diff --git a/examples/igc.js b/examples/igc.js
index 0d78b7c4c5..0c7a65e076 100644
--- a/examples/igc.js
+++ b/examples/igc.js
@@ -2,27 +2,17 @@ goog.require('ol.Attribution');
 goog.require('ol.Map');
 goog.require('ol.RendererHint');
 goog.require('ol.View2D');
-goog.require('ol.format.IGC');
 goog.require('ol.geom.LineString');
 goog.require('ol.geom.Point');
 goog.require('ol.layer.Tile');
 goog.require('ol.layer.Vector');
-goog.require('ol.proj');
+goog.require('ol.source.IGC');
 goog.require('ol.source.OSM');
-goog.require('ol.source.Vector');
 goog.require('ol.style.Circle');
 goog.require('ol.style.Stroke');
 goog.require('ol.style.Style');
 
 
-var tracklogs = [
-  'data/igc/Clement-Latour.igc',
-  'data/igc/Damien-de-Baenst.igc',
-  'data/igc/Sylvain-Dhonneur.igc',
-  'data/igc/Tom-Payne.igc',
-  'data/igc/Ulrich-Prinz.igc'
-];
-
 var colors = {
   'Clement Latour': 'rgba(0, 0, 255, 0.7)',
   'Damien de Baesnt': 'rgba(0, 215, 255, 0.7)',
@@ -47,7 +37,15 @@ var styleFunction = function(feature, resolution) {
   return styleArray;
 };
 
-var vectorSource = new ol.source.Vector();
+var vectorSource = new ol.source.IGC({
+  urls: [
+    'data/igc/Clement-Latour.igc',
+    'data/igc/Damien-de-Baenst.igc',
+    'data/igc/Sylvain-Dhonneur.igc',
+    'data/igc/Tom-Payne.igc',
+    'data/igc/Ulrich-Prinz.igc'
+  ]
+});
 
 var map = new ol.Map({
   layers: [
@@ -77,18 +75,6 @@ var map = new ol.Map({
 });
 
 
-var transform = ol.proj.getTransform('EPSG:4326', 'EPSG:3857');
-var i, ii;
-for (i = 0, ii = tracklogs.length; i < ii; ++i) {
-  $.get(tracklogs[i], function(data) {
-    var format = new ol.format.IGC();
-    var feature = format.readFeature(data);
-    feature.getGeometry().transform(transform);
-    vectorSource.addFeature(feature);
-  });
-}
-
-
 var point = null;
 var line = null;
 var displaySnap = function(coordinate) {
diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index ae75255e54..bc1342026d 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -527,6 +527,7 @@
  * @property {ol.proj.ProjectionLike} reprojectTo Re-project to.
  * @property {string|undefined} text Text.
  * @property {string|undefined} url URL.
+ * @property {Array.<string>|undefined} urls URLs.
  */
 
 /**
@@ -535,6 +536,7 @@
  *     Possible values are `barometric`, `gps`, and `none`. Default is `none`.
  * @property {string|undefined} text Text.
  * @property {string|undefined} url URL.
+ * @property {Array.<string>|undefined} urls URLs.
  */
 
 /**
@@ -567,6 +569,7 @@
  * @property {ol.proj.ProjectionLike} reprojectTo Re-project to.
  * @property {string|undefined} text Text.
  * @property {string|undefined} url URL.
+ * @property {Array.<string>|undefined} urls URLs.
  */
 
 /**
@@ -712,6 +715,7 @@
  * @property {ol.proj.ProjectionLike} projection Projection.
  * @property {string|undefined} text Text.
  * @property {string|undefined} url URL.
+ * @property {Array.<string>|undefined} urls URLs.
  */
 
 /**
diff --git a/src/ol/source/geojsonsource.js b/src/ol/source/geojsonsource.js
index 94da078387..4d37429d25 100644
--- a/src/ol/source/geojsonsource.js
+++ b/src/ol/source/geojsonsource.js
@@ -25,7 +25,8 @@ ol.source.GeoJSON = function(opt_options) {
     projection: options.projection,
     reprojectTo: options.reprojectTo,
     text: options.text,
-    url: options.url
+    url: options.url,
+    urls: options.urls
   });
 
 };
diff --git a/src/ol/source/igcsource.js b/src/ol/source/igcsource.js
index 2ca98e470e..a74e0e851f 100644
--- a/src/ol/source/igcsource.js
+++ b/src/ol/source/igcsource.js
@@ -19,7 +19,8 @@ ol.source.IGC = function(opt_options) {
       altitudeMode: options.altitudeMode
     }),
     text: options.text,
-    url: options.url
+    url: options.url,
+    urls: options.urls
   });
 
 };
diff --git a/src/ol/source/kmlsource.js b/src/ol/source/kmlsource.js
index ef951220ed..a10a5be288 100644
--- a/src/ol/source/kmlsource.js
+++ b/src/ol/source/kmlsource.js
@@ -24,7 +24,8 @@ ol.source.KML = function(opt_options) {
     projection: options.projection,
     reprojectTo: options.reprojectTo,
     text: options.text,
-    url: options.url
+    url: options.url,
+    urls: options.urls
   });
 
 };
diff --git a/src/ol/source/vectorfilesource.js b/src/ol/source/vectorfilesource.js
index b43fcc68bf..584e1b5a21 100644
--- a/src/ol/source/vectorfilesource.js
+++ b/src/ol/source/vectorfilesource.js
@@ -57,9 +57,19 @@ ol.source.VectorFile = function(opt_options) {
     this.readFeatures_(options.text);
   }
 
-  if (goog.isDef(options.url)) {
+  if (goog.isDef(options.url) || goog.isDef(options.urls)) {
     this.setState(ol.source.State.LOADING);
-    goog.net.XhrIo.send(options.url, goog.bind(this.handleXhrIo_, this));
+    var handleXhrIo = goog.bind(this.handleXhrIo_, this);
+    if (goog.isDef(options.url)) {
+      goog.net.XhrIo.send(options.url, handleXhrIo);
+    }
+    if (goog.isDef(options.urls)) {
+      var urls = options.urls;
+      var i, ii;
+      for (i = 0, ii = urls.length; i < ii; ++i) {
+        goog.net.XhrIo.send(urls[i], handleXhrIo);
+      }
+    }
   }
 
 };