MapMyFitness JSON API Example

 function loadMaps() {
           var type = 2; //bike ride
           var radius = 10;
           $.ajax({
               type: 'GET',
               url: "http://api.mapmyfitness.com/3/routes/search_routes?&o=json&user_id=&user_key=&keyword=&min_latitude=51.08786&max_latitude=51.38786&min_longitude=-0.3013&max_longitude=-0.3013&center_longitude=51.38786&center_latitude=-0.3013&center_geocode=&radius=" + radius + "&route_type_id=" + type + "&city=&state=&country_code=&zip=&start_record=0&limit=25&sort_by=featured_flag%20desc,%20average_rating%20desc,%20route_name",
               data: "id=" + "&lang=en-us&format=json&jsoncallback=?",
               success: function(feed) {
                   // Create an empty array to store images
                   var thumbs = [];

                   // Loop through the items
                   for (var i = 0, l = feed.result.output.routes.length; i < l && i < 16; ++i) {
                       var routename = feed.result.output.routes[i].route_name;
                       // Add the new element to the array
                       thumbs.push(routename);
                   }

                   // Display the routes on the page
                   $('#feed').html(thumbs.join(''));
                                      
                   var show_user = tmpl("item_tmpl"), html = "";

                   for (var ii = 0; ii < feed.result.output.routes.length; ii++) {
                       html += show_user(feed.result.output.routes[ii]);
                   }
                   //var results = document.getElementById("results");                   
                   $('#vcalendar').html(html);
               },
               dataType: 'jsonp'
           });
       }