diff --git a/src/Bundle/ChillActivityBundle/Controller/ActivityController.php b/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
index 37f32af28..94e4cc85f 100644
--- a/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
+++ b/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
@@ -27,7 +27,6 @@ use Chill\PersonBundle\Entity\Person;
 use Chill\PersonBundle\Privacy\PrivacyEvent;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
-use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
@@ -104,12 +103,24 @@ class ActivityController extends AbstractController
             throw $this->createNotFoundException('Person not found');
         }
 
-        $activityTypes = $em->getRepository(\Chill\ActivityBundle\Entity\ActivityType::class)
-            ->findBy(['active' => true]);
+        $data = [];
+
+        $activityTypeCategories = $em->getRepository(\Chill\ActivityBundle\Entity\ActivityTypeCategory::class)
+            ->findBy(['active' => true], ['ordering' => 'ASC']);
+
+        foreach ($activityTypeCategories as $activityTypeCategory) {
+            $activityTypes = $em->getRepository(\Chill\ActivityBundle\Entity\ActivityType::class)
+                ->findBy(['active' => true, 'category' => $activityTypeCategory], ['ordering' => 'ASC']);
+
+            $data[] = [
+                'activityTypeCategory' => $activityTypeCategory,
+                'activityTypes' => $activityTypes,
+            ];
+        }
 
         return $this->render('ChillActivityBundle:Activity:selectType.html.twig', [
             'person'   => $person,
-            'activityTypes' => $activityTypes,
+            'data' => $data,
         ]);
     }
 
diff --git a/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeCategoryController.php b/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeCategoryController.php
index 149e83d28..1aef0c183 100644
--- a/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeCategoryController.php
+++ b/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeCategoryController.php
@@ -18,6 +18,6 @@ class AdminActivityTypeCategoryController extends CRUDController
     protected function orderQuery(string $action, $query, Request $request, PaginatorInterface $paginator)
     {
         /** @var \Doctrine\ORM\QueryBuilder $query */
-        return $query->orderBy('e.id', 'ASC');
+        return $query->orderBy('e.ordering', 'ASC');
     }
 }
diff --git a/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeController.php b/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeController.php
index c872bc0f4..8bf5da13d 100644
--- a/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeController.php
+++ b/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeController.php
@@ -18,6 +18,6 @@ class AdminActivityTypeController extends CRUDController
     protected function orderQuery(string $action, $query, Request $request, PaginatorInterface $paginator)
     {
         /** @var \Doctrine\ORM\QueryBuilder $query */
-        return $query->orderBy('e.id', 'ASC');
+        return $query->orderBy('e.ordering', 'ASC');
     }
 }
diff --git a/src/Bundle/ChillActivityBundle/Entity/ActivityType.php b/src/Bundle/ChillActivityBundle/Entity/ActivityType.php
index 65fc243d5..50cd7082e 100644
--- a/src/Bundle/ChillActivityBundle/Entity/ActivityType.php
+++ b/src/Bundle/ChillActivityBundle/Entity/ActivityType.php
@@ -54,7 +54,7 @@ class ActivityType
     private bool $active = true;
 
     /**
-     * ORM\ManyToOne(targetEntity="Chill\ActivityBundle\Entity\ActivityTypeCategory")
+     * @ORM\ManyToOne(targetEntity="Chill\ActivityBundle\Entity\ActivityTypeCategory")
      */
     private ?ActivityTypeCategory $category = null;
 
@@ -228,6 +228,11 @@ class ActivityType
      */
     private string $socialDataLabel = '';
 
+    /**
+     * @ORM\Column(type="float", options={"default"="0.0"})
+     */
+    private float $ordering = 0.0;
+
     /**
      * Get id
      */
@@ -665,4 +670,16 @@ class ActivityType
 
         return $this->$property;
     }
+
+    public function getOrdering(): float
+    {
+        return $this->ordering;
+    }
+
+    public function setOrdering(float $ordering): self
+    {
+        $this->ordering = $ordering;
+
+        return $this;
+    }
 }
diff --git a/src/Bundle/ChillActivityBundle/Entity/ActivityTypeCategory.php b/src/Bundle/ChillActivityBundle/Entity/ActivityTypeCategory.php
index 4ee84edba..2da799980 100644
--- a/src/Bundle/ChillActivityBundle/Entity/ActivityTypeCategory.php
+++ b/src/Bundle/ChillActivityBundle/Entity/ActivityTypeCategory.php
@@ -49,6 +49,11 @@ class ActivityTypeCategory
      */
     private bool $active = true;
 
+    /**
+     * @ORM\Column(type="float", options={"default"="0.0"})
+     */
+    private float $ordering = 0.0;
+
     /**
      * Get id
      */
@@ -103,4 +108,16 @@ class ActivityTypeCategory
 
         return $this;
     }
+
+    public function getOrdering(): float
+    {
+        return $this->ordering;
+    }
+
+    public function setOrdering(float $ordering): self
+    {
+        $this->ordering = $ordering;
+
+        return $this;
+    }
 }
diff --git a/src/Bundle/ChillActivityBundle/Form/ActivityTypeCategoryType.php b/src/Bundle/ChillActivityBundle/Form/ActivityTypeCategoryType.php
index 8cc90b061..0c592f519 100644
--- a/src/Bundle/ChillActivityBundle/Form/ActivityTypeCategoryType.php
+++ b/src/Bundle/ChillActivityBundle/Form/ActivityTypeCategoryType.php
@@ -4,6 +4,7 @@ namespace Chill\ActivityBundle\Form;
 
 use Chill\ActivityBundle\Entity\ActivityTypeCategory;
 use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\NumberType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
@@ -21,7 +22,12 @@ class ActivityTypeCategoryType extends AbstractType
                     'No'  => false
                 ),
                 'expanded' => true
-            ));
+            ))
+            ->add('ordering', NumberType::class, [
+                'required' => true,
+                'scale' => 5
+            ])
+        ;
     }
 
     public function configureOptions(OptionsResolver $resolver): void
diff --git a/src/Bundle/ChillActivityBundle/Form/ActivityTypeType.php b/src/Bundle/ChillActivityBundle/Form/ActivityTypeType.php
index 9a819ddf1..d1a46b109 100644
--- a/src/Bundle/ChillActivityBundle/Form/ActivityTypeType.php
+++ b/src/Bundle/ChillActivityBundle/Form/ActivityTypeType.php
@@ -7,6 +7,7 @@ use Chill\ActivityBundle\Form\Type\ActivityFieldPresence;
 use Chill\MainBundle\Templating\TranslatableStringHelper;
 use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\NumberType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -39,6 +40,10 @@ class ActivityTypeType extends AbstractType
                     return $this->translatableStringHelper->localize($activityTypeCategory->getName());
                 },
             ])
+            ->add('ordering', NumberType::class, [
+                'required' => true,
+                'scale' => 5
+            ])
         ;
 
         $fields = [
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/selectType.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/selectType.html.twig
index 9e3407337..dfd26bad1 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/selectType.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/selectType.html.twig
@@ -8,13 +8,17 @@
     <h2 class="chill-red">{{ "Activity creation"|trans }}</h2>
 
     {# TODO: refaire l'html css des tuilles #}
-    <div style="display:flex;justify-content:center;gap:12px;flex-wrap:wrap;">
-        {% for activityType in activityTypes %}
-            <a href="{{ path('chill_activity_activity_new', {'person_id': person.id, 'activityType_id': activityType.id }) }}">
-                <div style="width:200px;height:200px;border:1px dotted red;display:flex;justify-content:center;align-items:center;align-content:center;">
-                    {{ activityType.name|localize_translatable_string }}
-                </div>
-            </a>
-        {% endfor %}
-    </div>
+
+    {% for row in data %}
+        <h3>{{ row.activityTypeCategory.name|localize_translatable_string }}</h3>
+        <div style="display:flex;justify-content:center;gap:12px;flex-wrap:wrap;">
+            {% for activityType in row.activityTypes %}
+                <a href="{{ path('chill_activity_activity_new', {'person_id': person.id, 'activityType_id': activityType.id }) }}">
+                    <div style="width:200px;height:200px;border:1px dotted red;display:flex;justify-content:center;align-items:center;align-content:center;">
+                        {{ activityType.name|localize_translatable_string }}
+                    </div>
+                </a>
+            {% endfor %}
+        </div>
+    {% endfor %}
 {% endblock %}
diff --git a/src/Bundle/ChillActivityBundle/migrations/Version20210506090417.php b/src/Bundle/ChillActivityBundle/migrations/Version20210506090417.php
new file mode 100644
index 000000000..b1e4e43fc
--- /dev/null
+++ b/src/Bundle/ChillActivityBundle/migrations/Version20210506090417.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Activity;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20210506090417 extends AbstractMigration
+{
+    public function up(Schema $schema) : void
+    {
+        $this->addSql('ALTER TABLE activitytype ADD ordering DOUBLE PRECISION DEFAULT \'0.0\' NOT NULL');
+        $this->addSql('ALTER TABLE activitytypecategory ADD ordering DOUBLE PRECISION DEFAULT \'0.0\' NOT NULL');
+    }
+
+    public function down(Schema $schema) : void
+    {
+        $this->addSql('ALTER TABLE activitytypecategory DROP ordering');
+        $this->addSql('ALTER TABLE activitytype DROP ordering');
+    }
+}
diff --git a/src/Bundle/ChillActivityBundle/migrations/Version20210506094520.php b/src/Bundle/ChillActivityBundle/migrations/Version20210506094520.php
new file mode 100644
index 000000000..a31d23ae4
--- /dev/null
+++ b/src/Bundle/ChillActivityBundle/migrations/Version20210506094520.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Activity;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20210506094520 extends AbstractMigration
+{
+    public function getDescription() : string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema) : void
+    {
+        $this->addSql('ALTER TABLE activitytype ADD category_id INT DEFAULT 1');
+        $this->addSql('ALTER TABLE activitytype ADD CONSTRAINT FK_B38CD05112469DE2 FOREIGN KEY (category_id) REFERENCES activitytypecategory (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+    }
+
+    public function down(Schema $schema) : void
+    {
+        $this->addSql('ALTER TABLE activitytype DROP CONSTRAINT FK_B38CD05112469DE2');;
+        $this->addSql('ALTER TABLE activitytype DROP category_id');
+    }
+}