Travel & Sports: Puerto Rico ©2009 Travel & Sports® Inc. Select Language English | Español | Deutsch | Francais | Portugues Expert Help | Email this page | 39365 | Packages / Coupons / Auctions | Create Your MasterGuide™ | Advertise Maratón San Blás > Puerto Rico > Coamo > Events 787-825-1150 787-825-4423FX 02/08/2010 - 02/08/2010 Maraton San Blas Route. coamo.puertorico.pr Internationally renowned half marathon, where runners from all over the world compete in a challenging 13.1-mile course through the hilly south-central town of Coamo. All photos © by their respective owners. Photos may not be reproduced in any form without the owners written permission. Symbol Key: Sponsors.