diff --git a/brouter-core/src/test/resources/paramTrack0.gpx b/brouter-core/src/test/resources/paramTrack0.gpx
index f3de18c..80d1e3e 100644
--- a/brouter-core/src/test/resources/paramTrack0.gpx
+++ b/brouter-core/src/test/resources/paramTrack0.gpx
@@ -1,76 +1,67 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- track-length = 1902 filtered ascend = 0 plain-ascend = 0 cost=2753 energy=.0kwh time=5m 9s -->
+<!-- track-length = 1570 filtered ascend = 4 plain-ascend = -15 cost=2840 energy=.0kwh time=3m 45s -->
 <gpx 
  xmlns="http://www.topografix.com/GPX/1/1" 
  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="BRouter-1.6.3" version="1.1">
+ creator="BRouter-1.7.0" version="1.1">
  <trk>
   <name>brouter_trekking_0</name>
   <trkseg>
-   <trkpt lon="8.723027" lat="50.000499"></trkpt>
-   <trkpt lon="8.723285" lat="50.000610"></trkpt>
-   <trkpt lon="8.724003" lat="50.000939"></trkpt>
-   <trkpt lon="8.724437" lat="50.000856"></trkpt>
-   <trkpt lon="8.724590" lat="50.000810"></trkpt>
-   <trkpt lon="8.724778" lat="50.000741"></trkpt>
-   <trkpt lon="8.725133" lat="50.001318"></trkpt>
-   <trkpt lon="8.725379" lat="50.001518"></trkpt>
-   <trkpt lon="8.725365" lat="50.001683"></trkpt>
-   <trkpt lon="8.725388" lat="50.001830"></trkpt>
-   <trkpt lon="8.725421" lat="50.001903"></trkpt>
-   <trkpt lon="8.725492" lat="50.002032"></trkpt>
-   <trkpt lon="8.725642" lat="50.002152"></trkpt>
-   <trkpt lon="8.725847" lat="50.002262"></trkpt>
-   <trkpt lon="8.725994" lat="50.002570"></trkpt>
-   <trkpt lon="8.726143" lat="50.002754"></trkpt>
-   <trkpt lon="8.726166" lat="50.002864"></trkpt>
-   <trkpt lon="8.725143" lat="50.002880"></trkpt>
-   <trkpt lon="8.724635" lat="50.002851"></trkpt>
-   <trkpt lon="8.723968" lat="50.002840"></trkpt>
-   <trkpt lon="8.723534" lat="50.002821"></trkpt>
-   <trkpt lon="8.722486" lat="50.002697"></trkpt>
-   <trkpt lon="8.721892" lat="50.002631"></trkpt>
-   <trkpt lon="8.721836" lat="50.002624"></trkpt>
-   <trkpt lon="8.721209" lat="50.002553"></trkpt>
-   <trkpt lon="8.721118" lat="50.002538"></trkpt>
-   <trkpt lon="8.721021" lat="50.002493"></trkpt>
-   <trkpt lon="8.720994" lat="50.002509"></trkpt>
-   <trkpt lon="8.720960" lat="50.002518"></trkpt>
-   <trkpt lon="8.720888" lat="50.002517"></trkpt>
-   <trkpt lon="8.720853" lat="50.002586"></trkpt>
-   <trkpt lon="8.720782" lat="50.002704"></trkpt>
-   <trkpt lon="8.720554" lat="50.002937"></trkpt>
-   <trkpt lon="8.720469" lat="50.003004"></trkpt>
-   <trkpt lon="8.718899" lat="50.003724"></trkpt>
-   <trkpt lon="8.718254" lat="50.004051"></trkpt>
-   <trkpt lon="8.718123" lat="50.004087"></trkpt>
-   <trkpt lon="8.717543" lat="50.004244"></trkpt>
-   <trkpt lon="8.717181" lat="50.004357"></trkpt>
-   <trkpt lon="8.716729" lat="50.004515"></trkpt>
-   <trkpt lon="8.716463" lat="50.004600"></trkpt>
-   <trkpt lon="8.715713" lat="50.004799"></trkpt>
-   <trkpt lon="8.715490" lat="50.004843"></trkpt>
-   <trkpt lon="8.714977" lat="50.004918"></trkpt>
-   <trkpt lon="8.714539" lat="50.005012"></trkpt>
-   <trkpt lon="8.713784" lat="50.005136"></trkpt>
-   <trkpt lon="8.713582" lat="50.005177"></trkpt>
-   <trkpt lon="8.713316" lat="50.005086"></trkpt>
-   <trkpt lon="8.713067" lat="50.005001"></trkpt>
-   <trkpt lon="8.712848" lat="50.004896"></trkpt>
-   <trkpt lon="8.712781" lat="50.004859"></trkpt>
-   <trkpt lon="8.712667" lat="50.004765"></trkpt>
-   <trkpt lon="8.712563" lat="50.004683"></trkpt>
-   <trkpt lon="8.712154" lat="50.004321"></trkpt>
-   <trkpt lon="8.712066" lat="50.004245"></trkpt>
-   <trkpt lon="8.713422" lat="50.003599"></trkpt>
-   <trkpt lon="8.713452" lat="50.003572"></trkpt>
-   <trkpt lon="8.713592" lat="50.003347"></trkpt>
-   <trkpt lon="8.713620" lat="50.003326"></trkpt>
-   <trkpt lon="8.713956" lat="50.003142"></trkpt>
-   <trkpt lon="8.713468" lat="50.002781"></trkpt>
-   <trkpt lon="8.713293" lat="50.002684"></trkpt>
-   <trkpt lon="8.712770" lat="50.002929"></trkpt>
+   <trkpt lon="8.723027" lat="50.000499"><ele>175.25</ele></trkpt>
+   <trkpt lon="8.723285" lat="50.000610"><ele>176.75</ele></trkpt>
+   <trkpt lon="8.724003" lat="50.000939"><ele>179.25</ele></trkpt>
+   <trkpt lon="8.723553" lat="50.001028"><ele>177.5</ele></trkpt>
+   <trkpt lon="8.723041" lat="50.001194"><ele>174.5</ele></trkpt>
+   <trkpt lon="8.722781" lat="50.001312"><ele>173.25</ele></trkpt>
+   <trkpt lon="8.722027" lat="50.001834"><ele>169.5</ele></trkpt>
+   <trkpt lon="8.721982" lat="50.001865"><ele>169.5</ele></trkpt>
+   <trkpt lon="8.722320" lat="50.002050"><ele>171.0</ele></trkpt>
+   <trkpt lon="8.722449" lat="50.002197"><ele>171.25</ele></trkpt>
+   <trkpt lon="8.722497" lat="50.002337"><ele>171.25</ele></trkpt>
+   <trkpt lon="8.722506" lat="50.002463"><ele>171.0</ele></trkpt>
+   <trkpt lon="8.722486" lat="50.002697"><ele>170.25</ele></trkpt>
+   <trkpt lon="8.721892" lat="50.002631"><ele>167.75</ele></trkpt>
+   <trkpt lon="8.721836" lat="50.002624"><ele>167.5</ele></trkpt>
+   <trkpt lon="8.721209" lat="50.002553"><ele>165.25</ele></trkpt>
+   <trkpt lon="8.721118" lat="50.002538"><ele>164.75</ele></trkpt>
+   <trkpt lon="8.721021" lat="50.002493"><ele>164.5</ele></trkpt>
+   <trkpt lon="8.720994" lat="50.002509"><ele>164.25</ele></trkpt>
+   <trkpt lon="8.720960" lat="50.002518"><ele>164.25</ele></trkpt>
+   <trkpt lon="8.720888" lat="50.002517"><ele>163.75</ele></trkpt>
+   <trkpt lon="8.720853" lat="50.002586"><ele>163.75</ele></trkpt>
+   <trkpt lon="8.720782" lat="50.002704"><ele>163.25</ele></trkpt>
+   <trkpt lon="8.720554" lat="50.002937"><ele>162.25</ele></trkpt>
+   <trkpt lon="8.720469" lat="50.003004"><ele>162.0</ele></trkpt>
+   <trkpt lon="8.718899" lat="50.003724"><ele>160.0</ele></trkpt>
+   <trkpt lon="8.718254" lat="50.004051"><ele>159.25</ele></trkpt>
+   <trkpt lon="8.718123" lat="50.004087"><ele>159.0</ele></trkpt>
+   <trkpt lon="8.717543" lat="50.004244"><ele>159.0</ele></trkpt>
+   <trkpt lon="8.717181" lat="50.004357"><ele>159.0</ele></trkpt>
+   <trkpt lon="8.716729" lat="50.004515"><ele>158.0</ele></trkpt>
+   <trkpt lon="8.716463" lat="50.004600"><ele>157.5</ele></trkpt>
+   <trkpt lon="8.715713" lat="50.004799"><ele>156.25</ele></trkpt>
+   <trkpt lon="8.715490" lat="50.004843"><ele>156.0</ele></trkpt>
+   <trkpt lon="8.714977" lat="50.004918"><ele>155.25</ele></trkpt>
+   <trkpt lon="8.714539" lat="50.005012"><ele>154.25</ele></trkpt>
+   <trkpt lon="8.713784" lat="50.005136"><ele>152.5</ele></trkpt>
+   <trkpt lon="8.713582" lat="50.005177"><ele>152.5</ele></trkpt>
+   <trkpt lon="8.713316" lat="50.005086"><ele>153.0</ele></trkpt>
+   <trkpt lon="8.713067" lat="50.005001"><ele>153.25</ele></trkpt>
+   <trkpt lon="8.712848" lat="50.004896"><ele>153.75</ele></trkpt>
+   <trkpt lon="8.712781" lat="50.004859"><ele>154.0</ele></trkpt>
+   <trkpt lon="8.712667" lat="50.004765"><ele>154.25</ele></trkpt>
+   <trkpt lon="8.712563" lat="50.004683"><ele>154.5</ele></trkpt>
+   <trkpt lon="8.712154" lat="50.004321"><ele>156.25</ele></trkpt>
+   <trkpt lon="8.712066" lat="50.004245"><ele>156.5</ele></trkpt>
+   <trkpt lon="8.713422" lat="50.003599"><ele>158.5</ele></trkpt>
+   <trkpt lon="8.713452" lat="50.003572"><ele>158.5</ele></trkpt>
+   <trkpt lon="8.713592" lat="50.003347"><ele>158.5</ele></trkpt>
+   <trkpt lon="8.713620" lat="50.003326"><ele>158.5</ele></trkpt>
+   <trkpt lon="8.713956" lat="50.003142"><ele>158.5</ele></trkpt>
+   <trkpt lon="8.713468" lat="50.002781"><ele>159.5</ele></trkpt>
+   <trkpt lon="8.713293" lat="50.002684"><ele>159.75</ele></trkpt>
+   <trkpt lon="8.712770" lat="50.002929"><ele>159.5</ele></trkpt>
   </trkseg>
  </trk>
 </gpx>
diff --git a/brouter-server/src/test/java/btools/server/RouteServerTest.java b/brouter-server/src/test/java/btools/server/RouteServerTest.java
index 2bd4609..d4c971e 100644
--- a/brouter-server/src/test/java/btools/server/RouteServerTest.java
+++ b/brouter-server/src/test/java/btools/server/RouteServerTest.java
@@ -91,7 +91,7 @@ public class RouteServerTest {
 
     InputStream inputStream = httpConnection.getInputStream();
     JSONObject geoJson = new JSONObject(new String(inputStream.readAllBytes(), StandardCharsets.UTF_8));
-    Assert.assertEquals("1866", geoJson.query("/features/0/properties/track-length"));
+    Assert.assertEquals("1570", geoJson.query("/features/0/properties/track-length"));
   }
 
   @Test