diff --git a/rowers/forms.py b/rowers/forms.py
index 829bbd3a..9555f701 100644
--- a/rowers/forms.py
+++ b/rowers/forms.py
@@ -731,11 +731,13 @@ class PowerIntervalUpdateForm(forms.Form):
         ('power','Power'),
         ('pace','Pace'),
         ('work','Work per Stroke'),
+        ('spm','Stroke Rate')
         )
 
     pace = forms.DurationField(required=False,label='Pace (/500m)')
     power = forms.IntegerField(required=False,label='Power (W)')
     work = forms.IntegerField(required=False,label='Work per Stroke (J)')
+    spm = forms.IntegerField(required=False,label='Stroke Rate')
     selector = forms.ChoiceField(choices=selectorchoices,
                                  required=True,
                                  initial='power',
diff --git a/rowers/views/workoutviews.py b/rowers/views/workoutviews.py
index ecdd672b..3ebd09e3 100644
--- a/rowers/views/workoutviews.py
+++ b/rowers/views/workoutviews.py
@@ -5614,6 +5614,7 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
     normp = row.normp
     normv = row.normv
     normw = row.normw
+    normspm = rowdata.df[' Cadence (stokes/min)'].mean()
 
     if tss == -1:
         tss,normp = dataprep.workout_rscore(row)
@@ -5635,7 +5636,8 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
         'power': int(normp),
         'pace': avpace,
         'selector': 'power',
-        'work': int(normw)
+        'work': int(normw),
+        'spm': int(normspm),
         }
 
     powerorpace = 'power'
@@ -5670,6 +5672,7 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
         value_pace = request.POST['value_pace']
         value_power = request.POST['value_power']
         value_work = request.POST['value_work']
+        value_spm = request.POST['value_spm']
         if powerorpace == 'power':
             try:
                 power = int(value_power)
@@ -5688,6 +5691,11 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
                 work = int(value_work)
             except ValueError:
                 work = int(normw)
+        elif powerorpace == 'spm':
+            try:
+                spm = int(value_spm)
+            except ValueError:
+                spm = int(normspm)
 
         if powerorpace == 'power' and power is not None:
             try:
@@ -5711,6 +5719,14 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
                     debug=False,smoothwindow=15.)
             except:
                 messages.error(request,'Error updating Work per Stroke')
+        elif powerorpace == 'spm':
+            try:
+                print('aap')
+                rowdata.updateinterval_metric(
+                    ' Cadence (stokes/min)',spm,mode='larger',
+                    debug=False,smoothwindow=2.)
+            except:
+                messages.error(request,'Error updating SPM')
 
         intervalstats = rowdata.allstats()
         itime,idist,itype = rowdata.intervalstats_values()
@@ -5728,7 +5744,8 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
             'power': power,
             'pace': datetime.timedelta(seconds=int(pace_secs)),
             'work': work,
-            'selector': powerorpace
+            'selector': powerorpace,
+            'spm': int(normspm)
         }
         form = SummaryStringForm()
         powerupdateform = PowerIntervalUpdateForm(initial=data)
@@ -5773,7 +5790,8 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
             'power': int(normp),
             'pace': avpace,
             'selector': 'power',
-            'work': int(normw)
+            'work': int(normw),
+            'spm': int(normspm),
         })
         savebutton = 'savestringform'
 
@@ -5786,6 +5804,7 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
             power = cd['power']
             pace = cd['pace']
             work = cd['work']
+            spm = cd['spm']
             try:
                 pace_secs = pace.seconds+pace.microseconds/1.0e6
             except AttributeError:
@@ -5811,6 +5830,13 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
                         debug=False,smoothwindow=15.)
                 except:
                     messages.error(request,'Error updating Work per Stroke')
+            elif powerorpace == 'spm':
+                try:
+                    rowdata.updateinterval_metric(' Cadence (stokes/min)',spm,mode='larger',
+                                                  debug=False,smoothwindow=2.)
+                except:
+                    print('mies')
+                    messages.error(request,'Error updating SPM')
 
 
             intervalstats = rowdata.allstats()
@@ -5822,6 +5848,7 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
                 'value_power': power,
                 'value_pace': pace_secs,
                 'value_work': work,
+                'value_spm': spm,
                 }
             powerupdateform = PowerIntervalUpdateForm(initial=cd)
             form = SummaryStringForm()
@@ -5888,7 +5915,8 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
             'power': int(normp),
             'pace': avpace,
             'selector': 'power',
-            'work': int(normw)
+            'work': int(normw),
+            'spm': int(normspm),
         })