San Diego to finish seventh overall. Rattray placed second in the AMA Motocross 250cc Championship after capturing four overall victories.

He sat out of the 2010 supercross series while recovering from injury. He returned from that injury to finish second in the AMA Motocross Lites point standings, with two overall wins at High Point Raceway and Moto X 338. He also earned six additional podium finishes in the 12 round series.