diff --git a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/Maneuver.java b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/Maneuver.java
new file mode 100755
index 00000000000..9fd66f9dd6c
--- /dev/null
+++ b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/Maneuver.java
@@ -0,0 +1,22 @@
+package com.sap.sailing.domain.tracking;
+
+import com.sap.sailing.domain.base.SpeedWithBearing;
+import com.sap.sailing.domain.base.Timed;
+
+public interface Maneuver extends Timed, Positioned {
+    enum Type { HEAD_UP, BEAR_AWAY, TACK, JIBE, PENALTY_CIRCLE }
+    
+    Type getType();
+    
+    SpeedWithBearing getSpeedWithBearingBefore();
+    
+    SpeedWithBearing getSpeedWithBearingAfter();
+    
+    /**
+     * This assumes that a maneuver usually slows a boat down. This method tries to find out how long
+     * after the {@link #getTimePoint() time of the maneuver} it took for the boat to reach a roughly
+     * constant speed again.
+     */
+    long getTimeInMillisecondsUntilBackToConstantSpeed();
+    
+}
diff --git a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/DynamicTrackedRaceImpl.java b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/DynamicTrackedRaceImpl.java
index 2e21ea459fb..e75014c21ee 100755
--- a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/DynamicTrackedRaceImpl.java
+++ b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/DynamicTrackedRaceImpl.java
@@ -3,7 +3,6 @@ package com.sap.sailing.domain.tracking.impl;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
-import java.util.List;
 import java.util.NavigableSet;
 import java.util.Set;
 import java.util.logging.Level;
@@ -11,12 +10,10 @@ import java.util.logging.Logger;
 
 import com.sap.sailing.domain.base.Buoy;
 import com.sap.sailing.domain.base.Competitor;
-import com.sap.sailing.domain.base.Distance;
 import com.sap.sailing.domain.base.Leg;
 import com.sap.sailing.domain.base.RaceDefinition;
 import com.sap.sailing.domain.base.TimePoint;
 import com.sap.sailing.domain.base.Waypoint;
-import com.sap.sailing.domain.base.impl.DouglasPeucker;
 import com.sap.sailing.domain.base.impl.MillisecondsTimePoint;
 import com.sap.sailing.domain.tracking.DynamicGPSFixTrack;
 import com.sap.sailing.domain.tracking.DynamicTrackedEvent;
@@ -284,9 +281,4 @@ public class DynamicTrackedRaceImpl extends TrackedRaceImpl implements
         return (DynamicTrackedEvent) super.getTrackedEvent();
     }
 
-    @Override
-    public List<GPSFixMoving> approximate(Competitor competitor, Distance maxDistance, TimePoint from, TimePoint to) {
-        DouglasPeucker<Competitor, GPSFixMoving> douglasPeucker = new DouglasPeucker<Competitor, GPSFixMoving>(getTrack(competitor)); 
-        return douglasPeucker.approximate(maxDistance, from, to);
-    }
 }
diff --git a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/ManeuverImpl.java b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/ManeuverImpl.java
new file mode 100755
index 00000000000..bbd8f8bfb52
--- /dev/null
+++ b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/ManeuverImpl.java
@@ -0,0 +1,57 @@
+package com.sap.sailing.domain.tracking.impl;
+
+import com.sap.sailing.domain.base.Position;
+import com.sap.sailing.domain.base.SpeedWithBearing;
+import com.sap.sailing.domain.base.TimePoint;
+import com.sap.sailing.domain.tracking.Maneuver;
+
+public class ManeuverImpl implements Maneuver {
+    private final Type type;
+    private final Position position;
+    private final TimePoint timePoint;
+    private final SpeedWithBearing speedWithBearingBefore;
+    private final SpeedWithBearing speedWithBearingAfter;
+    private final long timeInMillisecondsUntilBackToConstantSpeed;
+
+    public ManeuverImpl(Type type, Position position, TimePoint timePoint, SpeedWithBearing speedWithBearingBefore,
+            SpeedWithBearing speedWithBearingAfter, long timeInMillisecondsUntilBackToConstantSpeed) {
+        super();
+        this.type = type;
+        this.position = position;
+        this.timePoint = timePoint;
+        this.speedWithBearingBefore = speedWithBearingBefore;
+        this.speedWithBearingAfter = speedWithBearingAfter;
+        this.timeInMillisecondsUntilBackToConstantSpeed = timeInMillisecondsUntilBackToConstantSpeed;
+    }
+    
+    @Override
+    public long getTimeInMillisecondsUntilBackToConstantSpeed() {
+        return timeInMillisecondsUntilBackToConstantSpeed;
+    }
+
+    @Override
+    public Type getType() {
+        return type;
+    }
+
+    @Override
+    public Position getPosition() {
+        return position;
+    }
+
+    @Override
+    public TimePoint getTimePoint() {
+        return timePoint;
+    }
+
+    @Override
+    public SpeedWithBearing getSpeedWithBearingBefore() {
+        return speedWithBearingBefore;
+    }
+
+    @Override
+    public SpeedWithBearing getSpeedWithBearingAfter() {
+        return speedWithBearingAfter;
+    }
+
+}
diff --git a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/TrackedRaceImpl.java b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/TrackedRaceImpl.java
index 450d5274013..e1d0526ecac 100755
--- a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/TrackedRaceImpl.java
+++ b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/TrackedRaceImpl.java
@@ -23,6 +23,7 @@ import com.sap.sailing.domain.base.Tack;
 import com.sap.sailing.domain.base.TimePoint;
 import com.sap.sailing.domain.base.Waypoint;
 import com.sap.sailing.domain.base.impl.DegreeBearingImpl;
+import com.sap.sailing.domain.base.impl.DouglasPeucker;
 import com.sap.sailing.domain.base.impl.KnotSpeedWithBearingImpl;
 import com.sap.sailing.domain.base.impl.MillisecondsTimePoint;
 import com.sap.sailing.domain.tracking.GPSFix;
@@ -633,4 +634,10 @@ public abstract class TrackedRaceImpl implements TrackedRace, CourseListener {
     public String toString() {
         return "TrackedRace for "+getRace();
     }
+
+    @Override
+    public List<GPSFixMoving> approximate(Competitor competitor, Distance maxDistance, TimePoint from, TimePoint to) {
+        DouglasPeucker<Competitor, GPSFixMoving> douglasPeucker = new DouglasPeucker<Competitor, GPSFixMoving>(getTrack(competitor)); 
+        return douglasPeucker.approximate(maxDistance, from, to);
+    }
 }