diff --git a/rowers/c2stuff.py b/rowers/c2stuff.py
index 7f3d0abe..9641a41a 100644
--- a/rowers/c2stuff.py
+++ b/rowers/c2stuff.py
@@ -32,6 +32,7 @@ oauth_data = {
     'expirydatename': 'tokenexpirydate',
     'bearer_auth': True,
     'base_url': "https://log.concept2.com/oauth/access_token",
+    'scope':'write',
     }
 
 
diff --git a/rowers/dataprepnodjango.py b/rowers/dataprepnodjango.py
index 8e830138..92dccaa2 100644
--- a/rowers/dataprepnodjango.py
+++ b/rowers/dataprepnodjango.py
@@ -1251,8 +1251,11 @@ def dataprep(rowdatadf,id=0,bands=True,barchart=True,otwpower=True,
                 data.to_sql('strokedata',engine,if_exists='append',index=False)
             except:
                 data.drop(columns=['rhythm'],inplace=True)
-                data.to_sql('strokedata',engine,if_exists='append',index=False)
-                
+                try:
+                    data.to_sql('strokedata',engine,if_exists='append',index=False)
+                except:
+                    pass
+                    
         conn.close()
         engine.dispose()    
     return data
diff --git a/rowers/imports.py b/rowers/imports.py
index 0c7e3640..4fdea563 100644
--- a/rowers/imports.py
+++ b/rowers/imports.py
@@ -216,6 +216,8 @@ def imports_get_token(
     if 'grant_type' in oauth_data:
         if oauth_data['grant_type']:
             post_data['grant_type'] = oauth_data['grant_type']
+            if 'strava' in oauth_data['autorization_uri']:
+                post_data['grant_type'] = "authorization_code"
         else:
             grant_type = post_data.pop('grant_type',None)
 
@@ -265,7 +267,7 @@ def imports_make_authorization_url(oauth_data):
     params = {"client_id": oauth_data['client_id'],
               "response_type": "code",
               "redirect_uri": oauth_data['redirect_uri'],
-	      "scope":"write",
+	      "scope":oauth_data['scope'],
 	      "state":state}
 
 
diff --git a/rowers/models.py b/rowers/models.py
index a07bbc68..f5d03383 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -2091,7 +2091,8 @@ class Workout(models.Model):
     
     user = models.ForeignKey(Rower)
     team = models.ManyToManyField(Team,blank=True)
-    plannedsession = models.ForeignKey(PlannedSession, blank=True,null=True)
+    plannedsession = models.ForeignKey(PlannedSession, blank=True,null=True,
+                                       verbose_name='Session')
     name = models.CharField(max_length=150,blank=True,null=True)
     date = models.DateField()
     workouttype = models.CharField(choices=workouttypes,max_length=50,
@@ -2452,7 +2453,7 @@ class WorkoutForm(ModelForm):
 #    duration = forms.TimeInput(format='%H:%M:%S.%f')
     class Meta:
 	model = Workout
-	fields = ['name','date','starttime','timezone','duration','distance','workouttype','boattype','weightcategory','notes','rankingpiece','duplicate']
+	fields = ['name','date','starttime','timezone','duration','distance','workouttype','boattype','weightcategory','notes','rankingpiece','duplicate','plannedsession']
 	widgets = {
 	    'date': AdminDateWidget(),
 	    'notes': forms.Textarea,
@@ -2474,6 +2475,21 @@ class WorkoutForm(ModelForm):
                 self.fields['private'].initial = False
             else:
                 self.fields['private'].initial = True
+
+            workout = self.instance
+            sps = PlannedSession.objects.filter(
+                rower__in=[workout.user],
+                startdate__lte=workout.date,
+                enddate__gte=workout.date,
+            ).order_by("preferreddate","startdate","enddate").exclude(
+                sessiontype='race')
+                
+            if not sps:
+                del self.fields['plannedsession']
+            else:
+                self.fields['plannedsession'].queryset = sps
+        else:
+            del self.fields['plannedsession']
                 
 # Used for the rowing physics calculations
 class AdvancedWorkoutForm(ModelForm):
diff --git a/rowers/runkeeperstuff.py b/rowers/runkeeperstuff.py
index 151bb5bc..850da57a 100644
--- a/rowers/runkeeperstuff.py
+++ b/rowers/runkeeperstuff.py
@@ -19,7 +19,8 @@ oauth_data = {
     'expirydatename': None,
     'bearer_auth': True,
     'base_url': "https://runkeeper.com/apps/token",
-    'headers': {'user-agent': 'sanderroosendaal'}
+    'headers': {'user-agent': 'sanderroosendaal'},
+    'scope':'write',
     }
 
 
diff --git a/rowers/sporttracksstuff.py b/rowers/sporttracksstuff.py
index 1f52367f..c88d47df 100644
--- a/rowers/sporttracksstuff.py
+++ b/rowers/sporttracksstuff.py
@@ -20,6 +20,7 @@ oauth_data = {
     'expirydatename': 'sporttrackstokenexpirydate',
     'bearer_auth': False,
     'base_url': "https://api.sporttracks.mobi/oauth2/token",
+    'scope':'write',
     }
 
 # Checks if user has SportTracks token, renews them if they are expired
diff --git a/rowers/stravastuff.py b/rowers/stravastuff.py
index 30835e14..dc131868 100644
--- a/rowers/stravastuff.py
+++ b/rowers/stravastuff.py
@@ -33,6 +33,12 @@ except ImportError:
 
 from rowers.imports import *
 
+headers = {'Accept': 'application/json',
+           'Api-Key': STRAVA_CLIENT_ID,
+	   'Content-Type': 'application/json',
+           'user-agent': 'sanderroosendaal'}
+
+
 oauth_data = {
     'client_id': STRAVA_CLIENT_ID,
     'client_secret': STRAVA_CLIENT_SECRET,
@@ -45,6 +51,8 @@ oauth_data = {
     'bearer_auth': True,
     'base_url': "https://www.strava.com/oauth/token",
     'grant_type': 'refresh_token',
+    'headers': headers,
+    'scope':'activity:write,activity:read_all',
     }
 
 
diff --git a/rowers/tasks.py b/rowers/tasks.py
index c7219c3d..ef36460c 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -610,6 +610,7 @@ def handle_calctrimp(id,
     intensityfactor = normp/float(ftp)
     tss = 100.*((duration*normp*intensityfactor)/(3600.*ftp))
 
+        
     if sex == 'male':
         f = 1.92
     else:
@@ -646,6 +647,24 @@ def handle_calctrimp(id,
     if not np.isfinite(normw):
         normw = 0
     
+    try:
+        dum = int(tss)
+    except ValueError:
+        tss = 0
+
+    try:
+        dum = int(normp)
+    except ValueError:
+        normp = 0
+    try:
+        dump = int(trimp)
+    except ValueError:
+        trimp = 0
+    try:
+        dump = int(hrtss)
+    except ValueError:
+        hrtss = 0
+
     query = 'UPDATE rowers_workout SET rscore = {tss}, normp = {normp}, trimp={trimp}, hrtss={hrtss}, normv={normv}, normw={normw} WHERE id={id}'.format(
         tss = int(tss),
         normp = int(normp),
diff --git a/rowers/templates/gdpr_optin.html b/rowers/templates/gdpr_optin.html
index bc2bb898..19255535 100644
--- a/rowers/templates/gdpr_optin.html
+++ b/rowers/templates/gdpr_optin.html
@@ -5,13 +5,18 @@
 {% block title %}GDPR Opt-In{% endblock %}
 
 {% block main %}
+<p>
+  We know you are eager to start using rowsandall.com, but we must
+  ask you to read and agree with the below first.
+</p>
+
 <h2>GDPR Opt-In</h2>
 <p>
   <b>
     To comply with the European Union General Data Protection Regulation,
     we need to record your consent to use personal data on this website.
     Please take some time to review our data policies. If you agree and
-    opt in, click the green button at the bottom to be taken to the site.
+    opt in, click the "opt in" button at the bottom to be taken to the site.
     If you do not agree, please use the red button to delete your
     account. This will irreversibly delete all your data on rowsandall.com
     and remove your account.
@@ -32,7 +37,7 @@
 </p>
 
 <p>
-  <a class="button gray small" href="/rowers/me/gdpr-optin-confirm/?next={{ next }}">Opt in and continue</a>
+  <a class="button green small" href="/rowers/me/gdpr-optin-confirm/?next={{ next }}">Opt in and continue</a>
 </p>
 
 <p>
diff --git a/rowers/templates/list_workouts.html b/rowers/templates/list_workouts.html
index 5214ee8a..a46e7fdd 100644
--- a/rowers/templates/list_workouts.html
+++ b/rowers/templates/list_workouts.html
@@ -6,7 +6,7 @@
 
 {% block scripts %}
 <script>
-  setTimeout("location.reload(true);",60000);
+  setTimeout("location.reload(true);",180000);
 </script>
 <script
   type='text/javascript'
diff --git a/rowers/templates/menu_workouts.html b/rowers/templates/menu_workouts.html
index 3ee1c37c..90905a6e 100644
--- a/rowers/templates/menu_workouts.html
+++ b/rowers/templates/menu_workouts.html
@@ -57,7 +57,7 @@
       <li>
         <a href={{ request.path|userurl:member }}>
           <i class="fas fa-user fa-fw"></i>
-          {% if member == rower.user and team.id == 0 %}
+          {% if member == rower.user and not team %}
           &bull;
           {% else %}
           &nbsp; 
diff --git a/rowers/templates/rower_exportsettings.html b/rowers/templates/rower_exportsettings.html
index 980e8d73..8e4fd953 100644
--- a/rowers/templates/rower_exportsettings.html
+++ b/rowers/templates/rower_exportsettings.html
@@ -9,7 +9,7 @@
   Please correct the error{{ form.errors|pluralize }} below.
 </p>
 {% endif %}
-    
+<p>
 <form enctype="multipart/form-data" action="" method="post">
   <table>
     {{ form.as_table }}
@@ -17,6 +17,16 @@
   {% csrf_token %}
   <input class="button green" type="submit" value="Save">
 </form>
+</p>
+<p>Click on one of the icons below to connect to the service of your
+  choice or to renew the authorization</p>
+<p><a href="/rowers/me/stravaauthorize/"><img src="/static/img/ConnectWithStrava.png" alt="connect with strava" width="120"></a></p>
+<p><a href="/rowers/me/c2authorize/"><img src="/static/img/blueC2logo.png" alt="connect with Concept2" width="120"></a></p>
+<p><a href="/rowers/me/sporttracksauthorize/"><img src="/static/img/sporttracks-button.png" alt="connect with SportTracks" width="120"></a></p>
+<p><a href="/rowers/me/runkeeperauthorize/"><img src="/static/img/rk-logo.png" alt="connect with RunKeeper" width="120"></a></p>
+<p><a href="/rowers/me/underarmourauthorize/"><img src="/static/img/UAbtn.png" alt="connect with Under Armour" width="120"></a></p>
+<p><a href="/rowers/me/polarauthorize/"><img src="/static/img/Polar_connectwith_btn_white.png"
+                                                 alt="connect with Polar" width="130"></a></p>
 
 
 
diff --git a/rowers/templates/workout_form.html b/rowers/templates/workout_form.html
index add74b3d..ce0e29e6 100644
--- a/rowers/templates/workout_form.html
+++ b/rowers/templates/workout_form.html
@@ -41,6 +41,17 @@ $('#id_workouttype').change();
 
 {% block main %}
 
+<p>
+  {% if workout|previousworkout:rower.user %}
+  <a href="/rowers/workout/{{ workout|previousworkout:rower.user }}/edit"
+     title="Jump to preceding workout"><em>Previous</em></a>&nbsp;
+  {% endif %}
+  {% if workout|nextworkout:rower.user %}
+  <a href="/rowers/workout/{{ workout|nextworkout:rower.user }}/edit"
+     title="Jump to following workout"><em>Next</em></a>
+  {% endif %}
+</p>
+
 <h1>Edit Workout {{ workout.name }}</h1>
 <ul class="main-content">
   <li class="grid_4">
@@ -94,7 +105,7 @@ $('#id_workouttype').change();
         {{ form.as_table }}
       </table>
       {% csrf_token %}
-      <input class="button green" type="submit" value="Save">
+      <input type="submit" value="Save">
     </form>
   </li>
   <li class="grid_2">
diff --git a/rowers/templatetags/rowerfilters.py b/rowers/templatetags/rowerfilters.py
index 80902764..0142f292 100644
--- a/rowers/templatetags/rowerfilters.py
+++ b/rowers/templatetags/rowerfilters.py
@@ -11,7 +11,7 @@ from rowers.utils import calculate_age
 from rowers.models import (
     course_length,WorkoutComment,
     TrainingMacroCycle,TrainingMesoCycle, TrainingMicroCycle,
-    Rower
+    Rower,Workout
     )
 from rowers.plannedsessions import (
     race_can_register, race_can_submit,race_rower_status
@@ -464,4 +464,53 @@ def micromacroid(id):
 
     return str(theid)
 
+@register.filter
+def nextworkout(workout,user):
+    if user.rower == workout.user:
+        ws = Workout.objects.filter(
+            startdatetime__gte=workout.startdatetime,
+            user=workout.user
+        ).order_by(
+            "startdatetime"
+        ).exclude(id=workout.id)
+    else:
+        ws = Workout.objects.filter(
+            startdatetime__gte=workout.startdatetime,
+            user=workout.user,privacy='visible'
+        ).order_by(
+            "startdatetime"
+        ).exclude(id=workout.id)
+
+        
+    if ws:
+        return ws[0].id
+    else:
+        return 0
+
+        
+
+@register.filter
+def previousworkout(workout,user):
+    if user.rower == workout.user:
+        ws = Workout.objects.filter(
+            startdatetime__lte=workout.startdatetime,
+            user=workout.user
+        ).order_by(
+                "-startdatetime"
+        ).exclude(id=workout.id)
+    else:
+        ws = Workout.objects.filter(
+            startdatetime__lte=workout.startdatetime,
+            user=workout.user,privacy='visible'
+        ).order_by(
+            "-startdatetime"
+        ).exclude(id=workout.id)
+
+
+    if ws:
+        return ws[0].id
+    else:
+        return 0
+
+        
 
diff --git a/rowers/tpstuff.py b/rowers/tpstuff.py
index 2fd20f21..776b5722 100644
--- a/rowers/tpstuff.py
+++ b/rowers/tpstuff.py
@@ -34,6 +34,7 @@ oauth_data = {
     'expirydatename': 'tptokenexpirydate',
     'bearer_auth': False,
     'base_url': "https://oauth.trainingpeaks.com/oauth/token",
+    'scope':'write',
     }
 
 
diff --git a/rowers/underarmourstuff.py b/rowers/underarmourstuff.py
index 4ef6ba87..0fee0f23 100644
--- a/rowers/underarmourstuff.py
+++ b/rowers/underarmourstuff.py
@@ -17,6 +17,7 @@ oauth_data = {
     'expirydatename': 'underarmourtokenexpirydate',
     'bearer_auth': True,
     'base_url': "https://api.ua.com/v7.1/oauth2/access_token/",
+    'scope':'write',
     }
 
 # Checks if user has UnderArmour token, renews them if they are expired
diff --git a/rowers/urls.py b/rowers/urls.py
index bb22cbde..6dbe2ea5 100644
--- a/rowers/urls.py
+++ b/rowers/urls.py
@@ -357,7 +357,9 @@ urlpatterns = [
     url(r'^me/deactivate$',views.deactivate_user),
     url(r'^me/delete$',views.remove_user),
     url(r'^me/gdpr-optin-confirm/?$',views.user_gdpr_confirm),
+    url(r'^me/gdpr-optin-confirm/$',views.user_gdpr_confirm),
     url(r'^me/gdpr-optin/?$',views.user_gdpr_optin),
+    url(r'^me/gdpr-optin/$',views.user_gdpr_optin),
     url(r'^me/teams/$',views.rower_teams_view),
     url(r'^me/calcdps/$',views.rower_calcdps_view),
     url(r'^me/exportsettings/$',views.rower_exportsettings_view),
diff --git a/rowers/views.py b/rowers/views.py
index 086f4ff2..3b3e2e35 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -208,6 +208,7 @@ from django.core.cache import cache
 from django_mailbox.models import Message,Mailbox,MessageAttachment
 
 
+
 # Utility to get stroke data in a JSON response
 class JSONResponse(HttpResponse):
     def __init__(self, data, **kwargs):
@@ -2069,7 +2070,7 @@ def rower_strava_authorize(request):
     params = {"client_id": STRAVA_CLIENT_ID,
               "response_type": "code",
               "redirect_uri": STRAVA_REDIRECT_URI,
-	      "scope": "write"}
+	      "scope": "activity:write,activity:read_all"}
 
     url = "https://www.strava.com/oauth/authorize?"+ urllib.urlencode(params)
 
@@ -2407,6 +2408,7 @@ def rower_process_polarcallback(request):
 def rower_process_stravacallback(request):
     try:
         code = request.GET['code']
+        scope = request.GET['scope']
     except MultiValueDictKeyError:
         try:
             message = request.GET['error']
@@ -3369,6 +3371,11 @@ def addmanual_view(request):
             avghr = metricsform.cleaned_data['avghr']
             avgpwr = metricsform.cleaned_data['avgpwr']
             avgspm = metricsform.cleaned_data['avgspm']
+            try:
+                ps = form.cleaned_data['plannedsession']
+            except KeyError:
+                ps = None
+                
             try:
                 boattype  = request.POST['boattype']
             except KeyError:
@@ -3426,10 +3433,14 @@ def addmanual_view(request):
                 w.privacy = privacy
                 w.weightcategory = weightcategory
                 w.notes = notes
+                w.plannedsession = ps
                 w.name = name
                 w.workouttype = workouttype
                 w.boattype = boattype
                 w.save()
+                if ps:
+                    add_workouts_plannedsession([w],ps,w.user)
+                
                 messages.info(request,'New workout created')
         else:
             return render(request,'manualadd.html',
@@ -6079,10 +6090,7 @@ def multiflex_data(request,userid=0,
     yerror = groups.std()[yparam]
     groupsize = groups.count()[xparam]
 
-    print groupsize.sum(),groupsize.mean()
-
     mask = groupsize <= min([0.01*groupsize.sum(),0.2*groupsize.mean()])
-    print '--------------------------'
     xvalues.loc[mask] = np.nan
 
     yvalues.loc[mask] = np.nan
@@ -9956,7 +9964,7 @@ def workout_edit_view(request,id=0,message="",successmessage=""):
 
     if request.method == 'POST':
 	# Form was submitted
-	form = WorkoutForm(request.POST)
+	form = WorkoutForm(request.POST,instance=row)
 	if form.is_valid():
 	    # Get values from form
 	    name = form.cleaned_data['name']
@@ -9969,7 +9977,12 @@ def workout_edit_view(request,id=0,message="",successmessage=""):
             private = form.cleaned_data['private']
 	    notes = form.cleaned_data['notes']
             thetimezone = form.cleaned_data['timezone']
-            
+
+            try:
+                ps = form.cleaned_data['plannedsession']
+            except KeyError:
+                ps = None
+                
             try:
                 boattype  = request.POST['boattype']
             except KeyError:
@@ -10031,10 +10044,16 @@ def workout_edit_view(request,id=0,message="",successmessage=""):
             row.privacy = privacy
             row.rankingpiece = rankingpiece
             row.timezone = thetimezone
+            row.plannedsession = ps
+
             try:
                 row.save()
             except IntegrityError:
                 pass
+
+            if ps:
+                add_workouts_plannedsession([row],ps,row.user)
+            
             # change data in csv file
             
             r = rdata(row.csvfilename)