diff --git a/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/shortestpath/Marathon.java b/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/shortestpath/Marathon.java
index 01c1652..7771b80 100644
--- a/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/shortestpath/Marathon.java
+++ b/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/shortestpath/Marathon.java
@@ -47,8 +47,8 @@ public class Marathon extends ShortestPathAlgorithm {
         Node dest = dataInput.getOrigin().getSuccessors().get(0).getDestination() ; 
 
         Label xl = tas.findMin();
-        boolean possible = True ; 
-        boolean fini = False ; 
+        boolean possible = true ; 
+        boolean fini = false ; 
 
         // iterations
         while (!tas.isEmpty() && fini && possible) {
@@ -56,7 +56,7 @@ public class Marathon extends ShortestPathAlgorithm {
             Node x = xl.getSommetCourant();
             notifyNodeMarked(x);
             xl.marque = true;
-            possible = False ; 
+            possible = false ; 
             for (Arc a : x.getSuccessors()) {
                 if (dataInput.isAllowed(a)) {
                     Node n = a.getDestination();
@@ -64,8 +64,8 @@ public class Marathon extends ShortestPathAlgorithm {
                         listLabel[n.getId()] = newLabelMarathon(n);
                     }
                     if (!listLabel[n.getId()].getMarque()) {
-                        possible = True ; 
-                        listLabel[n.getId()].update(x,x.getCost());
+                        possible = true ; 
+                        listLabel[n.getId()].update(a, listLabel[x.getId()].getCost() + dataInput.getCost(a));
 
                         if ((!n.equals(dest)) && (listLabel[n.getId()].getCost()) < 43){
                             tas.insert(listLabel[n.getId()]) ; 
diff --git a/be-graphes-algos/target/classes/org/insa/graphs/algorithm/shortestpath/Marathon.class b/be-graphes-algos/target/classes/org/insa/graphs/algorithm/shortestpath/Marathon.class
index 494128f..d377ba0 100644
Binary files a/be-graphes-algos/target/classes/org/insa/graphs/algorithm/shortestpath/Marathon.class and b/be-graphes-algos/target/classes/org/insa/graphs/algorithm/shortestpath/Marathon.class differ