diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 8d508a48..07a84620 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -5045,7 +5045,7 @@ def interactive_bar_chart(id=0,promember=0):
 
 def interactive_multiple_compare_chart(ids,xparam,yparam,plottype='line',
                                        promember=0,
-                                       labeldict=None):
+                                       labeldict=None,startenddict={}):
 
     message = ''
     errormessage = ''
@@ -5085,9 +5085,15 @@ def interactive_multiple_compare_chart(ids,xparam,yparam,plottype='line',
     if xparam != 'distance' and xparam != 'time' and xparam !=  'cumdist':
         xaxmax = yaxmaxima[xparam]
         xaxmin = yaxminima[xparam]
-    elif xparam == 'time':
+    elif xparam == 'time' and not startenddict:
         xaxmax = tseconds.max()
         xaxmin = tseconds.min()
+    elif xparam == 'time' and startenddict:
+        deltas = [pair[1]-pair[0] for key,pair in startenddict.items()]
+        xaxmin = 0
+        xaxmax = pd.Series(deltas).max()*1000.
+        if xaxmax == 0:
+            xaxmax = tseconds.max()
     else:
         xaxmax = datadf['distance'].max()
         xaxmin = datadf['distance'].min()
@@ -5170,12 +5176,29 @@ def interactive_multiple_compare_chart(ids,xparam,yparam,plottype='line',
 
     for id,color in items:
         group = datadf[datadf['workoutid']==int(id)].copy()
+        try:
+            startsecond,endsecond = startenddict[id]
+        except KeyError:
+            startsecond = 0
+            endsecond = 0
 
         group.sort_values(by='time',ascending=True,inplace=True)
 
+        if endsecond > 0:
+            group['time'] = group['time'] - 1.e3*startsecond
+            mask = group['time'] < 0
+            group.mask(mask,inplace=True)
+            mask = group['time'] > 1.e3*(endsecond-startsecond)
+            group.mask(mask,inplace=True)
+
         if xparam == 'cumdist':
+            group['cumdist'] = group['cumdist'] - group['cumdist'].min()
             res = make_cumvalues(group[xparam])
             group[xparam] = res[0]
+        elif xparam == 'distance':
+            group['distance'] = group['distance'] - group['distance'].min()
+
+
         try:
             group['x'] = group[xparam]
         except KeyError:
diff --git a/rowers/views/workoutviews.py b/rowers/views/workoutviews.py
index 0f2db8d6..40be42c1 100644
--- a/rowers/views/workoutviews.py
+++ b/rowers/views/workoutviews.py
@@ -1524,6 +1524,13 @@ def virtualevent_compare_view(request,id=0):
 
     workoutids = [result.workoutid for result in results]
 
+    startenddict = {}
+    if race.sessiontype == 'race':
+        for result in results:
+            startenddict[result.workoutid] = (result.startsecond,result.endsecond)
+
+
+
     if len(workoutids) == 0:
         url = reverse('virtualevent_view',
                       kwargs={
@@ -1536,7 +1543,11 @@ def virtualevent_compare_view(request,id=0):
 
 
     if request.method == 'GET':
-        xparam = race.sessionmode if race.sessionmode in ['distance','time'] else 'time'
+        xparam = 'time'
+        if race.sessionmode == 'distance':
+            xparam = 'cumdist'
+
+
         yparam = 'pace'
         plottype = 'line'
 
@@ -1555,10 +1566,13 @@ def virtualevent_compare_view(request,id=0):
             except Workout.DoesNotExist:
                 pass
 
+
         labeldict = {
             int(w.id): w.__str__() for w in workouts
             }
 
+
+
         chartform = ChartParamChoiceForm(
             initial = {
                 'xparam':xparam,
@@ -1584,7 +1598,7 @@ def virtualevent_compare_view(request,id=0):
             for id in workoutids:
                 try:
                     workouts.append(Workout.objects.get(
-                        id=encoder.decode_hex(id)))
+                        id=id))
                 except Workout.DoesNotExist:
                     pass
 
@@ -1598,7 +1612,7 @@ def virtualevent_compare_view(request,id=0):
     res = interactive_multiple_compare_chart(workoutids,xparam,yparam,
                                              promember=promember,
                                              plottype=plottype,
-                                             labeldict=labeldict)
+                                             labeldict=labeldict,startenddict=startenddict)
     script = res[0]
     div = res[1]
     errormessage = res[3]