diff --git a/src/main/java/seng302/Model/ConstantVelocityRace.java b/src/main/java/seng302/Model/ConstantVelocityRace.java
index fb2afc99..1b83c92d 100644
--- a/src/main/java/seng302/Model/ConstantVelocityRace.java
+++ b/src/main/java/seng302/Model/ConstantVelocityRace.java
@@ -13,6 +13,7 @@ import java.util.ArrayList;
  * Created by cbt24 on 6/03/17.
  */
 public class ConstantVelocityRace extends Race {
+
     /**
      * Initialiser for a Race with constant velocity.
      * @param startingBoats array of boats
diff --git a/src/main/java/seng302/Model/Leg.java b/src/main/java/seng302/Model/Leg.java
index 84ee1529..3cc41743 100644
--- a/src/main/java/seng302/Model/Leg.java
+++ b/src/main/java/seng302/Model/Leg.java
@@ -55,15 +55,6 @@ public class Leg {
         return distance;
     }
 
-
-    /**
-     *
-     * @return Returns the name of the Leg
-     */
-    public String toString() {
-        return name;
-    }
-
     /**
      * Returns the coordinates in GPSCoordinate class of the boats starting coordinate.
      * @return Returns the coordinate of the start of the leg.
@@ -101,5 +92,6 @@ public class Leg {
         calc.setStartingGeographicPoint(startGPSCoordinate.getLongitude(), startGPSCoordinate.getLatitude());
         calc.setDestinationGeographicPoint(endGPSCoordinate.getLongitude(), endGPSCoordinate.getLatitude());
         return calc.getOrthodromicDistance() / Constants.NMToMetersConversion;
+
     }
 }
diff --git a/src/main/java/seng302/Model/ResizableRaceCanvas.java b/src/main/java/seng302/Model/ResizableRaceCanvas.java
index bcb44e1e..ab46da00 100644
--- a/src/main/java/seng302/Model/ResizableRaceCanvas.java
+++ b/src/main/java/seng302/Model/ResizableRaceCanvas.java
@@ -1,6 +1,6 @@
 package seng302.Model;
 
-import com.sun.xml.internal.bind.v2.runtime.reflect.opt.Const;
+
 import javafx.scene.canvas.Canvas;
 import javafx.scene.canvas.GraphicsContext;
 import javafx.scene.paint.Color;
@@ -11,9 +11,6 @@ import seng302.GPSCoordinate;
 import seng302.GraphCoordinate;
 import seng302.RaceMap;
 
-import java.util.ArrayList;
-import java.util.Random;
-
 /**
  * This creates a JavaFX Canvas that is fills it's parent.
  * Cannot be downsized.
diff --git a/src/test/java/seng302/Model/ConstantVelocityRaceTest.java b/src/test/java/seng302/Model/ConstantVelocityRaceTest.java
index 024028da..61dc66b7 100644
--- a/src/test/java/seng302/Model/ConstantVelocityRaceTest.java
+++ b/src/test/java/seng302/Model/ConstantVelocityRaceTest.java
@@ -1,6 +1,7 @@
 package seng302.Model;
 
 
+import javafx.scene.paint.Color;
 import org.geotools.referencing.GeodeticCalculator;
 import org.junit.Test;
 import org.opengis.geometry.coordinate.Geodesic;
@@ -8,6 +9,7 @@ import seng302.Constants;
 import seng302.GPSCoordinate;
 
 import java.awt.geom.Point2D;
+import java.util.ArrayList;
 
 import static org.junit.Assert.assertEquals;
 
@@ -16,10 +18,50 @@ import static org.junit.Assert.assertEquals;
  */
 public class ConstantVelocityRaceTest {
 
-//    @Test
-//    public void
 
+    @Test
+    public void updatePositionChangesDistanceTravelled() {
+
+        BoatInRace boat = new BoatInRace("Test", 1, Color.ALICEBLUE, "tt");
+        Leg start = new Leg("Start", new GPSCoordinate(0, 0), new GPSCoordinate(50, 50), 0);
+        boat.setCurrentLeg(start);
+        boat.setDistanceTravelledInLeg(0);
+        int timeElapsed = 3600000; //1 hr
+
+        ConstantVelocityRace race = new ConstantVelocityRace(new BoatInRace[1], new ArrayList<Leg>());
+
+        race.updatePosition(boat, timeElapsed);
+        assertEquals(boat.getDistanceTravelledInLeg(), boat.getVelocity() * timeElapsed / 3600000, 1e-8);
+    }
+
+    @Test
+    public void updatePositionHandlesNoChangeToDistanceTravelled() {
+
+        BoatInRace boat = new BoatInRace("Test", 0, Color.ALICEBLUE, "tt");
+        Leg start = new Leg("Start", new GPSCoordinate(0, 0), new GPSCoordinate(50, 50), 0);
+        boat.setCurrentLeg(start);
+        boat.setDistanceTravelledInLeg(0);
+        int timeElapsed = 3600000; //1 hr
 
+        ConstantVelocityRace race = new ConstantVelocityRace(new BoatInRace[1], new ArrayList<Leg>());
+
+        race.updatePosition(boat, timeElapsed);
+        assertEquals(boat.getDistanceTravelledInLeg(), 0, 1e-8);
+    }
+
+    @Test
+    public void changesToDistanceTravelledAreAdditive() {
+        BoatInRace boat = new BoatInRace("Test", 5, Color.ALICEBLUE, "tt");
+        Leg start = new Leg("Start", new GPSCoordinate(0, 0), new GPSCoordinate(50, 50), 0);
+        boat.setCurrentLeg(start);
+        boat.setDistanceTravelledInLeg(50);
+        int timeElapsed = 3600000; //1 hr
+
+        ConstantVelocityRace race = new ConstantVelocityRace(new BoatInRace[1], new ArrayList<Leg>());
+
+        race.updatePosition(boat, timeElapsed);
+        assertEquals(boat.getDistanceTravelledInLeg(), boat.getVelocity() * timeElapsed / 3600000 + 50, 1e-8);
+    }
 
     @Test
     public void travelling10nmNorthGivesCorrectNewCoordinates() {
diff --git a/src/test/java/seng302/Model/LegTest.java b/src/test/java/seng302/Model/LegTest.java
new file mode 100644
index 00000000..621ea98b
--- /dev/null
+++ b/src/test/java/seng302/Model/LegTest.java
@@ -0,0 +1,71 @@
+package seng302.Model;
+
+import org.geotools.referencing.GeodeticCalculator;
+import org.junit.Test;
+import seng302.Constants;
+import seng302.GPSCoordinate;
+
+import static junit.framework.TestCase.assertEquals;
+
+/**
+ * Created by esa46 on 22/03/17.
+ */
+public class LegTest {
+
+    @Test
+    public void calculateDistanceHandles5nmNorth() {
+        GeodeticCalculator calc = new GeodeticCalculator();
+        calc.setStartingGeographicPoint(0, 0);
+        calc.setDirection(0, 5 * Constants.NMToMetersConversion);
+
+        GPSCoordinate startPoint = new GPSCoordinate(0, 0);
+        GPSCoordinate endPoint = new GPSCoordinate(calc.getDestinationGeographicPoint().getY(), calc.getDestinationGeographicPoint().getX());
+        Leg test= new Leg("Test", startPoint, endPoint, 0);
+        assertEquals(test.getDistance(), 5, 1e-8);
+    }
+
+    @Test
+    public void calculateDistanceHandles12nmEast() {
+        GeodeticCalculator calc = new GeodeticCalculator();
+        calc.setStartingGeographicPoint(0, 0);
+        calc.setDirection(90, 12 * Constants.NMToMetersConversion);
+
+        GPSCoordinate startPoint = new GPSCoordinate(0, 0);
+        GPSCoordinate endPoint = new GPSCoordinate(calc.getDestinationGeographicPoint().getY(), calc.getDestinationGeographicPoint().getX());
+        Leg test= new Leg("Test", startPoint, endPoint, 0);
+        assertEquals(test.getDistance(), 12, 1e-8);
+    }
+
+    @Test
+    public void calculateDistanceHandlesHalfnmSouth() {
+        GeodeticCalculator calc = new GeodeticCalculator();
+        calc.setStartingGeographicPoint(0, 0);
+        calc.setDirection(180, 0.5 * Constants.NMToMetersConversion);
+
+        GPSCoordinate startPoint = new GPSCoordinate(0, 0);
+        GPSCoordinate endPoint = new GPSCoordinate(calc.getDestinationGeographicPoint().getY(), calc.getDestinationGeographicPoint().getX());
+        Leg test= new Leg("Test", startPoint, endPoint, 0);
+        assertEquals(test.getDistance(), 0.5, 1e-8);
+    }
+
+    @Test
+    public void calculateDistanceHandlesPoint1nmWest() {
+        GeodeticCalculator calc = new GeodeticCalculator();
+        calc.setStartingGeographicPoint(0, 0);
+        calc.setDirection(-90, 0.1 * Constants.NMToMetersConversion);
+
+        GPSCoordinate startPoint = new GPSCoordinate(0, 0);
+        GPSCoordinate endPoint = new GPSCoordinate(calc.getDestinationGeographicPoint().getY(), calc.getDestinationGeographicPoint().getX());
+        Leg test= new Leg("Test", startPoint, endPoint, 0);
+        assertEquals(test.getDistance(), 0.1, 1e-8);
+    }
+
+    @Test
+    public void calculateDistanceHandlesZeroDifference() {
+        GPSCoordinate startPoint = new GPSCoordinate(0, 0);
+        GPSCoordinate endPoint = new GPSCoordinate(0, 0);
+        Leg test= new Leg("Test", startPoint, endPoint, 0);
+        assertEquals(test.getDistance(), 0, 1e-8);
+    }
+
+}
diff --git a/src/test/java/seng302/Model/RaceTest.java b/src/test/java/seng302/Model/RaceTest.java
index f448d092..b7a52d3d 100644
--- a/src/test/java/seng302/Model/RaceTest.java
+++ b/src/test/java/seng302/Model/RaceTest.java
@@ -22,31 +22,6 @@ import static org.junit.Assert.assertTrue;
 public class RaceTest {
 
 
-//    @Ignore
-//    @Test
-//    public void singleBoatRaceRunsAndFinishes(){
-//
-//        BoatInRace boat = new BoatInRace("NZ", 240);
-//        ArrayList<BoatInRace> boats = new ArrayList<>();
-//        boats.add(boat);
-//        ArrayList<Leg> legs = new ArrayList<>();
-//        legs.add(new Leg("Start", new GPSCoordinate(0,0), new GPSCoordinate(1,1), 0));
-//        ConstantVelocityRace race = new ConstantVelocityRace(boats, legs);
-//        race.run();
-//    }
-//
-//    @Test
-//    public void fasterBoatFinishesFirst() {
-//        BoatInRace fasterBoat = new BoatInRace("NZ", 2800);
-//        BoatInRace slowerBoat = new BoatInRace("AU", 1800);
-//        BoatInRace[] boats = new BoatInRace[] {slowerBoat, fasterBoat};
-//        Leg leg1 = new Leg("first leg", 1, new GPSCoordinate(0, 0), new GPSCoordinate(3, 4), 0);
-//        ArrayList<Leg>  legs = new ArrayList<>();
-//        legs.add(leg1);
-//        ConstantVelocityRace race = new ConstantVelocityRace(boats, legs);
-//        race.run();
-//    }
-
     @Test
     public void finishOrderDeterminedByVelocity() {
         BoatInRace[] boats = {