diff --git a/back_end/src/main/java/hackathon/FrisbYEE/rest/AthleteResource.java b/back_end/src/main/java/hackathon/FrisbYEE/rest/AthleteResource.java
index cc9112e..092fab1 100644
--- a/back_end/src/main/java/hackathon/FrisbYEE/rest/AthleteResource.java
+++ b/back_end/src/main/java/hackathon/FrisbYEE/rest/AthleteResource.java
@@ -60,7 +60,7 @@ public class AthleteResource {
             @ApiResponse(responseCode = "200", description = "Récupère tous les athlètes", content = @Content(mediaType = "application/json", schema = @Schema(implementation = List.class)))
     })
     @GetMapping("/all")
-    @PreAuthorize("hasRole('admin') or hasRole('coach') or hasRole('athlete')")
+    @PreAuthorize("hasRole('admin') or hasRole('coach')")
     public ResponseEntity<List<AthleteDTO>> all() {
         List<Athlete> athletes = athleteDAO.findAll();
         List<AthleteDTO> dtos = new ArrayList<>();
diff --git a/back_end/src/main/java/hackathon/FrisbYEE/rest/UserSyncResource.java b/back_end/src/main/java/hackathon/FrisbYEE/rest/UserSyncResource.java
new file mode 100644
index 0000000..1f5f302
--- /dev/null
+++ b/back_end/src/main/java/hackathon/FrisbYEE/rest/UserSyncResource.java
@@ -0,0 +1,48 @@
+package hackathon.FrisbYEE.rest;
+
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.oauth2.jwt.Jwt;
+import org.springframework.security.core.context.SecurityContextHolder;
+
+import hackathon.FrisbYEE.jpa.metier.Athlete;
+import hackathon.FrisbYEE.jpa.service.AthleteDAO;
+import jakarta.transaction.Transactional;
+
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/users")
+@CrossOrigin(origins = "http://localhost:3000")
+public class UserSyncResource {
+
+    @Autowired
+    private AthleteDAO athleteDAO;
+
+    @PostMapping("/sync")
+    @Transactional
+    public ResponseEntity<Void> sync() {
+        Jwt jwt = (Jwt) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+
+        String keycloakId = jwt.getSubject();
+        String firstName = jwt.getClaimAsString("given_name");
+        String lastName = jwt.getClaimAsString("family_name");
+
+        if (!athleteDAO.existsByKeycloakId(keycloakId)) {
+            System.out.println("New user detected from Keycloak. Syncing: " + firstName + " " + lastName);
+            Athlete athlete = new Athlete();
+            athlete.setKeycloakId(keycloakId);
+            athlete.setName(lastName);
+            athlete.setPrenom(firstName);
+            athlete.setRole(hackathon.FrisbYEE.jpa.metier.Role.athlete);
+            athleteDAO.save(athlete);
+        }
+
+        return ResponseEntity.ok().build();
+    }
+}
\ No newline at end of file
diff --git a/front_end/src/components/login.tsx b/front_end/src/components/login.tsx
index a917c32..11e706f 100644
--- a/front_end/src/components/login.tsx
+++ b/front_end/src/components/login.tsx
@@ -8,9 +8,18 @@ export const Login =() =>{
     const { keycloak } = useKeycloak();
 
     useEffect(() => {
-            const syncUser = async () => {
+            const syncAndLoadUser = async () => {
                 if (keycloak.authenticated && keycloak.token) {
-                    console.log("Attempting to sync user with backend...");
+                    const tokenParsed = keycloak.tokenParsed;
+                    setUser({
+                        id: 0,
+                        keycloakId: tokenParsed!.sub!,
+                        email: tokenParsed?.email || "",
+                        nom: tokenParsed?.family_name || "",
+                        prenom: tokenParsed?.given_name || "",
+                        role: "athlete",
+                        sessions: []
+                    });
                     try {
                         const response = await fetch("http://localhost:8081/api/users/sync", {
                             method: "POST",
@@ -26,36 +35,8 @@ export const Login =() =>{
                 }
             };
 
-            syncUser();
-        }, [keycloak.authenticated, keycloak.token]);
-
-    useEffect(() => {
-    if (keycloak.authenticated && keycloak.token) {
-        fetch("http://localhost:8081/api/users/sync", {
-        method: "POST",
-        headers: {
-            Authorization: `Bearer ${keycloak.token}`,
-        },
-        })
-        .then(res => console.log("Sync response status:", res.status))
-        .catch(err => console.error("Sync error:", err));;
-    }
-    }, [keycloak.authenticated]);
-
-    useEffect(() => {
-        if (keycloak.authenticated) {
-            const tokenParsed = keycloak.tokenParsed;
-            setUser({
-                id: 0,
-                keycloakId: tokenParsed!.sub!, 
-                email: tokenParsed?.email,
-                nom: tokenParsed?.family_name,
-                prenom: tokenParsed?.given_name,
-                role: "athlete",
-                sessions: []
-            });
-        }
-    }, [keycloak.authenticated]);
+            syncAndLoadUser();
+        }, [keycloak.authenticated, keycloak.token, setUser]);
 
 
     function handleLogin(): void {
diff --git a/front_end/src/components/ressourcePanel.tsx b/front_end/src/components/ressourcePanel.tsx
index ad21358..0741daf 100644
--- a/front_end/src/components/ressourcePanel.tsx
+++ b/front_end/src/components/ressourcePanel.tsx
@@ -16,7 +16,7 @@ import { unescapeLeadingUnderscores } from "typescript";
 		console.log(user.nom);
 		console.log(user.prenom);
 		console.log(user.email);
-	    if (user.role === "Athlete") return null;
+	    if (user.role === "athlete") return null;
 
 
 	    const athleteMap: Map<number, Athlete> = new Map();
@@ -82,7 +82,7 @@ import { unescapeLeadingUnderscores } from "typescript";
 		        }}>
 		        <option value="athletes">Athlètes</option>
 		        <option value="activites">Activités</option>
-		        {user.role === "Admin" && <option value="coachs"> Coachs</option>}
+		        {user.role === "admin" && <option value="coachs"> Coachs</option>}
 		        <option value="sessions"> Sessions</option>
 		        <option value="lignes"> Lignes</option>