diff --git a/geotrek/common/views.py b/geotrek/common/views.py
index 76824e0b9b..cd47534c96 100644
--- a/geotrek/common/views.py
+++ b/geotrek/common/views.py
@@ -77,6 +77,11 @@
 
 logger = logging.getLogger(__name__)
 
+ANNOTATION_FORBIDDEN_CHARS = re.compile(r"['`\"\]\[;\s]|--|/\*|\*/")
+REPLACEMENT_CHAR = "_"
+
+def normalize_annotation_column_name(col_name):
+    return ANNOTATION_FORBIDDEN_CHARS.sub(repl=REPLACEMENT_CHAR, string=col_name)
 
 def handler404(request, exception, template_name="404.html"):
     if "api/v2" in request.get_full_path():
diff --git a/geotrek/maintenance/views.py b/geotrek/maintenance/views.py
index 37128df704..659711ab48 100755
--- a/geotrek/maintenance/views.py
+++ b/geotrek/maintenance/views.py
@@ -12,6 +12,7 @@
 from geotrek.authent.decorators import same_structure_required
 from geotrek.common.mixins.forms import FormsetMixin
 from geotrek.common.mixins.views import CustomColumnsMixin
+from geotrek.common.views import normalize_annotation_column_name
 from geotrek.common.viewsets import GeotrekMapentityViewSet
 from geotrek.feedback.models import Report
 from .filters import InterventionFilterSet, ProjectFilterSet
@@ -24,14 +25,6 @@
 logger = logging.getLogger(__name__)
 
 
-ANNOTATION_FORBIDDEN_CHARS = re.compile(r"['`\"\]\[;\s]|--|/\*|\*/")
-REPLACEMENT_CHAR = "_"
-
-
-def _normalize_annotation_column_name(col_name):
-    return ANNOTATION_FORBIDDEN_CHARS.sub(repl=REPLACEMENT_CHAR, string=col_name)
-
-
 class InterventionList(CustomColumnsMixin, MapEntityList):
     queryset = Intervention.objects.existing()
     mandatory_columns = ['id', 'name']
@@ -50,7 +43,7 @@ class InterventionFormatList(MapEntityFormat, InterventionList):
 
     @classmethod
     def build_cost_column_name(cls, job_name):
-        return _normalize_annotation_column_name(f"{_('Cost')} {job_name}")
+        return normalize_annotation_column_name(f"{_('Cost')} {job_name}")
 
     def get_queryset(self):
         """Returns all interventions joined with a new column for each job, to record the total cost of each job in each intervention"""
diff --git a/geotrek/settings/base.py b/geotrek/settings/base.py
index e83b63d08e..924ead3b94 100644
--- a/geotrek/settings/base.py
+++ b/geotrek/settings/base.py
@@ -843,6 +843,7 @@ def api_bbox(bbox, buffer):
 HIDDEN_FORM_FIELDS = {'report': ['assigned_user']}
 COLUMNS_LISTS = {}
 ENABLE_JOBS_COSTS_DETAILED_EXPORT = False
+ENABLE_EVENTS_PARTICIPANTS_DETAILED_EXPORT = False
 
 ACCESSIBILITY_ATTACHMENTS_ENABLED = True
 
diff --git a/geotrek/tourism/templates/tourism/touristicevent_detail_attributes.html b/geotrek/tourism/templates/tourism/touristicevent_detail_attributes.html
index 9ac7920c8d..380fda97da 100644
--- a/geotrek/tourism/templates/tourism/touristicevent_detail_attributes.html
+++ b/geotrek/tourism/templates/tourism/touristicevent_detail_attributes.html
@@ -47,7 +47,8 @@
         </tr>
         <tr>
             <th>{{ object|verbose:"price" }}</th>
-            <td>{{ object.price }}</td>
+            <td>{% if object.price %}{{ object.price }}
+                {% else %}<span class="none">{% trans "None" %}</span>{% endif %}</td>
         </tr>
         <tr>
             <th>{{ object|verbose:"meeting_point" }}</th>
@@ -105,7 +106,8 @@
         </tr>
         <tr>
             <th>{{ object|verbose:"capacity" }}</th>
-            <td>{{ object.capacity }}</td>
+            <td>{% if object.capacity %}{{ object.capacity }}
+                {% else %}<span class="none">{% trans "None" %}</span>{% endif %}</td>
         </tr>
         <tr>
             <th>{{ object|verbose:"cancelled" }}</th>
@@ -113,7 +115,8 @@
         </tr>
         <tr>
             <th>{{ object|verbose:"cancellation_reason" }}</th>
-            <td>{{ object.cancellation_reason|safe }}</td>
+            <td>{% if object.cancellation_reason %}{{ object.cancellation_reason|safe }}
+                {% else %}<span class="none">{% trans "None" %}</span>{% endif %}</td>
         </tr>
         <tr>
             <th>{% trans "Source" %}</th>
@@ -174,11 +177,13 @@
         </tr>
         <tr>
             <th>{{ object|verbose:"preparation_duration" }}</th>
-            <td>{{ object.preparation_duration }}</td>
+            <td>{% if object.preparation_duration %}{{ object.preparation_duration|safe }}
+                {% else %}<span class="none">{% trans "None" %}</span>{% endif %}</td>
         </tr>
         <tr>
             <th>{{ object|verbose:"intervention_duration" }}</th>
-            <td>{{ object.intervention_duration }}</td>
+            <td>{% if object.intervention_duration %}{{ object.intervention_duration|safe }}
+                {% else %}<span class="none">{% trans "None" %}</span>{% endif %}</td>
         </tr>
 
         {% include "common/publication_info_fragment.html" %}
diff --git a/geotrek/tourism/views.py b/geotrek/tourism/views.py
index cf349fdc96..8aa8968565 100644
--- a/geotrek/tourism/views.py
+++ b/geotrek/tourism/views.py
@@ -4,10 +4,11 @@
 from django.contrib.auth.decorators import login_required
 from django.contrib.gis.db.models.functions import Transform
 from django.core.exceptions import PermissionDenied
-from django.db.models import Sum
+from django.db.models import Sum, OuterRef, F
 from django.http import HttpResponse
 from django.shortcuts import get_object_or_404
 from django.utils.decorators import method_decorator
+from django.utils.translation import gettext_lazy as _
 from django.utils.html import escape
 from django.views.generic import CreateView
 from mapentity.views import (MapEntityCreate, MapEntityUpdate, MapEntityList, MapEntityDetail, MapEntityFilter,
@@ -17,13 +18,13 @@
 from geotrek.authent.decorators import same_structure_required
 from geotrek.common.mixins.views import CompletenessMixin, CustomColumnsMixin
 from geotrek.common.models import RecordSource, TargetPortal
-from geotrek.common.views import DocumentPublic, DocumentBookletPublic, MarkupPublic
+from geotrek.common.views import DocumentPublic, DocumentBookletPublic, MarkupPublic, normalize_annotation_column_name
 from geotrek.common.viewsets import GeotrekMapentityViewSet
 from geotrek.trekking.models import Trek
 from .filters import TouristicContentFilterSet, TouristicEventFilterSet
 from .forms import TouristicContentForm, TouristicEventForm, TouristicEventOrganizerFormPopup
 from .models import (TouristicContent, TouristicEvent, TouristicContentCategory, TouristicEventOrganizer,
-                     InformationDesk)
+                     InformationDesk, TouristicEventParticipantCategory, TouristicEventParticipantCount)
 from .serializers import (TouristicContentSerializer, TouristicEventSerializer,
                           TrekInformationDeskGeojsonSerializer,
                           TouristicContentGeojsonSerializer, TouristicEventGeojsonSerializer)
@@ -184,13 +185,56 @@ class TouristicEventFormatList(MapEntityFormat, TouristicEventList):
         'date_insert', 'date_update', 'source', 'portal',
         'review', 'published', 'publication_date',
         'cities', 'districts', 'areas', 'approved', 'uuid',
-        'cancelled', 'cancellation_reason', 'total_participants', 'place',
+        'cancelled', 'cancellation_reason', 'place',
         'preparation_duration', 'intervention_duration', 'price'
     ]
 
+    @classmethod
+    def build_participants_column_name(cls, category_label):
+        return normalize_annotation_column_name(f"{_('Participants')} {category_label}")
+
+    @classmethod
+    def get_mandatory_columns(cls):
+        mandatory_columns = ['id']
+        if settings.ENABLE_EVENTS_PARTICIPANTS_DETAILED_EXPORT:
+            categories_names = list(TouristicEventParticipantCategory.objects.order_by('order').values_list('label', flat=True))
+            # Create column names for each unique category
+            categories_columns_names = list(map(cls.build_participants_column_name, categories_names))
+            # Add these column names to export
+            mandatory_columns = mandatory_columns + categories_columns_names + ['total_participants']
+        else:
+            mandatory_columns = mandatory_columns + ['total_participants']
+        return mandatory_columns
+
     def get_queryset(self):
-        qs = super().get_queryset().select_related('place', 'cancellation_reason').prefetch_related('participants')
-        return qs.annotate(total_participants=Sum('participants__count'))
+        """Returns all events joined with a new column for each participant count"""
+
+        queryset = super().get_queryset().select_related('place', 'cancellation_reason').prefetch_related('participants')
+
+        if settings.ENABLE_EVENTS_PARTICIPANTS_DETAILED_EXPORT:
+            # Get all participants categories, as unique ids and names
+            categories = TouristicEventParticipantCategory.objects.order_by('order').values_list('id', 'label')
+
+            # Iter over unique categories
+            for category_id, label in categories:
+
+                # Create column name for current category
+                column_name = self.build_participants_column_name(label)
+
+                # Create subquery to retrieve category count (renamed because of ambiguity with 'count' method)
+                subquery = (TouristicEventParticipantCount.objects.filter(
+                    event=OuterRef('pk'),
+                    category=category_id
+                ).annotate(
+                        category_count=F('count')
+                ).values('category_count'))
+
+                # Annotate queryset with this cost query
+                params = {column_name: subquery}
+                queryset = queryset.annotate(**params).annotate(total_participants=Sum('participants__count'))
+        else:
+            return queryset.annotate(total_participants=Sum('participants__count'))
+        return queryset
 
 
 class TouristicEventDetail(CompletenessMixin, MapEntityDetail):