diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 95fe1fc1..a824f571 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -374,6 +374,18 @@ def workout_summary_to_df(
 
 def resample(id, r, parent, overwrite=False):
     data, row = getrowdata_db(id=id)
+    rowdata = rrdata(csvfile=parent.csvfilename).df
+    # drop all columns except ' latitude' and ' longitude' and 'TimeStamp (sec)' from rowdata
+    allowedcolumns = [' latitude', ' longitude', 'TimeStamp (sec)']
+    rowdata = rowdata.filter(allowedcolumns)
+    rowdata.rename(columns={'TimeStamp (sec)': 'time'}, inplace=True)
+    rowdata['time'] = (rowdata['time']-rowdata.loc[0,'time'])*1000.
+    rowdata.set_index('time', inplace=True)
+    data.set_index('time', inplace=True)
+    rowdata_interpolated = rowdata.reindex(data.index.union(rowdata.index)).interpolate('index')
+    data = data.merge(rowdata_interpolated, left_index=True, right_index=True, how='left')
+    data = data.reset_index()
+    
     messages = []
 
     # resample
diff --git a/rowers/tests/testdata/testdata.tcx.gz b/rowers/tests/testdata/testdata.tcx.gz
index 45ab3cec..eca15abb 100644
Binary files a/rowers/tests/testdata/testdata.tcx.gz and b/rowers/tests/testdata/testdata.tcx.gz differ
diff --git a/rowers/views/workoutviews.py b/rowers/views/workoutviews.py
index 40bd1f56..b5e57156 100644
--- a/rowers/views/workoutviews.py
+++ b/rowers/views/workoutviews.py
@@ -4700,6 +4700,7 @@ def workout_map_view(request, id=0):
     u = w.user.user
     r = getrower(u)
     rowdata = rdata(csvfile=f1)
+
     hascoordinates = 1
     if rowdata != 0:
         try: