diff --git a/rowers/forms.py b/rowers/forms.py
index 542f7cba..3cafb247 100644
--- a/rowers/forms.py
+++ b/rowers/forms.py
@@ -991,7 +991,9 @@ class SessionDateShiftForm(forms.Form):
 class DeltaDaysForm(forms.Form):
     deltadays = forms.IntegerField(initial=7, required=False, label='')
 
-
+class PlanByRscoreForm(forms.Form):
+    byrscore = forms.BooleanField(initial=False, required=False, label='plan by rScore')
+    
 class RegistrationForm(UserCreationForm):
     """
     Form for registering a new user account.
diff --git a/rowers/models.py b/rowers/models.py
index e4e0cfe9..63da2915 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -2813,7 +2813,7 @@ class PlannedSession(models.Model):
                 self.sessionvalue = self.approximate_duration
             elif self.sessionmode == 'distance':  # pragma: no cover
                 self.sessionvalue = self.approximate_distance
-            elif self.sessionmode == 'rscore':  # pragma: no cover
+            elif self.sessionmode == 'rScore':  # pragma: no cover
                 self.sessionvalue = self.approximate_rscore
 
         super(PlannedSession, self).save(*args, **kwargs)
diff --git a/rowers/plannedsessions.py b/rowers/plannedsessions.py
index 1b52f280..8b795e05 100644
--- a/rowers/plannedsessions.py
+++ b/rowers/plannedsessions.py
@@ -1063,7 +1063,7 @@ def get_workouts_session(r, ps):
 
     return ws
 
-def create_sessions_from_json(plansteps, rower, startdate, manager):
+def create_sessions_from_json(plansteps, rower, startdate, manager, planbyrscore=False):
     trainingdays = plansteps['trainingDays']
     planstartdate = startdate
     for day in trainingdays:
@@ -1076,6 +1076,10 @@ def create_sessions_from_json(plansteps, rower, startdate, manager):
 
             preferreddate = planstartdate+timedelta(days=day['order'])
 
+            sessionmode = 'time'
+            if planbyrscore:
+                sessionmode = 'rScore'
+
             ps = PlannedSession(
                 startdate=preferreddate -
                 timedelta(days=preferreddate.weekday()),
@@ -1086,7 +1090,7 @@ def create_sessions_from_json(plansteps, rower, startdate, manager):
                 name=workout['workoutName'],
                 steps=workout,
                 manager=manager,
-                sessionmode='time',
+                sessionmode=sessionmode,
                 comment=workout['description']
             )
 
diff --git a/rowers/templates/instantplan.html b/rowers/templates/instantplan.html
index 313d75d8..727bcbcf 100644
--- a/rowers/templates/instantplan.html
+++ b/rowers/templates/instantplan.html
@@ -58,6 +58,9 @@
         {% endif %}
     <table>
       {{ form.as_table }}
+      {% if byrscoreform %}
+      {{ byrscoreform.as_table }}
+      {% endif %}
     </table>
     {% csrf_token %}
     {% if plan.price|discounted:rower == 0 %}
diff --git a/rowers/utils.py b/rowers/utils.py
index 72e4b799..9ec563ad 100644
--- a/rowers/utils.py
+++ b/rowers/utils.py
@@ -690,7 +690,7 @@ def steps_write_fit(steps):
     return filename
 
 
-def step_to_time_dist(step, avgspeed=3.2, ftp=200, ftspm=25, ftv=3.7):
+def step_to_time_dist(step, avgspeed=3.2, ftp=200, ftspm=25, ftv=3.7, powerzones=None):
     seconds = 0
     distance = 0
     rscore = 0
@@ -732,7 +732,9 @@ def step_to_time_dist(step, avgspeed=3.2, ftp=200, ftspm=25, ftv=3.7):
 
             if value != 0:
                 if value < 10 and value > 0:  # pragma: no cover
-                    targetpower = ftp*0.6
+                    targetpower = ftp*0.6 # dit is niet correct
+                    if powerzones is not None and value < len(powerzones)-1 and value>1:
+                        targetpower = (powerzones[int(value)-1]+powerzones[int(value)])/(2.)
                 elif value > 10 and value < 1000:  # pragma: no cover
                     targetpower = value*ftp/100.
                 elif value > 1000:
@@ -890,15 +892,17 @@ def ps_dict_order(d, short=False, rower=None, html=True):
     steps = d['steps']
 
     ftp = 200
+    powerzones = None
     if rower is not None:
         ftp = rower.ftp
+        powerzones = [rower.pw_ut2, rower.pw_ut1, rower.pw_at, rower.pw_tr, rower.pw_an]
         # ftv = rower.ftv
         # ftspm = rower.ftspm
 
     for step in steps:
         sstring, type, stepID, repeatID, repeatValue = step_to_string(
             step, short=short)
-        seconds, meters, rscore = step_to_time_dist(step, ftp=ftp)
+        seconds, meters, rscore = step_to_time_dist(step, ftp=ftp, powerzones=powerzones)
 
         sdict[stepID] = {
             'string': sstring,
diff --git a/rowers/views/planviews.py b/rowers/views/planviews.py
index 24b84ec4..e92669e1 100644
--- a/rowers/views/planviews.py
+++ b/rowers/views/planviews.py
@@ -1417,7 +1417,6 @@ def save_plan_yaml(request, userid=0):
                     elif ps.sessionmode == 'time':
                         ps.interval_string = '{d}min'.format(d=ps.sessionvalue)
                     elif ps.sessionmode == 'rScore':
-                        print('aap')
                         ps.approximate_duration = ps.sessionvalue
                         ps.interval_string = '{d}min'.format(d=ps.sessionvalue)
                     elif ps.sessionmode == 'TRIMP':
@@ -2670,6 +2669,14 @@ def rower_view_instantplan(request, id='', userid=0):
                 return HttpResponseRedirect(url)
 
         form = InstantPlanSelectForm(request.POST, targets=targets)
+        byrscoreform = PlanByRscoreForm(request.POST)
+        if byrscoreform.is_valid():
+            try:
+                byrscore = byrscoreform.cleaned_data['byrscore']
+            except KeyError:
+                byrscore = False
+        else:
+            byrscore = False
 
         if form.is_valid():
             if plan.price > 0:  # pragma: no cover
@@ -2718,7 +2725,7 @@ def rower_view_instantplan(request, id='', userid=0):
             p.save()
             p.rowers.add(r)
 
-            create_sessions_from_json(plansteps, r, startdate, r.user)
+            create_sessions_from_json(plansteps, r, startdate, r.user, planbyrscore=byrscore)
 
             messages.info(request, 'Your Sessions have been added')
 
@@ -2739,6 +2746,13 @@ def rower_view_instantplan(request, id='', userid=0):
         }
         form = InstantPlanSelectForm(
             targets=targets, instantplan=plan, initial=initial)
+        if request.user.is_superuser:
+            byrscoreform = PlanByRscoreForm()
+        else:
+            byrscoreform = None
+
+    
+
     else:  # pragma: no cover
         form = None
 
@@ -2771,6 +2785,7 @@ def rower_view_instantplan(request, id='', userid=0):
                       'rower': r,
                       'active': 'nav-plan',
                       'plan': plan,
+                      'byrscoreform': byrscoreform,
                       'trainingdays': trainingdays2,
                       'breadcrumbs': breadcrumbs,
                       'form': form,
@@ -2983,6 +2998,7 @@ def rower_create_trainingplan(request, id=0):
                             initial={'status': False, 'rowers': [therower]},
                             user=request.user)
 
+
     breadcrumbs = [
         {
             'url': reverse(plannedsessions_view,
diff --git a/rowers/views/statements.py b/rowers/views/statements.py
index 1dc57d34..a1d2acc3 100644
--- a/rowers/views/statements.py
+++ b/rowers/views/statements.py
@@ -113,7 +113,7 @@ from rowers.forms import (
     StravaChartForm, FitnessFitForm, PerformanceManagerForm,
     TrainingPlanBillingForm, InstantPlanSelectForm,
     TrainingZonesForm, InstrokeForm, InStrokeMultipleCompareForm,
-    ForceCurveMultipleCompareForm
+    ForceCurveMultipleCompareForm, PlanByRscoreForm
 )
 
 from django.urls import reverse, reverse_lazy