diff --git a/Sources/src/main/kotlin/allin/data/mock/MockBetDataSource.kt b/Sources/src/main/kotlin/allin/data/mock/MockBetDataSource.kt
index 2f8c34c..1f757f0 100644
--- a/Sources/src/main/kotlin/allin/data/mock/MockBetDataSource.kt
+++ b/Sources/src/main/kotlin/allin/data/mock/MockBetDataSource.kt
@@ -211,7 +211,15 @@ class MockBetDataSource(private val mockData: MockDataSource.MockData) : BetData
                 infos = answerInfos.filter { it.betId == this.id }
             ),
             participations = participations,
-            userParticipation = participation
+            userParticipation = participation,
+            wonParticipation = if (this.status == FINISHED) {
+                val result = results.find { it.betId == this.id }
+                result?.let { r ->
+                    participations
+                        .filter { it.answer == r.result }
+                        .maxBy { it.stake }
+                }
+            } else null
         )
     }
 
diff --git a/Sources/src/main/kotlin/allin/data/postgres/entities/BetEntity.kt b/Sources/src/main/kotlin/allin/data/postgres/entities/BetEntity.kt
index e1c9e43..41990fa 100644
--- a/Sources/src/main/kotlin/allin/data/postgres/entities/BetEntity.kt
+++ b/Sources/src/main/kotlin/allin/data/postgres/entities/BetEntity.kt
@@ -62,8 +62,15 @@ interface BetEntity : Entity<BetEntity> {
             bet = bet,
             answers = getBetAnswerDetail(bet, participationEntities, answerInfos),
             participations = participationEntities,
-            userParticipation = userParticipation?.toParticipation()
-
+            userParticipation = userParticipation?.toParticipation(),
+            wonParticipation = if (bet.status == BetStatus.FINISHED) {
+                val result = database.betResults.find { it.betId eq this.id }
+                result?.let { r ->
+                    participationEntities
+                        .filter { it.answer == r.result }
+                        .maxBy { it.stake }
+                }
+            } else null
         )
     }
 
diff --git a/Sources/src/main/kotlin/allin/model/BetDetail.kt b/Sources/src/main/kotlin/allin/model/BetDetail.kt
index 65f31c3..c2ea273 100644
--- a/Sources/src/main/kotlin/allin/model/BetDetail.kt
+++ b/Sources/src/main/kotlin/allin/model/BetDetail.kt
@@ -16,7 +16,8 @@ data class BetDetail(
     val bet: Bet, // Le Bet
     val answers: List<BetAnswerDetail>?, // Pour chaque réponse possible du bet les détails
     val participations: List<Participation>?, // La liste des participations
-    val userParticipation: Participation? // La participation du User current
+    val userParticipation: Participation?, // La participation du User current
+    val wonParticipation: Participation? // La participation gagnante
 )
 
 fun getBetAnswerDetail(