diff --git a/rowers/management/commands/processemail.py b/rowers/management/commands/processemail.py
index b091a19e..5371e3d1 100644
--- a/rowers/management/commands/processemail.py
+++ b/rowers/management/commands/processemail.py
@@ -9,6 +9,7 @@ import zipfile
 from zipfile import BadZipFile
 import re
 import time
+import traceback
 from time import strftime
 
 import requests
@@ -192,26 +193,48 @@ class Command(BaseCommand):
             failedmailbox = Mailbox.objects.get(name='Failed')
 
         # Polar
-        polar_available = polarstuff.get_polar_notifications()
-        res = polarstuff.get_all_new_workouts(polar_available)
+        try:
+            polar_available = polarstuff.get_polar_notifications()
+            res = polarstuff.get_all_new_workouts(polar_available)
+        except:
+            exc_type, exc_value, exc_traceback = sys.exc_info()
+            lines = traceback.format_exception(exc_type, exc_value, exc_traceback)
+            dologging('processemail.log',''.join('!! ' + line for line in lines))
 
         # Concept2
-        rowers = Rower.objects.filter(c2_auto_import=True)
-        for r in rowers: # pragma: no cover
-            if user_is_not_basic(r.user):
-                c2stuff.get_c2_workouts(r)
+        try:
+            rowers = Rower.objects.filter(c2_auto_import=True)
+            for r in rowers: # pragma: no cover
+                if user_is_not_basic(r.user):
+                    c2stuff.get_c2_workouts(r)
+        except:
+            exc_type, exc_value, exc_traceback = sys.exc_info()
+            lines = traceback.format_exception(exc_type, exc_value, exc_traceback)
+            dologging('processemail.log',''.join('!! ' + line for line in lines))
 
-        rowers = Rower.objects.filter(rp3_auto_import=True)
-        for r in rowers: # pragma: no cover
-            if user_is_not_basic(r.user):
-                res = rp3stuff.get_rp3_workouts(r)
 
-        rowers = Rower.objects.filter(nk_auto_import=True)
-        for r in rowers: # pragma: no cover
-            if user_is_not_basic(r.user):
-                s = 'Starting NK Auto Import for user {id}'.format(id=r.user.id)
-                dologging('nklog.log',s)
-                res = nkstuff.get_nk_workouts(r)
+        try:
+            rowers = Rower.objects.filter(rp3_auto_import=True)
+            for r in rowers: # pragma: no cover
+                if user_is_not_basic(r.user):
+                    res = rp3stuff.get_rp3_workouts(r)
+        except:
+            exc_type, exc_value, exc_traceback = sys.exc_info()
+            lines = traceback.format_exception(exc_type, exc_value, exc_traceback)
+            dologging('processemail.log',''.join('!! ' + line for line in lines))
+
+        try:
+            rowers = Rower.objects.filter(nk_auto_import=True)
+            for r in rowers: # pragma: no cover
+                if user_is_not_basic(r.user):
+                    s = 'Starting NK Auto Import for user {id}'.format(id=r.user.id)
+                    dologging('nklog.log',s)
+                    res = nkstuff.get_nk_workouts(r)
+        except:
+            exc_type, exc_value, exc_traceback = sys.exc_info()
+            lines = traceback.format_exception(exc_type, exc_value, exc_traceback)
+            dologging('processemail.log',''.join('!! ' + line for line in lines))
+
 
         messages = Message.objects.filter(mailbox_id = workoutmailbox.id)
         message_ids = [m.id for m in messages]
diff --git a/rowers/models.py b/rowers/models.py
index cef1bece..e338b52e 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -904,6 +904,9 @@ class Rower(models.Model):
     getimportantemails = models.BooleanField(default=True,
                                              verbose_name='Get Important Emails')
 
+    share_course_results = models.BooleanField(default=True,
+                                               verbose_name = 'Share Course Results')
+
 
     sex = models.CharField(default="not specified",
                            max_length=30,
@@ -4259,6 +4262,7 @@ class AccountRowerForm(ModelForm):
                   'adaptiveclass',
                   'getemailnotifications',
                   'getimportantemails',
+                  'share_course_results',
                   'defaulttimezone','showfavoritechartnotes',
                   'fav_analysis',
                   'usersmooth',
diff --git a/rowers/rp3stuff.py b/rowers/rp3stuff.py
index 57cb8387..492220ce 100644
--- a/rowers/rp3stuff.py
+++ b/rowers/rp3stuff.py
@@ -137,7 +137,8 @@ def get_rp3_workouts(rower,do_async=True): # pragma: no cover
     if (res.status_code != 200):
         return 0
 
-    dologging('rp3_import.log',res.json())
+    s = '{d}'.format(d=res.json())
+    dologging('rp3_import.log',s)
     workouts_list = pd.json_normalize(res.json()['data']['workouts'])
     try:
         rp3ids = workouts_list['id'].values
diff --git a/rowers/tasks.py b/rowers/tasks.py
index e48830c6..dd10c722 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -515,7 +515,6 @@ def handle_check_race_course(self,
 
     logfile = 'courselog_{workoutid}_{courseid}.log'.format(workoutid=workoutid,courseid=courseid)
 
-
     if 'debug' in kwargs: # pragma: no cover
         debug = kwargs['debug']
     else:
@@ -544,6 +543,10 @@ def handle_check_race_course(self,
     if 'summary' in kwargs:
         summary = kwargs['summary']
 
+    successemail = False
+    if 'successemail' in kwargs:
+        successemail = kwargs['successemail']
+
     columns = ['time',' latitude',' longitude','cum_dist']
 
     try:
@@ -742,7 +745,6 @@ def handle_check_race_course(self,
             result = conn.execute(query)
 
         if summary:
-
             try:
                 row = rdata(csvfile=f1)
             except IOError:  # pragma: no cover
@@ -771,6 +773,11 @@ def handle_check_race_course(self,
         conn.close()
         engine.dispose()
 
+        if successemail:
+            handle_sendemail_coursesucceed(
+                useremail, userfirstname, logfile, workoutid
+            )
+
         os.remove(logfile)
 
         return 1
@@ -825,6 +832,8 @@ def handle_check_race_course(self,
 
         return 2
 
+
+
     return 0 # pragma: no cover
 
 
@@ -1463,6 +1472,32 @@ def handle_sendemail_raceregistration(
 
     return 1
 
+def handle_sendemail_coursesucceed(
+    useremail, username, logfile, workoutid, **kwargs
+):
+    if 'debug' in kwargs: # pragma: no cover
+        debug = kwargs['debug']
+    else:
+        debug = True
+
+    subject = "The validation of your course has succeeded"
+
+    from_email = 'Rowsandall <info@rowsandall.com>'
+
+    d = {
+        'username':username,
+        'workoutid':encoder.encode_hex(workoutid),
+    }
+
+    res = send_template_email(from_email,[useremail],
+                              subject,
+                              'trajectorysuccessemail.html',
+                              d,
+                              attach_file=logfile,
+                              **kwargs)
+
+    return 1
+
 def handle_sendemail_coursefail(
         useremail, username, logfile, **kwargs):
 
diff --git a/rowers/templates/course_view.html b/rowers/templates/course_view.html
index 7105c21a..b3e5252a 100644
--- a/rowers/templates/course_view.html
+++ b/rowers/templates/course_view.html
@@ -95,6 +95,13 @@
     <p>
       <h2>Filter Results</h2>
     </p>
+    <p>
+      {% if onlyme %}
+      <a href="/rowers/courses/{{ course.id }}/">All Results</a>
+      {% else %}
+      <a href="/rowers/courses/{{ course.id}}/?onlyme=true">Only My Results</a>
+      {% endif %}
+    </p>
     <p>
 
     <form id="result_filter_form", method="post">
diff --git a/rowers/templates/menu_workout.html b/rowers/templates/menu_workout.html
index 1a10cc85..b46f79c2 100644
--- a/rowers/templates/menu_workout.html
+++ b/rowers/templates/menu_workout.html
@@ -26,6 +26,18 @@
           <i class="fas fa-pause fa-fw"></i>&nbsp;Intervals
         </a>
       </li>
+      {% if workout|water %}
+      <li id="workout-courses">
+        <a href="/rowers/workout/{{ workout.id|encode }}/courses/">
+          <i class="fas fa-route fa-fw"></i>&nbsp;Measured Courses
+        </a>
+      </li>
+      {% endif %}
+      <li>
+        <a href="/rowers/workout/{{ workout.id|encode }}/editintervals/">
+          <i class="fas fa-pause fa-fw"></i>&nbsp;Intervals
+        </a>
+      </li>
       {% endif %}
       {% if user.is_authenticated %}
       <li id="workout-comments">
diff --git a/rowers/templates/summary_edit.html b/rowers/templates/summary_edit.html
index 5b9a473a..5fe8d68d 100644
--- a/rowers/templates/summary_edit.html
+++ b/rowers/templates/summary_edit.html
@@ -190,6 +190,15 @@
 			The summary will be updated to show time on course, and you can compare this with other
 			attempts.
 		</p>
+		<p>
+			{% if rower.share_course_results %}
+			You are currently sharing your course results with all Rowsandall users.
+			Click <a href="/rowers/me/edit/?courseshare=false">here</a> to hide your course results.
+			{% else %}
+			You are currently hiding your course results (except for your participation in online challenges).
+			Click <a href="/rowers/me/edit/?courseshare=true">here</a> to hide your course results.
+			{% endif %}
+		</p>
 		<form ecntype="multipart/form-data" method="post">
 		<table>
 			{{ courseselectform.as_table }}
diff --git a/rowers/templates/trajectorysuccessemail.html b/rowers/templates/trajectorysuccessemail.html
new file mode 100644
index 00000000..f6384bab
--- /dev/null
+++ b/rowers/templates/trajectorysuccessemail.html
@@ -0,0 +1,18 @@
+{% extends "emailbase.html" %}
+{% block body %}
+<p>Dear <strong>{{ username }}</strong>,</p>
+
+<p>
+  We have successfully validated the course for your
+  <a href="https://rowsandall.com/rowers/workout/{{ workoutid }}/">workout</a>.
+</p>
+
+
+<p>
+  The attachment contains the validation log.
+  </p>
+
+<p>
+  Best Regards, the Rowsandall Team
+</p>
+{% endblock %}
diff --git a/rowers/templates/workout_courses.html b/rowers/templates/workout_courses.html
new file mode 100644
index 00000000..3417d21a
--- /dev/null
+++ b/rowers/templates/workout_courses.html
@@ -0,0 +1,106 @@
+{% extends "newbase.html" %}
+{% load static %}
+{% load rowerfilters %}
+{% load leaflet_tags %}
+
+{% block meta %}
+{% leaflet_js %}
+{% leaflet_css %}
+{% endblock %}
+
+{% block scripts %}
+
+{% endblock %}
+
+{% block title %}{{ workout.name }} {% endblock %}
+{% block og_title %}{{ workout.name }} {% endblock %}
+{% block description %}{{ workout.name }}
+{{ workout.date }} - {{ workout.distance }}m - {{ workout.duration |durationprint:"%H:%M:%S.%f" }}{% endblock %}
+{% block og_description %}{{ workout.name }}
+{{ workout.date }} - {{ workout.distance }}m - {{ workout.duration |durationprint:"%H:%M:%S.%f" }}{% endblock %}
+
+
+
+{% block main %}
+
+<h1>{{ workout.name }}</h1>
+<ul class="main-content">
+    {% if records %}
+		<li class="grid_4">
+			<h2>Course Results</h2>
+			<table class="listtable shortpadded">
+				<thead>
+					<tr>
+						<th>Course</th>
+						<th>Time</th>
+						<th>Distance</th>
+					</tr>
+				</thead>
+				<tbody>
+					{% for record in records %}
+					<tr>
+						<td><a href="/rowers/courses/{{ record.course.id }}">{{ record.course.name }}</a></td>
+						<td>{{ record.duration |durationprint:"%H:%M:%S.%f" }}</td>
+						<td>{{ record.distance }} m</td>
+					{% endfor %}
+				</tbody>
+			</table>
+		</li>
+    {% endif %}
+		{% if courses %}
+		<li class="grid_4">
+			<h2>Add a course</h2>
+			<p>
+				This functionality allows you to record a time on a set course that you've rowed during the workout.
+				The summary will be updated to show time on course, and you can compare this with other
+				attempts.
+			</p>
+			<p>
+				{% if rower.share_course_results %}
+				You are currently sharing your course results with all Rowsandall users.
+				Click <a href="/rowers/me/edit/?courseshare=false">here</a> to hide your course results.
+				{% else %}
+				You are currently hiding your course results (except for your participation in online challenges).
+				Click <a href="/rowers/me/edit/?courseshare=true">here</a> to hide your course results.
+				{% endif %}
+			</p>
+			<form ecntype="multipart/form-data" method="post">
+			<table>
+				{{ courseselectform.as_table }}
+			</table>
+			{% csrf_token %}
+			<input class="button" type="submit" value="Select Course">
+			</form>
+		</li>
+		{% endif %}
+		<li class="grid_2">
+			<h2>Workout Summary</h2>
+    <table width=100%>
+      <tr>
+	<th>Rower:</th><td>{{ first_name }} {{ last_name }}</td>
+      </tr><tr>
+      <tr>
+	<th>Name:</th><td>{{ workout.name }}</td>
+      </tr><tr>
+      <tr>
+	<th>Date:</th><td>{{ workout.date }}</td>
+      </tr><tr>
+	<th>Time:</th><td>{{ workout.starttime }}</td>
+      </tr><tr>
+	<th>Distance:</th><td>{{ workout.distance }}m</td>
+      </tr><tr>
+	<th>Duration:</th><td>{{ workout.duration |durationprint:"%H:%M:%S.%f" }}</td>
+      </tr><tr>
+	<th>Type:</th><td>{{ workout.workouttype }}</td>
+      </tr><tr>
+	<th>Weight Category:</th><td>{{ workout.weightcategory }}</td>
+      </tr>
+    </table>
+  </li>
+</ul>
+
+{% endblock %}
+
+{% block sidebar %}
+{% include 'menu_workout.html' %}
+{% endblock %}
diff --git a/rowers/urls.py b/rowers/urls.py
index 2a30043a..7e07eeb3 100644
--- a/rowers/urls.py
+++ b/rowers/urls.py
@@ -650,6 +650,8 @@ urlpatterns = [
     re_path(r'^register/thankyou/$', TemplateView.as_view(template_name='registerthankyou.html'), name='registerthankyou'),
     re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/workflow/$',views.workout_workflow_view,
         name='workout_workflow_view'),
+    re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/courses/$',views.workout_course_view,
+        name='workout_course_view'),
     re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/flexchart/(?P<xparam>[\w\ ]+.*)/(?P<yparam1>[\w\ ]+.*)/(?P<yparam2>[\w\ ]+.*)/(?P<plottype>\w+)/$',views.workout_flexchart3_view,name='workout_flexchart3_view'),
     re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/flexchart/(?P<xparam>\w+.*)/(?P<yparam1>[\w\ ]+.*)/(?P<yparam2>[\w\ ]+.*)/(?P<plottype>\w+.*)/$',views.workout_flexchart3_view,name='workout_flexchart3_view'),
     re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/flexchart/(?P<xparam>\w+.*)/(?P<yparam1>[\w\ ]+.*)/(?P<yparam2>[\w\ ]+.*)/$',views.workout_flexchart3_view,name='workout_flexchart3_view'),
diff --git a/rowers/views/racesviews.py b/rowers/views/racesviews.py
index c5222860..7ff47875 100644
--- a/rowers/views/racesviews.py
+++ b/rowers/views/racesviews.py
@@ -232,6 +232,22 @@ def course_view(request,id=0):
         workoutid__isnull=False,
         coursecompleted=True).order_by("duration","-distance")
 
+    notsharing = Rower.objects.filter(share_course_results=False).exclude(id=r.id)
+    notsharing_ids = [o.user.id for o in notsharing]
+
+    records = records.exclude(userid__in=notsharing_ids)
+
+    if 'onlyme' in request.GET:
+        onlyme = request.GET.get('onlyme',False)
+        if onlyme == 'true':
+            onlyme = True
+
+        if onlyme:
+            records = records.filter(userid=r.user.id)
+    else:
+        onlyme=False
+
+
     form = RaceResultFilterForm(records=records,groups=False)
     if request.method == 'POST':
         form = RaceResultFilterForm(request.POST,records=records,groups=False)
@@ -305,6 +321,7 @@ def course_view(request,id=0):
                       'records':records,
                       'rower':r,
                       'form':form,
+                      'onlyme':onlyme,
                       }
                   )
 
diff --git a/rowers/views/statements.py b/rowers/views/statements.py
index 367e5b6f..d386d6a9 100644
--- a/rowers/views/statements.py
+++ b/rowers/views/statements.py
@@ -765,6 +765,7 @@ verbose_job_status = {
     'long_test_task2': 'Long Test Task 2',
     'update_empower': 'Correct Empower Inflated Power Bug',
     'submit_race': 'Checking Race Course Result',
+    'check_race_course': 'Checking Course Result',
     }
 
 def get_job_status(jobid): # pragma: no cover
diff --git a/rowers/views/userviews.py b/rowers/views/userviews.py
index ad995206..8cf39c7c 100644
--- a/rowers/views/userviews.py
+++ b/rowers/views/userviews.py
@@ -396,6 +396,15 @@ def rower_exportsettings_view(request,userid=0):
 def rower_edit_view(request,rowerid=0,userid=0,message=""):
     r = getrequestrowercoachee(request,rowerid=rowerid,userid=userid,notpermanent=True)
 
+    if 'courseshare' in request.GET:
+        courseshare = request.GET.get('courseshare',"ok")
+        if courseshare == 'true':
+            r.share_course_results = True
+            r.save()
+        elif courseshare == 'false':
+            r.share_course_results = False
+            r.save()
+
     rowerid = r.id
 
     breadcrumbs = [
@@ -435,6 +444,7 @@ def rower_edit_view(request,rowerid=0,userid=0,message=""):
             showfavoritechartnotes = cd['showfavoritechartnotes']
             getemailnotifications = cd['getemailnotifications']
             getimportantemails = cd['getimportantemails']
+            share_course_results = cd['share_course_results']
             defaulttimezone=cd['defaulttimezone']
             fav_analysis = cd['fav_analysis']
             usersmooth = cd['usersmooth']
@@ -461,6 +471,7 @@ def rower_edit_view(request,rowerid=0,userid=0,message=""):
             r.offercoaching = offercoaching
             r.defaultlandingpage = defaultlandingpage
             r.showfavoritechartnotes = showfavoritechartnotes
+            r.share_course_results = share_course_results
             r.sex = sex
             r.birthdate = birthdate
             r.autojoin = autojoin
diff --git a/rowers/views/workoutviews.py b/rowers/views/workoutviews.py
index a01fecb4..f88f8938 100644
--- a/rowers/views/workoutviews.py
+++ b/rowers/views/workoutviews.py
@@ -6058,6 +6058,104 @@ def workout_fusion_view(request,id1=0,id2=1):
                    'workout2':w2,
                   })
 
+# See attached courses
+@login_required()
+@permission_required('workout.change_workout',fn=get_workout_by_opaqueid, raise_exception=True)
+def workout_course_view(request, id):
+    row =  get_workout_by_opaqueid(request,id)
+    r = getrower(request.user)
+    breadcrumbs = [
+        {
+            'url':'/rowers/list-workouts/',
+            'name':'Workouts'
+        },
+        {
+            'url':get_workout_default_page(request,encoder.encode_hex(row.id)),
+            'name': row.name
+        },
+        {
+            'url':reverse('workout_course_view',kwargs={'id':id}),
+            'name': 'Measured Courses'
+        }
+
+    ]
+
+    courses = []
+    courseselectform = CourseSelectForm()
+    has_latlon,lat_mean,lon_mean = dataprep.workout_has_latlon(row.id)
+    if has_latlon:
+        courses = getnearestcourses([lat_mean,lon_mean],GeoCourse.objects.all(),whatisnear=25,
+                                    strict=True)
+        courseselectform = CourseSelectForm(choices=courses)
+
+
+
+    if request.method == 'POST':
+        courseselectform = CourseSelectForm(request.POST,choices=courses)
+        if courseselectform.is_valid():
+            course = courseselectform.cleaned_data['course']
+            # get or create a record
+            records = VirtualRaceResult.objects.filter(
+                userid=r.id,
+                course=course,
+                workoutid=row.id
+                )
+            if records:
+                record = records[0]
+            else:
+                # create record
+                record = VirtualRaceResult(
+                    userid = r.id,
+                    username = r.user.first_name+' '+r.user.last_name,
+                    workoutid = row.id,
+                    weightcategory = r.weightcategory,
+                    adaptiveclass = r.adaptiveclass,
+                    course = course,
+                    distance = course.distance,
+                    boatclass = row.workouttype,
+                    boattype = row.boattype,
+                    sex = r.sex,
+                    age = calculate_age(r.birthdate),
+                )
+                record.save()
+
+            job = myqueue(
+                queuehigh,
+                handle_check_race_course,
+                row.csvfilename,
+                row.id,
+                course.id,
+                record.id,
+                r.user.email,
+                r.user.first_name,
+                summary=True,
+                successemail=True,
+                )
+
+            try:
+                request.session['async_tasks'] += [(job.id,'check_race_course')]
+            except KeyError:
+                request.session['async_tasks'] = [(job.id,'check_race_course')]
+
+            messages.info(request,'We are checking your time on the course in the background. You will receive an email when the check is complete. You can check the status <a href="/rowers/jobs-status/" target="_blank">here</a>')
+
+    # get results
+    records = VirtualRaceResult.objects.filter(
+        course__isnull=False,
+        workoutid=row.id,
+        coursecompleted=True).order_by("duration","-distance")
+
+    return render(request, 'workout_courses.html',
+                  {'workout':row,
+                   'rower':r,
+                   'breadcrumbs':breadcrumbs,
+                   'active':'nav-workouts',
+                   'teams':get_my_teams(request.user),
+                   'courses':courses,
+                   'courseselectform':courseselectform,
+                   'records':records,
+                   })
+
 
 # Edit the splits/summary
 @login_required()
@@ -6218,7 +6316,7 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
                 record.save()
 
             job = myqueue(
-                queue,
+                queuehigh,
                 handle_check_race_course,
                 row.csvfilename,
                 row.id,
@@ -6227,8 +6325,15 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
                 r.user.email,
                 r.user.first_name,
                 summary=True,
+                successemail=True,
                 )
-            messages.info(request,'We are checking your time on the course in the background')
+
+            try:
+                request.session['async_tasks'] += [(job.id,'check_race_course')]
+            except KeyError:
+                request.session['async_tasks'] = [(job.id,'check_race_course')]
+
+            messages.info(request,'We are checking your time on the course in the background. You will receive an email when the check is complete. You can check the status <a href="/rowers/jobs-status/" target="_blank">here</a>')
 
     vals = None
     # feeling lucky / ruptures