diff --git a/backend/controllers/trainingStatsController.js b/backend/controllers/trainingStatsController.js
index 136faa5..c268ff7 100644
--- a/backend/controllers/trainingStatsController.js
+++ b/backend/controllers/trainingStatsController.js
@@ -135,11 +135,35 @@ class TrainingStatsController {
       // Nach Gesamtteilnahme absteigend sortieren
       stats.sort((a, b) => b.participationTotal - a.participationTotal);
       
+      // Trainingstage mit Teilnehmerzahlen abrufen (letzte 12 Monate, absteigend sortiert)
+      const trainingDays = await DiaryDate.findAll({
+        where: {
+          clubId: parseInt(clubId),
+          date: {
+            [Op.gte]: twelveMonthsAgo
+          }
+        },
+        include: [{
+          model: Participant,
+          as: 'participantList',
+          attributes: ['id']
+        }],
+        order: [['date', 'DESC']]
+      });
+      
+      // Formatiere Trainingstage mit Teilnehmerzahl
+      const formattedTrainingDays = trainingDays.map(day => ({
+        id: day.id,
+        date: day.date,
+        participantCount: day.participantList ? day.participantList.length : 0
+      }));
+      
       // Zusätzliche Metadaten mit Trainingsanzahl zurückgeben
       res.json({
         members: stats,
         trainingsCount12Months,
-        trainingsCount3Months
+        trainingsCount3Months,
+        trainingDays: formattedTrainingDays
       });
       
     } catch (error) {
diff --git a/frontend/src/views/TrainingStatsView.vue b/frontend/src/views/TrainingStatsView.vue
index 8c049b0..c045e2f 100644
--- a/frontend/src/views/TrainingStatsView.vue
+++ b/frontend/src/views/TrainingStatsView.vue
@@ -19,8 +19,43 @@
       </div>
     </div>
 
-    <div class="members-table-container">
-      <table class="members-table">
+    <!-- Trainingstage-Tabelle (standardmäßig aufgeklappt) -->
+    <div class="collapsible-section">
+      <div class="section-header" @click="toggleTrainingDays">
+        <h3>Trainingstage (letzte 12 Monate)</h3>
+        <span class="toggle-icon">{{ showTrainingDays ? '▼' : '▶' }}</span>
+      </div>
+      <div v-if="showTrainingDays" class="section-content">
+        <div class="training-days-container">
+          <table class="training-days-table">
+            <thead>
+              <tr>
+                <th>Datum</th>
+                <th>Wochentag</th>
+                <th>Teilnehmer</th>
+              </tr>
+            </thead>
+            <tbody>
+              <tr v-for="day in trainingDays" :key="day.id">
+                <td>{{ formatDate(day.date) }}</td>
+                <td>{{ getWeekday(day.date) }}</td>
+                <td>{{ day.participantCount }}</td>
+              </tr>
+            </tbody>
+          </table>
+        </div>
+      </div>
+    </div>
+
+    <!-- Mitglieder-Tabelle (standardmäßig eingeklappt) -->
+    <div class="collapsible-section">
+      <div class="section-header" @click="toggleMembers">
+        <h3>Mitglieder-Teilnahmen</h3>
+        <span class="toggle-icon">{{ showMembers ? '▼' : '▶' }}</span>
+      </div>
+      <div v-if="showMembers" class="section-content">
+        <div class="members-table-container">
+          <table class="members-table">
         <thead>
           <tr>
             <th @click="sortBy('name')" class="sortable-header">
@@ -74,6 +109,8 @@
         </tbody>
       </table>
     </div>
+      </div>
+    </div>
 
     <!-- Modal für Mitgliedsdetails -->
     <div v-if="showDetailsModal" class="modal">
@@ -169,11 +206,14 @@ export default {
       activeMembers: [],
       trainingsCount12Months: 0,
       trainingsCount3Months: 0,
+      trainingDays: [],
       showDetailsModal: false,
       selectedMember: {},
       loading: false,
       sortField: 'name',
-      sortDirection: 'asc'
+      sortDirection: 'asc',
+      showTrainingDays: true,
+      showMembers: false
     };
   },
   
@@ -204,6 +244,7 @@ export default {
         this.activeMembers = response.data.members || [];
         this.trainingsCount12Months = response.data.trainingsCount12Months || 0;
         this.trainingsCount3Months = response.data.trainingsCount3Months || 0;
+        this.trainingDays = response.data.trainingDays || [];
       } catch (error) {
         // Kein Alert - es ist normal, dass nicht alle Daten verfügbar sind
       } finally {
@@ -211,6 +252,20 @@ export default {
       }
     },
     
+    toggleTrainingDays() {
+      this.showTrainingDays = !this.showTrainingDays;
+    },
+    
+    toggleMembers() {
+      this.showMembers = !this.showMembers;
+    },
+    
+    getWeekday(dateString) {
+      const date = new Date(dateString);
+      const weekdays = ['Sonntag', 'Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag'];
+      return weekdays[date.getDay()];
+    },
+    
     showMemberDetails(member) {
       this.selectedMember = member;
       this.showDetailsModal = true;
@@ -300,12 +355,84 @@ export default {
   color: var(--primary-color);
 }
 
-.members-table-container {
+.collapsible-section {
   background: white;
   border-radius: var(--border-radius-large);
   box-shadow: var(--shadow-light);
-  overflow: hidden;
   border: 1px solid var(--border-color);
+  margin-bottom: 1.5rem;
+  overflow: hidden;
+}
+
+.section-header {
+  padding: 1.25rem 1.5rem;
+  background: var(--bg-light);
+  cursor: pointer;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  user-select: none;
+  transition: background-color 0.2s ease;
+}
+
+.section-header:hover {
+  background: var(--primary-color);
+  color: white;
+}
+
+.section-header:hover h3 {
+  color: white;
+}
+
+.section-header h3 {
+  margin: 0;
+  font-size: 1.125rem;
+  color: var(--text-primary);
+  transition: color 0.2s ease;
+}
+
+.toggle-icon {
+  font-size: 1rem;
+  font-weight: bold;
+  transition: transform 0.3s ease;
+}
+
+.section-content {
+  padding: 0;
+}
+
+.training-days-container {
+  overflow-x: auto;
+}
+
+.training-days-table {
+  width: 100%;
+  border-collapse: collapse;
+}
+
+.training-days-table th,
+.training-days-table td {
+  padding: 1rem;
+  text-align: left;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.training-days-table th {
+  background: var(--bg-light);
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.training-days-table tbody tr:hover {
+  background: var(--bg-light);
+}
+
+.training-days-table tbody tr:last-child td {
+  border-bottom: none;
+}
+
+.members-table-container {
+  overflow-x: auto;
 }
 
 .members-table {