diff --git a/apps/participation/forms.py b/apps/participation/forms.py
index ad98eed..7b0ddfd 100644
--- a/apps/participation/forms.py
+++ b/apps/participation/forms.py
@@ -9,7 +9,7 @@ from django.core.exceptions import ValidationError
 from django.utils import formats
 from django.utils.translation import gettext_lazy as _
 
-from .models import Participation, Passage, Pool, Team, Tournament, Solution
+from .models import Participation, Passage, Pool, Team, Tournament, Solution, Synthesis
 
 
 class TeamForm(forms.ModelForm):
@@ -162,3 +162,14 @@ class PassageForm(forms.ModelForm):
     class Meta:
         model = Passage
         fields = ('solution_number', 'place', 'defender', 'opponent', 'reporter',)
+
+
+class SynthesisForm(forms.ModelForm):
+    def save(self, commit=True):
+        """
+        Don't save a synthesis with this way. Use a view instead
+        """
+
+    class Meta:
+        model = Synthesis
+        fields = ('type', 'file',)
diff --git a/apps/participation/migrations/0007_auto_20210112_1801.py b/apps/participation/migrations/0007_auto_20210112_1801.py
index f7615dc..e2a46ed 100644
--- a/apps/participation/migrations/0007_auto_20210112_1801.py
+++ b/apps/participation/migrations/0007_auto_20210112_1801.py
@@ -24,6 +24,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='synthesis',
             name='file',
-            field=models.FileField(blank=True, default='', unique=True, upload_to=participation.models.get_random_synthesis_filename, verbose_name='file'),
+            field=models.FileField(blank=True, default='', unique=True, upload_to=participation.models.get_synthesis_filename, verbose_name='file'),
         ),
     ]
diff --git a/apps/participation/models.py b/apps/participation/models.py
index d85adf0..8635651 100644
--- a/apps/participation/models.py
+++ b/apps/participation/models.py
@@ -404,8 +404,8 @@ def get_solution_filename(instance, filename):
            + ("final" if instance.final_solution else "")
 
 
-def get_random_synthesis_filename(instance, filename):
-    return "syntheses/" + get_random_string(64)
+def get_synthesis_filename(instance, filename):
+    return f"syntheses/{instance.participation.team.trigram}_{instance.type}_{instance.passage.pk}"
 
 
 class Solution(models.Model):
@@ -469,12 +469,15 @@ class Synthesis(models.Model):
 
     file = models.FileField(
         verbose_name=_("file"),
-        upload_to=get_random_synthesis_filename,
+        upload_to=get_synthesis_filename,
         unique=True,
         blank=True,
         default="",
     )
 
+    def __str__(self):
+        return _("Synthesis for the {type} of the {passage}").format(type=self.get_type_display(), passage=self.passage)
+
     class Meta:
         verbose_name = _("synthesis")
         verbose_name_plural = _("syntheses")
diff --git a/apps/participation/templates/participation/passage_detail.html b/apps/participation/templates/participation/passage_detail.html
index 38a5203..3f376cb 100644
--- a/apps/participation/templates/participation/passage_detail.html
+++ b/apps/participation/templates/participation/passage_detail.html
@@ -27,29 +27,57 @@
 
                 <dt class="col-sm-3">{% trans "Place:" %}</dt>
                 <dd class="col-sm-9">{{ passage.place }}</dd>
+
+                <dt class="col-sm-3">{% trans "Syntheses:" %}</dt>
+                <dd class="col-sm-9">
+                    {% for synthesis in passage.syntheses.all %}
+                        <a href="{{ synthesis.file.url }}" data-turbolinks="false">{{ synthesis }}{% if not forloop.last %}, {% endif %}</a>
+                    {% empty %}
+                        {% trans "No synthesis was uploaded yet." %}
+                    {% endfor %}
+                </dd>
             </dl>
         </div>
         {% if user.registration.is_admin %}
             <div class="card-footer text-center">
                 <button class="btn btn-primary" data-toggle="modal" data-target="#updatePassageModal">{% trans "Update" %}</button>
             </div>
+        {% elif user.registration.participates %}
+            <div class="card-footer text-center">
+                <button class="btn btn-primary" data-toggle="modal" data-target="#uploadSynthesisModal">{% trans "Upload synthesis" %}</button>
+            </div>
         {% endif %}
     </div>
 
-    {% trans "Update passage" as modal_title %}
-    {% trans "Update" as modal_button %}
-    {% url "participation:passage_update" pk=passage.pk as modal_action %}
-    {% include "base_modal.html" with modal_id="updatePassage" %}
+    {% if user.registration.is_admin %}
+        {% trans "Update passage" as modal_title %}
+        {% trans "Update" as modal_button %}
+        {% url "participation:passage_update" pk=passage.pk as modal_action %}
+        {% include "base_modal.html" with modal_id="updatePassage" %}
+    {% elif user.registration.participates %}
+        {% trans "Upload synthesis" as modal_title %}
+        {% trans "Upload" as modal_button %}
+        {% url "participation:upload_synthesis" pk=passage.pk as modal_action %}
+        {% include "base_modal.html" with modal_id="uploadSynthesis" modal_enctype="multipart/form-data" %}
+    {% endif %}
 {% endblock %}
 
 {% block extrajavascript %}
     <script>
         $(document).ready(function () {
-            $('button[data-target="#updatePassageModal"]').click(function() {
-                let modalBody = $("#updatePassageModal div.modal-body");
-                if (!modalBody.html().trim())
-                    modalBody.load("{% url "participation:passage_update" pk=passage.pk %} #form-content")
-            });
+            {% if user.registration.is_admin %}
+                $('button[data-target="#updatePassageModal"]').click(function() {
+                    let modalBody = $("#updatePassageModal div.modal-body");
+                    if (!modalBody.html().trim())
+                        modalBody.load("{% url "participation:passage_update" pk=passage.pk %} #form-content")
+                });
+            {% elif user.registration.participates %}
+                $('button[data-target="#uploadSynthesisModal"]').click(function() {
+                    let modalBody = $("#uploadSynthesisModal div.modal-body");
+                    if (!modalBody.html().trim())
+                        modalBody.load("{% url "participation:upload_synthesis" pk=passage.pk %} #form-content")
+                });
+            {% endif %}
         });
     </script>
 {% endblock %}
diff --git a/apps/participation/templates/participation/upload_synthesis.html b/apps/participation/templates/participation/upload_synthesis.html
new file mode 100644
index 0000000..378585f
--- /dev/null
+++ b/apps/participation/templates/participation/upload_synthesis.html
@@ -0,0 +1,13 @@
+{% extends "base.html" %}
+
+{% load crispy_forms_filters i18n %}
+
+{% block content %}
+    <form method="post" enctype="multipart/form-data">
+        <div id="form-content">
+            {% csrf_token %}
+            {{ form|crispy }}
+        </div>
+        <button class="btn btn-primary" type="submit">{% trans "Upload" %}</button>
+    </form>
+{% endblock content %}
diff --git a/apps/participation/urls.py b/apps/participation/urls.py
index 026c2e8..b622178 100644
--- a/apps/participation/urls.py
+++ b/apps/participation/urls.py
@@ -9,7 +9,7 @@ from .views import CreateTeamView, JoinTeamView, \
     PassageCreateView, PassageDetailView, PassageUpdateView, PoolCreateView, PoolDetailView, \
     PoolUpdateView, PoolUpdateTeamsView, TeamAuthorizationsView, TeamDetailView, TeamLeaveView, TeamListView, \
     TeamUpdateView, TournamentCreateView, TournamentDetailView, TournamentListView, TournamentUpdateView, \
-    SolutionUploadView
+    SolutionUploadView, SynthesisUploadView
 
 
 app_name = "participation"
@@ -37,5 +37,6 @@ urlpatterns = [
     path("pools/passages/add/<int:pk>/", PassageCreateView.as_view(), name="passage_create"),
     path("pools/passages/<int:pk>/", PassageDetailView.as_view(), name="passage_detail"),
     path("pools/passages/<int:pk>/update/", PassageUpdateView.as_view(), name="passage_update"),
+    path("pools/passages/<int:pk>/solution/", SynthesisUploadView.as_view(), name="upload_synthesis"),
     path("chat/", TemplateView.as_view(template_name="participation/chat.html"), name="chat")
 ]
diff --git a/apps/participation/views.py b/apps/participation/views.py
index 6151f86..45aa654 100644
--- a/apps/participation/views.py
+++ b/apps/participation/views.py
@@ -24,8 +24,8 @@ from tfjm.matrix import Matrix
 from tfjm.views import AdminMixin
 
 from .forms import JoinTeamForm, ParticipationForm, PassageForm, PoolForm, PoolTeamsForm, RequestValidationForm, \
-    SolutionForm, TeamForm, TournamentForm, ValidateParticipationForm
-from .models import Participation, Passage, Pool, Team, Tournament, Solution
+    TeamForm, TournamentForm, ValidateParticipationForm, SolutionForm, SynthesisForm
+from .models import Participation, Passage, Pool, Team, Tournament, Solution, Synthesis
 from .tables import TeamTable, TournamentTable, ParticipationTable, PoolTable
 
 
@@ -460,6 +460,7 @@ class SolutionUploadView(LoginRequiredMixin, FormView):
         for sol in Solution.objects.filter(participation=self.participation,
                                            problem=form_sol.problem,
                                            final_solution=self.participation.final).all():
+            sol.file.delete()
             sol.delete()
         form_sol.participation = self.participation
         form_sol.final = self.participation.final
@@ -475,7 +476,7 @@ class PoolCreateView(AdminMixin, CreateView):
     form_class = PoolForm
 
 
-class PoolDetailView(AdminMixin, DetailView):
+class PoolDetailView(LoginRequiredMixin, DetailView):
     model = Pool
 
 
@@ -509,7 +510,7 @@ class PassageCreateView(AdminMixin, CreateView):
         return form
 
 
-class PassageDetailView(AdminMixin, DetailView):
+class PassageDetailView(LoginRequiredMixin, DetailView):
     model = Passage
 
 
@@ -517,3 +518,36 @@ class PassageUpdateView(AdminMixin, UpdateView):
     model = Passage
     form_class = PassageForm
 
+
+class SynthesisUploadView(LoginRequiredMixin, FormView):
+    template_name = "participation/upload_synthesis.html"
+    form_class = SynthesisForm
+
+    def dispatch(self, request, *args, **kwargs):
+        qs = Passage.objects.filter(pk=self.kwargs["pk"])
+        if not qs.exists():
+            raise Http404
+        self.participation = self.request.user.registration.team.participation
+        self.passage = qs.get()
+        return super().dispatch(request, *args, **kwargs)
+
+    def form_valid(self, form):
+        """
+        When a solution is submitted, it replaces a previous solution if existing,
+        otherwise it creates a new solution.
+        It is discriminating whenever the team is selected for the final tournament or not.
+        """
+        form_syn = form.instance
+        # Drop previous solution if existing
+        for syn in Synthesis.objects.filter(participation=self.participation,
+                                            passage=self.passage,
+                                            type=form_syn.type).all():
+            syn.file.delete()
+            syn.delete()
+        form_syn.participation = self.participation
+        form_syn.passage = self.passage
+        form_syn.save()
+        return super().form_valid(form)
+
+    def get_success_url(self):
+        return reverse_lazy("participation:passage_detail", args=(self.passage.pk,))
diff --git a/apps/registration/views.py b/apps/registration/views.py
index b30437d..d6c1b43 100644
--- a/apps/registration/views.py
+++ b/apps/registration/views.py
@@ -372,7 +372,7 @@ class SynthesisView(LoginRequiredMixin, View):
     """
     def get(self, request, *args, **kwargs):
         filename = kwargs["filename"]
-        path = f"media/syhntheses/{filename}"
+        path = f"media/syntheses/{filename}"
         if not os.path.exists(path):
             raise Http404
         solution = Synthesis.objects.get(file__endswith=filename)