Team Suzuki's Roberto Castro clinched the Costa Rican Motocross Championship after dominating Sunday's final round at La Olla in Alajuela.

The 23-year old RM-Z450 rider won all three races to add to his 2012 Latin American title that he won in Columbia recently.

Costa Rica's most successful rider has now won a total of 10 major titles - moistly on Suzuki - in a career that has spanned 18 years and he will again be Suzuki mounted next season after agreeing terms with Suzuki Costa Rica.

Roberto Castro Career Highlights:

Costa Rican National MX2 Champion in 2007. Latin American SX2 Champion in 2007. Latin American SX1 Champion in 2008. Latin American MX1 Champion in 2008. Costa Rican National MX1 Champion in 2009. Latin American MX1 Champion in 2009. Latin American MX1 Champion in 2010. Costa Rican National MX1 Champion in 2010. Latin American MX1 Champion in 2012. Costa Rican National MX1 Champion in 2012.