diff --git a/rowers/models.py b/rowers/models.py
index 25a2ac34..53db424f 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -2206,7 +2206,7 @@ class CourseStandard(models.Model):
     name = models.CharField(max_length=150)
     coursedistance = models.IntegerField()
     coursetime = models.CharField(max_length=100,default="")
-    coursestandard = models.FloatField() # average boat speed
+    referencespeed = models.FloatField() # average boat speed
     agemin = models.IntegerField(default=0)
     agemax = models.IntegerField(default=120)
     boatclass = models.CharField(max_length=150) # corresponds to workout workouttype
@@ -2966,7 +2966,7 @@ class VirtualRaceResult(models.Model):
     startsecond = models.FloatField(default=0)
     endsecond = models.FloatField(default=0)
     entrycategory = models.ForeignKey(CourseStandard,null=True,on_delete=models.SET_NULL,
-                                      verbose_name='Field')
+                                      verbose_name='Group')
 
     def __str__(self):
         rr = Rower.objects.get(id=self.userid)
@@ -3012,6 +3012,7 @@ class IndoorVirtualRaceResult(models.Model):
     race = models.ForeignKey(VirtualRace,on_delete=models.CASCADE)
     duration = models.TimeField(default=datetime.time(1,0))
     distance = models.IntegerField(default=0)
+    referencespeed = models.FloatField(default=5.0)
     points = models.IntegerField(default=0)
     boatclass = models.CharField(choices=boatclasses,
                                    max_length=40,
@@ -3027,7 +3028,7 @@ class IndoorVirtualRaceResult(models.Model):
     emailnotifications = models.BooleanField(default=True,
                                              verbose_name = 'Receive challenge notifications by email')
     entrycategory = models.ForeignKey(CourseStandard,null=True,on_delete=models.SET_NULL,
-                                      verbose_name='Category')
+                                      verbose_name='Group')
 
     def __str__(self):
         rr = Rower.objects.get(id=self.userid)
diff --git a/rowers/scoring.py b/rowers/scoring.py
index 1156bc25..89de6745 100644
--- a/rowers/scoring.py
+++ b/rowers/scoring.py
@@ -41,7 +41,7 @@ def save_scoring(name,user,filename,id=0,notes=""):
             delta = datetime.timedelta(hours=t.hour, minutes=t.minute, seconds=t.second,microseconds=t.microsecond)
             seconds = delta.total_seconds()
 
-            coursestandard = coursedistance/seconds
+            referencespeed = coursedistance/seconds
         except KeyError:
             continue
 
@@ -88,7 +88,7 @@ def save_scoring(name,user,filename,id=0,notes=""):
         standard = CourseStandard(
             name=name,
             coursedistance=coursedistance,
-            coursestandard=coursestandard,
+            referencespeed=referencespeed,
             coursetime=coursetime,
             agemin=agemin,
             agemax=agemax,
diff --git a/rowers/views/racesviews.py b/rowers/views/racesviews.py
index db9aa416..5124e421 100644
--- a/rowers/views/racesviews.py
+++ b/rowers/views/racesviews.py
@@ -1631,6 +1631,40 @@ def virtualevent_register_view(request,id=0):
             if sex == 'not specified':
                 sex = 'male'
 
+
+            coursestandard = None
+            referencespeed = 5.0
+
+            if race.coursestandards is not None:
+                coursestandard = cd['entrycategory']
+                referencespeed = coursestandard.referencespeed
+                boattype = coursestandard.boattype
+                boatclass = coursestandard.boatclass
+                weightcategory = coursestandard.weightcategory
+                adaptiveclass = coursestandard.adaptiveclass
+                skillclass = coursestandard.skillclass
+
+                returnurl = reverse(virtualevent_register_view,
+                                    kwargs={'id':race.id})
+
+                if age < coursestandard.agemin:
+                    messages.error(request,'You are younger than the minimum age for this group')
+                    return HttpResponseRedirect(url)
+
+                if age > coursestandard.agemax:
+                    messages.error(request,'You are older than the maximum age for this group')
+                    return HttpResponseRedirect(url)
+
+                if sex == 'male' and coursestandard.sex != 'male':
+                    messages.error(request,'Men are not allowed to enter this category')
+                    return HttpResponseRedirect(url)
+
+                if sex == 'mixed' and coursestandard.sex not in ['mixed','male']:
+                    messages.error(request,'Mixed crews are not allowed to enter this category')
+                    return HttpResponseRedirect(url)
+
+
+
             record = VirtualRaceResult(
                 userid=r.id,
                 teamname=teamname,
@@ -1646,7 +1680,8 @@ def virtualevent_register_view(request,id=0):
                 boattype=boattype,
                 coursecompleted=False,
                 sex=sex,
-                age=age
+                age=age,
+                entrycategory=coursestandard,
                 )
 
             record.save()