diff --git a/rowers/tests/testdata/testdata.tcx.gz b/rowers/tests/testdata/testdata.tcx.gz
index e146cea0..7eecf2ed 100644
Binary files a/rowers/tests/testdata/testdata.tcx.gz and b/rowers/tests/testdata/testdata.tcx.gz differ
diff --git a/rowers/utils.py b/rowers/utils.py
index 2d697c0c..f403630c 100644
--- a/rowers/utils.py
+++ b/rowers/utils.py
@@ -480,6 +480,9 @@ def totaltime_sec_to_string(totaltime, shorten=False):
     if np.isnan(totaltime):
         return ''
 
+    if totaltime < 0:
+        totaltime = -totaltime
+
     fmt = '{H:02}:{M:02}:{S:02}.{t}'
     if shorten:
         fmt = '{H}:{M:02}:{S:02}'