diff --git a/racevisionGame/src/main/java/mock/model/MockBoat.java b/racevisionGame/src/main/java/mock/model/MockBoat.java
index a5dc98fe..5bf55d50 100644
--- a/racevisionGame/src/main/java/mock/model/MockBoat.java
+++ b/racevisionGame/src/main/java/mock/model/MockBoat.java
@@ -27,7 +27,7 @@ public class MockBoat extends Boat {
      * 1: passed only first check
      * 2: passed first and second check
      */
-    private Integer roundingStatus = 0;
+    private int roundingStatus = 0;
 
     /**
      * Stores whether the boat is on autoVMG or not
@@ -284,8 +284,8 @@ public class MockBoat extends Boat {
                 (this.isStarboardSide(mark1) && this.isPortSide(mark2));
     }
 
-    public Integer getRoundingStatus() {
-        return Integer.valueOf(roundingStatus);
+    public int getRoundingStatus() {
+        return roundingStatus;
     }
 
     public void increaseRoundingStatus() {
diff --git a/racevisionGame/src/main/java/mock/model/MockRace.java b/racevisionGame/src/main/java/mock/model/MockRace.java
index 9ede32d1..12e2d476 100644
--- a/racevisionGame/src/main/java/mock/model/MockRace.java
+++ b/racevisionGame/src/main/java/mock/model/MockRace.java
@@ -377,6 +377,11 @@ public class MockRace extends RaceState {
             boat.setTimeSinceTackChange(boat.getTimeSinceTackChange() + updatePeriodMilliseconds);
         }
 
+        // Remove one unit of health for every frame spent outside boundary
+        if(!finish && checkBearingInsideCourse(boat.getBearing(), boat.getPosition())) {
+            boat.updateHealth(-1);
+        }
+
         this.updateEstimatedTime(boat);
 
     }
diff --git a/racevisionGame/src/main/java/mock/model/RaceLogic.java b/racevisionGame/src/main/java/mock/model/RaceLogic.java
index 0110716e..a317dcdf 100644
--- a/racevisionGame/src/main/java/mock/model/RaceLogic.java
+++ b/racevisionGame/src/main/java/mock/model/RaceLogic.java
@@ -173,12 +173,9 @@ public class RaceLogic implements RunnableWithFramePeriod, Observer {
                         race.updatePosition(boat, framePeriod, race.getRaceClock().getDurationMilli());
 
                         if(race.getColliderRegistry().rayCast(boat)){
-                            //System.out.println("Collision!");
                             //Add boat to list
                             collisionBoats.add(boat);
                         }
-
-                        //System.out.println(race.getColliderRegistry().rayCast(boat));
                     }
 
 
diff --git a/racevisionGame/src/main/java/mock/model/RaceServer.java b/racevisionGame/src/main/java/mock/model/RaceServer.java
index 7f213a72..c52fbb08 100644
--- a/racevisionGame/src/main/java/mock/model/RaceServer.java
+++ b/racevisionGame/src/main/java/mock/model/RaceServer.java
@@ -71,6 +71,9 @@ public class RaceServer {
         //Parse the boat locations.
         snapshotMessages.addAll(parseBoatLocations());
 
+        //Parse the boat states
+        snapshotMessages.addAll(parseBoatStates());
+
         //Parse the marks.
         snapshotMessages.addAll(parseMarks());
 
@@ -250,7 +253,29 @@ public class RaceServer {
 
     }
 
+    /**
+     * Generates BoatState messages for every boat in the race
+     * @return list of BoatState messages
+     */
+    private List<BoatState> parseBoatStates() {
+        List<BoatState> boatStates = new ArrayList<>();
+        for(MockBoat boat: race.getBoats()) {
+            boatStates.add(parseIndividualBoatState(boat));
+        }
+        return boatStates;
+    }
 
+    /**
+     * Creates a BoatState message for the current state of the given boat
+     * @param boat to generate message for
+     * @return BoatState message
+     */
+    private BoatState parseIndividualBoatState(MockBoat boat) {
+        return new BoatState(
+                boat.getSourceID(),
+                boat.getHealth()
+        );
+    }
 
     /**
      * Parses the race status, and returns it.
diff --git a/racevisionGame/src/main/java/shared/model/Boat.java b/racevisionGame/src/main/java/shared/model/Boat.java
index edbba025..0686d127 100644
--- a/racevisionGame/src/main/java/shared/model/Boat.java
+++ b/racevisionGame/src/main/java/shared/model/Boat.java
@@ -103,6 +103,11 @@ public class Boat extends Collider {
      */
     private boolean isColliding = false;
 
+    /**
+     * Amount of health boat currently has, between 0 and 100
+     */
+    private int health;
+
     /**
      * Constructs a boat object with a given sourceID, name, country/team abbreviation, and polars table.
      *
@@ -113,6 +118,7 @@ public class Boat extends Collider {
     public Boat(int sourceID, String name, String country) {
 
         this.sourceID = sourceID;
+        this.health = 100;
         this.setName(name);
         this.setCountry(country);
 
@@ -419,6 +425,8 @@ public class Boat extends Collider {
     @Override
     public void onCollisionEnter(Collision e) {
         if(e.getBearing().degrees() > 270 || e.getBearing().degrees() < 90) {
+            // Deplete health
+            e.getBoat().updateHealth(-5);
             // Notify observers of collision
             this.setChanged();
             notifyObservers(e);
@@ -432,4 +440,22 @@ public class Boat extends Collider {
     public void setColliding(boolean colliding) {
         isColliding = colliding;
     }
+
+    public int getHealth() {
+        return health;
+    }
+
+    public void setHealth(int health) {
+        this.health = health;
+    }
+
+    /**
+     * Add a given amount of HP to boat health
+     * @param delta amount of HP to add
+     */
+    public void updateHealth(int delta) {
+        health += delta;
+        if(health < 0) health = 0;
+        else if(health > 100) health = 100;
+    }
 }
diff --git a/racevisionGame/src/main/java/shared/model/Mark.java b/racevisionGame/src/main/java/shared/model/Mark.java
index fd46112f..83ee1168 100644
--- a/racevisionGame/src/main/java/shared/model/Mark.java
+++ b/racevisionGame/src/main/java/shared/model/Mark.java
@@ -97,6 +97,7 @@ public class Mark extends Collider{
 
     @Override
     public void onCollisionEnter(Collision e) {
+        e.getBoat().updateHealth(-10);
         this.setChanged();
         notifyObservers(e);
     }
diff --git a/racevisionGame/src/main/java/visualiser/Commands/VisualiserRaceCommands/BoatStateCommand.java b/racevisionGame/src/main/java/visualiser/Commands/VisualiserRaceCommands/BoatStateCommand.java
new file mode 100644
index 00000000..e691a35b
--- /dev/null
+++ b/racevisionGame/src/main/java/visualiser/Commands/VisualiserRaceCommands/BoatStateCommand.java
@@ -0,0 +1,23 @@
+package visualiser.Commands.VisualiserRaceCommands;
+
+import mock.model.commandFactory.Command;
+import network.Messages.BoatState;
+import visualiser.model.VisualiserRaceState;
+
+/**
+ * Created by connortaylorbrown on 20/09/17.
+ */
+public class BoatStateCommand implements Command {
+    private BoatState boatState;
+    private VisualiserRaceState visualiserRace;
+
+    public BoatStateCommand(BoatState boatState, VisualiserRaceState visualiserRace) {
+        this.boatState = boatState;
+        this.visualiserRace = visualiserRace;
+    }
+
+    @Override
+    public void execute() {
+        System.out.println(boatState.getBoatHealth());
+    }
+}
diff --git a/racevisionGame/src/main/java/visualiser/Commands/VisualiserRaceCommands/VisualiserRaceCommandFactory.java b/racevisionGame/src/main/java/visualiser/Commands/VisualiserRaceCommands/VisualiserRaceCommandFactory.java
index 0e2f3d15..825d3397 100644
--- a/racevisionGame/src/main/java/visualiser/Commands/VisualiserRaceCommands/VisualiserRaceCommandFactory.java
+++ b/racevisionGame/src/main/java/visualiser/Commands/VisualiserRaceCommands/VisualiserRaceCommandFactory.java
@@ -24,7 +24,6 @@ public class VisualiserRaceCommandFactory {
         switch (message.getType()) {
 
             case BOATLOCATION:
-                //System.out.println("Boat location received");
                 return new BoatLocationCommand((BoatLocation) message, visualiserRace);
 
             case RACESTATUS: return new RaceStatusCommand((RaceStatus) message, visualiserRace);
@@ -36,7 +35,8 @@ public class VisualiserRaceCommandFactory {
             case YACHTEVENTCODE:
                 return new BoatCollisionCommand((YachtEvent) message, visualiserRace);
 
-
+            case BOATSTATE:
+                return new BoatStateCommand((BoatState) message, visualiserRace);
 
             default: throw new CommandConstructionException("Could not create VisualiserRaceCommand. Unrecognised or unsupported MessageType: " + message.getType());
 
diff --git a/racevisionGame/src/main/java/visualiser/network/ServerConnection.java b/racevisionGame/src/main/java/visualiser/network/ServerConnection.java
index 8780a676..2e97f36d 100644
--- a/racevisionGame/src/main/java/visualiser/network/ServerConnection.java
+++ b/racevisionGame/src/main/java/visualiser/network/ServerConnection.java
@@ -297,6 +297,7 @@ public class ServerConnection implements RunnableWithFramePeriod {
         this.messageRouter.addRoute(MessageType.MARKROUNDING, incomingMessages);
         this.messageRouter.addRoute(MessageType.XMLMESSAGE, incomingMessages);
         this.messageRouter.addRoute(MessageType.ASSIGN_PLAYER_BOAT, incomingMessages);
+        this.messageRouter.addRoute(MessageType.BOATSTATE, incomingMessages);
         this.messageRouter.removeDefaultRoute(); //We no longer want to keep un-routed messages.