Grab your paddle and head to Central Belize on March 5 for the annual La Ruta Maya Belize River Challenge, a four-day canoe race that attracts a range of contestants, including families, beginners and professional racers. Set along the scenic backdrop of the Maya Mountains, the 175-mile challenge starts in San Ignacio and ends in Belize City, running east along the Belize Old River.

Read more: http://www.miamiherald.com/2011/02/06/2048750/belize-a-river-runs-through-it.html#ixzz1DNRXKG9m

Here's their website

Caye Caulker Chronicles Presents a glimpse of LA RUTA MAYA 2009