Uganda's long distance star, Martin Toroitich has left for the Puerto Rico to compete in the 21-kilometer Sports San Blas International Half Marathon. Toroitich's participation in the Sans Blas International means he will miss the National Cross Country tournament due this Saturday in Sironko town. The National Cross Country meet is used as a screening system for athletes intending to represent Uganda in the World Cross Country championships. The Puerto Rico competition is Toroitich's fourth appearance in an international event. He has previously participated in half marathons in Portugal in 2003 and 2004 as well a race in New Delhi, India, in which he won a team bronze medal.