diff --git a/classes/Geo.php b/classes/Geo.php
index 7967b98..6ef7d9a 100644
--- a/classes/Geo.php
+++ b/classes/Geo.php
@@ -16,7 +16,16 @@ class Geo
 		$delta_lat = ($lat2 - $lat1);
 		$delta_lng = ($lng2 - $lng1);
 
-		return (6378137 * acos(cos($lat1) * cos($lat2) * cos($lng1 - $lng2) + sin($lat1) * sin($lat2)));
+		$distance = (6378137 * acos(cos($lat1) * cos($lat2) * cos($lng1 - $lng2) + sin($lat1) * sin($lat2)));
+
+		if (isset($latlng1['alt']) && isset($latlng2['alt']) && $latlng1['alt'] <> $latlng2['alt']) {
+//			var_dump($distance, abs($latlng1['alt'] - $latlng2['alt']));
+			$altDelta = abs($latlng1['alt'] - $latlng2['alt']);
+			$distance = sqrt(pow($distance, 2) + pow($altDelta, 2));
+//			var_dump($distance);die;
+		}
+
+		return $distance;
 	}
 
 	static function formatedDistance($distance)
diff --git a/controllers/JsonController.php b/controllers/JsonController.php
index 69dc53c..a1354b1 100644
--- a/controllers/JsonController.php
+++ b/controllers/JsonController.php
@@ -625,7 +625,7 @@ class JsonController extends Controller
 		if ($tracks) {
 			foreach ($tracks as $track) {
 				$resLatlngs = array();
-				$trackPoints = TrackPoints::model()->getAll(array('where' => '`trackId` = ?'), array($track->id));
+				$trackPoints = TrackPoints::model()->getAll(array('where' => '`trackId` = ?', 'order'=>'id'), array($track->id));
 				if ($trackPoints) {
 					foreach ($trackPoints as $trackPoint) {
 						$resLatlngs[] = array(
diff --git a/controllers/TracksController.php b/controllers/TracksController.php
index 63bafd6..1bdbec4 100644
--- a/controllers/TracksController.php
+++ b/controllers/TracksController.php
@@ -108,6 +108,22 @@ class TracksController extends Controller
 		));
 	}
 
+	function actionExport()
+	{
+		$id = intval(App::getParam('id'));
+		$trip = Trips::model()->getByPK($id);
+
+		if ($trip->isEmpty() || $trip->owner != App::$user->id) {
+			App::error404();
+		}
+
+		self::renderPartial('/tracks/gpx.php', array(
+			'trip' => $trip,
+			'waypoints' => WayPoints::model()->getAll(array('where' => '`tripId` = ?'), array($trip->id)),
+			'tracks' => Tracks::model()->getAll(array('where' => '`tripId` = ?'), array($trip->id)),
+		));
+	}
+
 	function actionImport()
 	{
 		$id = (int) App::getParam('id');
@@ -206,25 +222,29 @@ class TracksController extends Controller
 
 						foreach ($trkpt as $tpt) {
 							$speed = isset($tpt->extensions->geotrackerMeta['s']) ? floatval($tpt->extensions->geotrackerMeta['s']) : 0;
+							$alt = isset($tpt->ele) ? floatval($tpt->ele) : 0;
 							$trackPoint = TrackPoints::model()->add(
 									array(
 										'trackId' => $track->id,
 										'lat' => floatval($tpt['lat']),
 										'lng' => floatval($tpt['lon']),
-										'alt' => isset($tpt->ele) ? floatval($tpt->ele) : 0,
+										'alt' => $alt,
 										'createdAt' => isset($tpt->time) ? $tpt->time : date('c'),
 										'speed' => $speed,
 									)
 							);
 
 							if ($prevPoint) {
-								$distanceTmp += Geo::distance($prevPoint, array('lat' => floatval($tpt['lat']), 'lng' => floatval($tpt['lon'])));
+								$distanceTmp += Geo::distance($prevPoint, array('lat' => floatval($tpt['lat']), 'lng' => floatval($tpt['lon']), 'alt' => $alt));
 							}
 
 							$prevPoint = array(
 								'lat' => floatval($tpt['lat']),
 								'lng' => floatval($tpt['lon']),
 							);
+							if (isset($tpt->ele)) {
+								$prevPoint['alt'] = floatval($tpt->ele);
+							}
 							$tptCount++;
 						}
 
diff --git a/views/tracks/gpx.php b/views/tracks/gpx.php
new file mode 100644
index 0000000..955be1f
--- /dev/null
+++ b/views/tracks/gpx.php
@@ -0,0 +1,51 @@
+<?php
+	header('Content-type: text/xml');
+	header('Content-Disposition: attachment; filename="text.gpx"');
+?><?xml version='1.0' encoding='UTF-8' standalone='yes' ?>
+<gpx version="1.1" xmlns="http://www.topografix.com/GPX/1/1" xmlns:geotracker="http://ilyabogdanovich.com/gpx/extensions/geotracker" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd" creator="Find your road! https://wikipoints.ru">
+	<metadata>
+		<name><?= $trip->name ?></name>
+		<desc><?= $trip->description ?></desc>
+		<link href="https://wikipoints.ru" />
+		<time><?= $trip->createdAt ?></time>
+		<author>
+			<name><?= App::$user->nick ?></name>
+			<link href="https://wikipoints.ru/user/<?= App::$user->id ?>" />
+		</author>
+	</metadata>
+<?php if ($waypoints): ?>
+<?php foreach ($waypoints as $wpt): ?>
+	<wpt lat="<?= $wpt->lat ?>" lon="<?= $wpt->lng ?>">
+		<ele><?= $wpt->alt ?></ele>
+		<time><?= $wpt->createdAt ?></time>
+		<name><?= $wpt->name ?></name>
+		<desc><?= $wpt->description ?></desc>
+	</wpt>
+<?php endforeach; ?>
+<?php endif; ?>
+<?php if ($tracks): ?>
+	<trk>
+		<name><?= $trip->name ?></name>
+		<extensions>
+			<geotracker:meta>
+				<length><?= $trip->distance ?></length>
+				<creationtime><?= $trip->createdAt ?></creationtime>
+			</geotracker:meta>
+		</extensions>
+<?php foreach ($tracks as $track): ?>
+<?php $trackPoints = TrackPoints::model()->getAll(array('where' => '`trackId` = ?', 'order'=>'id'), array($track->id)); ?>
+		<trkseg>
+<?php foreach ($trackPoints as $tpt): ?>
+			<trkpt lat="<?= $tpt->lat ?>" lon="<?= $tpt->lng ?>">
+				<ele><?= $tpt->alt ?></ele>
+				<time><?= $tpt->createdAt ?></time>
+				<extensions>
+					<geotracker:meta s="<?= $tpt->speed ?>" />
+				</extensions>
+			</trkpt>
+<?php endforeach; ?>
+		</trkseg>
+<?php endforeach; ?>
+		</trk>
+<?php endif; ?>
+</gpx>
\ No newline at end of file
diff --git a/views/tracks/index.php b/views/tracks/index.php
index 56194c4..8f3b3ea 100644
--- a/views/tracks/index.php
+++ b/views/tracks/index.php
@@ -25,6 +25,9 @@ if ($trips) {
 	<a href="/tracks/edit/id/<?= $trip->id ?>" class="btn btn-default">
 		<span class="glyphicon glyphicon-pencil" aria-hidden="true" title="Редактировать трек"></span>
 	</a>
+	<a href="/tracks/export/id/<?= $trip->id ?>" class="btn btn-default">
+		<span class="glyphicon glyphicon-download-alt" aria-hidden="true" title="Скачать трек в формате GPX"></span>
+	</a>
 	<?= $trip->id ?> —
 	<a href="/?track=<?= $trip->id ?>"><?= $trip->name ?></a> (<?= $trip->createdAt ?>)
 	<?php if($trip->status == Trips::STATUS_PUBLIC):?>