diff --git a/src/apps/competitions/views.py b/src/apps/competitions/views.py
index 8d3e46720..581392fa1 100644
--- a/src/apps/competitions/views.py
+++ b/src/apps/competitions/views.py
@@ -27,13 +27,25 @@ class CompetitionDetail(DetailView):
 
     def get_object(self, *args, **kwargs):
         competition = super().get_object(*args, **kwargs)
-        is_creator = self.request.user.is_superuser or self.request.user == competition.created_by
-        is_collaborator = self.request.user in competition.collaborators.all()
 
-        # get participants from CompetitionParticipant where user=user and competition=competition
-        is_participant = CompetitionParticipant.objects.filter(user=self.request.user, competition=competition).count() > 0
+        is_creator, is_collaborator, is_participant = False, False, False
 
+        # check if user is loggedin
+        if self.request.user.is_authenticated:
+
+            # check if user is the creator of this competition
+            is_creator = self.request.user.is_superuser or self.request.user == competition.created_by
+
+            # check if user is collaborator of this competition
+            is_collaborator = self.request.user in competition.collaborators.all()
+
+            # check if user is a participant of this competition
+            # get participants from CompetitionParticipant where user=user and competition=competition
+            is_participant = CompetitionParticipant.objects.filter(user=self.request.user, competition=competition).count() > 0
+
+        # check if secret key provided is valid
         valid_secret_key = self.request.GET.get('secret_key') == str(competition.secret_key)
+
         if is_creator or is_collaborator or competition.published or valid_secret_key or is_participant:
             return competition
         raise Http404()