diff --git a/garminexport/backup.py b/garminexport/backup.py
index 86348a21..c34dc388 100644
--- a/garminexport/backup.py
+++ b/garminexport/backup.py
@@ -8,13 +8,14 @@
 
 log = logging.getLogger(__name__)
 
-supported_export_formats = ["json_summary", "json_details", "gpx", "tcx", "fit"]
+supported_export_formats = ["json_summary", "json_details", "gpx", "kml", "tcx", "fit"]
 """The range of supported export formats for activities."""
 
 format_suffix = {
     "json_summary": "_summary.json",
     "json_details": "_details.json",
     "gpx": ".gpx",
+    "kml": ".kml",
     "tcx": ".tcx",
     "fit": ".fit"
 }
@@ -64,7 +65,7 @@ def need_backup(activities, backup_dir, export_formats=None):
     :param backup_dir: Destination directory for exported activities.
     :type backup_dir: str
     :keyword export_formats: Which format(s) to export to. Could be any
-      of: 'json_summary', 'json_details', 'gpx', 'tcx', 'fit'.
+      of: 'json_summary', 'json_details', 'gpx', 'kml', 'tcx', 'fit'.
     :type export_formats: list of str
     :return: All activities that need to be backed up.
     :rtype: set of tuples of `(int, datetime)`
@@ -111,7 +112,7 @@ def download(client, activity, retryer, backup_dir, export_formats=None):
     :param backup_dir: Backup directory path (assumed to exist already).
     :type backup_dir: str
     :keyword export_formats: Which format(s) to export to. Could be any
-      of: 'json_summary', 'json_details', 'gpx', 'tcx', 'fit'.
+      of: 'json_summary', 'json_details', 'gpx', 'kml', 'tcx', 'fit'.
     :type export_formats: list of str
     """
     id = activity[0]
@@ -144,6 +145,16 @@ def download(client, activity, retryer, backup_dir, export_formats=None):
                 with codecs.open(dest, encoding="utf-8", mode="w") as f:
                     f.write(activity_gpx)
 
+        if 'kml' in export_formats:
+            log.debug("getting kml for %s", id)
+            activity_kml = retryer.call(client.get_activity_kml, id)
+            dest = os.path.join(backup_dir, export_filename(activity, 'kml'))
+            if activity_kml is None:
+                not_found.write(os.path.basename(dest) + "\n")
+            else:
+                with codecs.open(dest, encoding="utf-8", mode="w") as f:
+                    f.write(activity_kml)
+
         if 'tcx' in export_formats:
             log.debug("getting tcx for %s", id)
             activity_tcx = retryer.call(client.get_activity_tcx, id)
diff --git a/garminexport/garminclient.py b/garminexport/garminclient.py
index e2210091..0ae906f2 100755
--- a/garminexport/garminclient.py
+++ b/garminexport/garminclient.py
@@ -325,6 +325,31 @@ def get_activity_gpx(self, activity_id):
                 activity_id, response.status_code, response.text))
         return response.text
 
+    @require_session
+    def get_activity_gpx(self, activity_id):
+        """Return a KML (Keyhole Markup Language) representation of a
+        given activity. If the activity cannot be exported to KML
+        (not yet observed in practice, but that doesn't exclude the
+        possibility), a :obj:`None` value is returned.
+
+        :param activity_id: Activity identifier.
+        :type activity_id: int
+        :returns: The KML representation of the activity as an XML string
+          or ``None`` if the activity couldn't be exported to KML.
+        :rtype: str
+        """
+        response = self.session.get(
+            "https://connect.garmin.com/proxy/download-service/export/kml/activity/{}".format(activity_id))
+        # A 404 (Not Found) or 204 (No Content) response are both indicators
+        # of a gpx file not being available for the activity. It may, for
+        # example be a manually entered activity without any device data.
+        if response.status_code in (404, 204):
+            return None
+        if response.status_code != 200:
+            raise Exception(u"failed to fetch KML for activity {}: {}\n{}".format(
+                activity_id, response.status_code, response.text))
+        return response.text
+
     @require_session
     def get_activity_tcx(self, activity_id):
         """Return a TCX (Training Center XML) representation of a
@@ -433,7 +458,7 @@ def upload_activity(self, file, format=None, name=None, description=None, activi
         """Upload a GPX, TCX, or FIT file for an activity.
 
         :param file: Path or open file
-        :param format: File format (gpx, tcx, or fit); guessed from filename if :obj:`None`
+        :param format: File format (gpx, kml, tcx, or fit); guessed from filename if :obj:`None`
         :type format: str
         :param name: Optional name for the activity on Garmin Connect
         :type name: str
@@ -454,7 +479,7 @@ def upload_activity(self, file, format=None, name=None, description=None, activi
         fn = os.path.basename(file.name)
         _, ext = os.path.splitext(fn)
         if format is None:
-            if ext.lower() in ('.gpx', '.tcx', '.fit'):
+            if ext.lower() in ('.gpx', '.kml', '.tcx', '.fit'):
                 format = ext.lower()[1:]
             else:
                 raise Exception(u"could not guess file type for {}".format(fn))
diff --git a/garminexport/incremental_backup.py b/garminexport/incremental_backup.py
index 6c0f883d..01ac0ff1 100644
--- a/garminexport/incremental_backup.py
+++ b/garminexport/incremental_backup.py
@@ -30,7 +30,7 @@ def incremental_backup(username: str,
     library is used.
     :type user_agent_fn: Callable[[], str]
     :param backup_dir: Destination directory for downloaded activities. Default: ./activities/".
-    :param export_formats: List of desired output formats (json_summary, json_details, gpx, tcx, fit).
+    :param export_formats: List of desired output formats (json_summary, json_details, gpx, kml, tcx, fit).
     Default: `None` which means all supported formats will be backed up.
     :param ignore_errors: Ignore errors and keep going. Default: False.
     :param max_retries: The maximum number of retries to make on failed attempts to fetch an activity.