diff --git a/rowers/integrations/intervals.py b/rowers/integrations/intervals.py
index e1cea0fd..2669907f 100644
--- a/rowers/integrations/intervals.py
+++ b/rowers/integrations/intervals.py
@@ -100,10 +100,98 @@ class IntervalsIntegration(SyncIntegration):
         return token
 
     def createworkoutdata(self, w, *args, **kwargs) -> str:
-        return NotImplemented
+        dozip = kwargs.get('dozip', True)
+        filename = w.csvfilename
+        try:
+            row = rowingdata(csvfile=filename)
+        except IOError: # pragma: no cover
+            data = dataprep.read_df_sql(w.id)
+            try:
+                datalength = len(data)
+            except AttributeError:
+                datalength = 0
+                
+            if datalength == 0:
+                data.rename(columns=columndict, inplace=True)
+                _ = data.to_csv(w.csvfilename+'.gz', index_label='index', compression='gzip')
 
+                try:
+                    row = rowingdata(csvfile=filename)
+                except IOError: # pragma: no cover
+                    return '' # pragma: no cover
+            else:
+                return ''
+
+        tcxfilename = w.csvfilename[:-4] + '.tcx'
+        try:
+            newnotes = w.notes + '\n from'+w.workoutsource+' via rowsandall.com'
+        except TypeError:
+            newnotes = 'from'+w.workoutsource+' via rowsandall.com'
+
+        row.exporttotcx(tcxfilename, notes=newnotes)
+        if dozip:
+            gzfilename = tcxfilename + '.gz'
+            try:
+                with open(tcxfilename, 'rb') as inF:
+                    s = inF.read()
+                    with gzip.GzipFile(gzfilename, 'wb') as outF:
+                        outF.write(s)
+                try:
+                    os.remove(tcxfilename)
+                except WindowsError:  # pragma: no cover
+                    pass
+            except FileNotFoundError:
+                return ''
+
+            return gzfilename
+
+        return tcxfilename
+
+        
     def workout_export(self, workout, *args, **kwargs) -> str:
-        return NotImplemented
+        token = self.open()
+
+        filename = self.createworkoutdata(workout)
+        if not filename:
+            return 0
+
+        params = {
+            'name': workout.name,
+            'description': workout.notes,
+            }
+
+
+        authorizationstring = str('Bearer ' + token)
+        # headers with authorization string and content type multipart/form-data
+        headers = {
+            'Authorization': authorizationstring,
+            }
+
+        url  = "https://intervals.icu/api/v1/athlete/{athleteid}/activities".format(athleteid=0)
+
+        with open(filename, 'rb') as f:
+            files = {'file': f}
+            response = requests.post(url, params=params, headers=headers, files=files)
+
+        if response.status_code not in [200, 201]:
+            dologging('intervals.icu.log', response.reason)
+            return 0
+
+        id = response.json()['id']
+        # set workout type to workouttype
+        url = "https://intervals.icu/api/v1/activity/{activityid}".format(activityid=id)
+
+        thetype = mytypes.intervalsmapping[workout.workouttype]
+        response = requests.put(url, headers=headers, json={'type': thetype})
+        if response.status_code not in [200, 201]:
+            return 0
+
+        workout.uploadedtointervals = id
+        workout.save()
+
+        os.remove(filename)
+        
+        return id
 
     def get_workout_list(self, *args, **kwargs) -> int:
         url = self.oauth_data['base_url'] + 'athlete/0/activities?'
diff --git a/rowers/templates/menu_workout.html b/rowers/templates/menu_workout.html
index f61797f6..ea138baf 100644
--- a/rowers/templates/menu_workout.html
+++ b/rowers/templates/menu_workout.html
@@ -231,6 +231,20 @@
         </a>
         {% endif %}
       </li>
+      <li id="export-intervals">
+	{% if workout.uploadedtointervals and workout.uploadedtointervals != '0' %}
+	<a href="https://intervals.icu/activities/{{ workout.uploadedtointervals }}">
+	  Intervals.icu <i class="fas fa-check"></i>
+	</a>
+	{% elif user.rower.intervals_token == None or user.rower.intervals_token == '' %}
+	<a href="/rowers/me/intervalsauthorize">
+	  Connect to Intervals.icu
+	</a>
+	{% else %}
+	<a href="/rowers/workout/{{ workout.id|encode }}/intervalsuploadw/">
+	  Intervals.icu
+	</a>
+	{% endif %}
       <li id="export-csv">
         <a href="/rowers/workout/{{ workout.id|encode }}/emailcsv/">
           CSV