diff --git a/rowers/c2stuff.py b/rowers/c2stuff.py
index 7b827a2e..3c514742 100644
--- a/rowers/c2stuff.py
+++ b/rowers/c2stuff.py
@@ -416,9 +416,17 @@ def createc2workoutdata(w):
 
     # adding diff, trying to see if this is valid
     t = 10*row.df.loc[:,'TimeStamp (sec)'].values-10*row.df.loc[:,'TimeStamp (sec)'].iloc[0]
-    t[0] = t[1]
+    try:
+        t[0] = t[1]
+    except IndexError:
+        pass
+    
     d = 10*row.df.loc[:,' Horizontal (meters)'].values
-    d[0] = d[1]
+    try:
+        d[0] = d[1]
+    except IndexError:
+        pass
+    
     p = abs(10*row.df.loc[:,' Stroke500mPace (sec/500m)'].values)
     p = np.clip(p,0,3600)
     if w.workouttype == 'bike':
@@ -428,7 +436,11 @@ def createc2workoutdata(w):
     d = d.astype(int)
     p = p.astype(int)
     spm = row.df[' Cadence (stokes/min)'].astype(int)
-    spm[0] = spm[1]
+
+    try:
+        spm[0] = spm[1]
+    except IndexError:
+        pass
     try:
         hr = row.df[' HRCur (bpm)'].astype(int)
     except ValueError:
diff --git a/rowers/tests/testdata/testdata.csv.gz b/rowers/tests/testdata/testdata.csv.gz
index c27c6e96..fec80aec 100644
Binary files a/rowers/tests/testdata/testdata.csv.gz and b/rowers/tests/testdata/testdata.csv.gz differ