diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 56c2ac42..c4a92124 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -1850,7 +1850,7 @@ def performance_chart(user,startdate=None,enddate=None,kfitness=42,kfatigue=7,
     outids = []
 
 
-    workouts = Workout.objects.filter(user=user.rower,date__gte=startdate,
+    workouts = Workout.objects.filter(user=user.rower,date__gte=startdate-datetime.timedelta(days=90),
                                       date__lte=enddate,
                                       workouttype__in=mytypes.rowtypes,
                                       duplicate=False).order_by('date')
@@ -1869,7 +1869,8 @@ def performance_chart(user,startdate=None,enddate=None,kfitness=42,kfatigue=7,
                                                      dates,
                                                      testpower,testduration,
                                                      impulses,
-                                                     startdate,enddate,
+                                                     startdate-datetime.timedelta(days=90),
+                                                     enddate,
                                                      user,metricchoice,
                                                      kfatigue,kfitness)
 
@@ -1900,6 +1901,9 @@ def performance_chart(user,startdate=None,enddate=None,kfitness=42,kfatigue=7,
     df.sort_values(['date'],inplace=True)
     df = df.groupby(['date']).max()
     df['date'] = df.index.values
+    mask = df['date'] > np.datetime64(startdate)
+    df = df.loc[mask]
+
 
 
     source = ColumnDataSource(