diff --git a/src/UE19_220425_Threads/SEW3 UE19 2024 Threads.pdf b/src/UE19_220425_Threads1/SEW3 UE19 2024 Threads.pdf
similarity index 100%
rename from src/UE19_220425_Threads/SEW3 UE19 2024 Threads.pdf
rename to src/UE19_220425_Threads1/SEW3 UE19 2024 Threads.pdf
diff --git a/src/UE19_220425_Threads/TH_THREADS.pdf b/src/UE19_220425_Threads1/TH_THREADS.pdf
similarity index 100%
rename from src/UE19_220425_Threads/TH_THREADS.pdf
rename to src/UE19_220425_Threads1/TH_THREADS.pdf
diff --git a/src/UE19_220425_Threads/nothread/Main.java b/src/UE19_220425_Threads1/nothread/Main.java
similarity index 97%
rename from src/UE19_220425_Threads/nothread/Main.java
rename to src/UE19_220425_Threads1/nothread/Main.java
index c6b4848..7e0b2a5 100644
--- a/src/UE19_220425_Threads/nothread/Main.java
+++ b/src/UE19_220425_Threads1/nothread/Main.java
@@ -1,4 +1,4 @@
-package UE19_220425_Threads.nothread;
+package UE19_220425_Threads1.nothread;
 
 public class Main {
     public static void main(String[] args) {
diff --git a/src/UE19_220425_Threads/reallyParallel/Main.java b/src/UE19_220425_Threads1/reallyParallel/Main.java
similarity index 97%
rename from src/UE19_220425_Threads/reallyParallel/Main.java
rename to src/UE19_220425_Threads1/reallyParallel/Main.java
index c5e1aec..3a0716d 100644
--- a/src/UE19_220425_Threads/reallyParallel/Main.java
+++ b/src/UE19_220425_Threads1/reallyParallel/Main.java
@@ -1,4 +1,4 @@
-package UE19_220425_Threads.reallyParallel;
+package UE19_220425_Threads1.reallyParallel;
 
 public class Main {
     public static void main(String[] args) {
diff --git a/src/UE19_220425_Threads/runnable/Main.java b/src/UE19_220425_Threads1/runnable/Main.java
similarity index 97%
rename from src/UE19_220425_Threads/runnable/Main.java
rename to src/UE19_220425_Threads1/runnable/Main.java
index 8be1e9f..e27a015 100644
--- a/src/UE19_220425_Threads/runnable/Main.java
+++ b/src/UE19_220425_Threads1/runnable/Main.java
@@ -1,4 +1,4 @@
-package UE19_220425_Threads.runnable;
+package UE19_220425_Threads1.runnable;
 
 public class Main {
     public static void main(String[] args) {
diff --git a/src/UE19_220425_Threads/thread/Main.java b/src/UE19_220425_Threads1/thread/Main.java
similarity index 97%
rename from src/UE19_220425_Threads/thread/Main.java
rename to src/UE19_220425_Threads1/thread/Main.java
index 889b91c..c60f041 100644
--- a/src/UE19_220425_Threads/thread/Main.java
+++ b/src/UE19_220425_Threads1/thread/Main.java
@@ -1,4 +1,4 @@
-package UE19_220425_Threads.thread;
+package UE19_220425_Threads1.thread;
 
 public class Main {
     public static void main(String[] args) {
diff --git a/src/UE19_220425_Threads/thread_right/Main.java b/src/UE19_220425_Threads1/thread_right/Main.java
similarity index 97%
rename from src/UE19_220425_Threads/thread_right/Main.java
rename to src/UE19_220425_Threads1/thread_right/Main.java
index 580a32b..21eb108 100644
--- a/src/UE19_220425_Threads/thread_right/Main.java
+++ b/src/UE19_220425_Threads1/thread_right/Main.java
@@ -1,4 +1,4 @@
-package UE19_220425_Threads.thread_right;
+package UE19_220425_Threads1.thread_right;
 
 public class Main {
     public static void main(String[] args) {
diff --git a/src/UE20_290425_Threads2/Pferderennen.java b/src/UE20_290425_Threads2/Pferderennen.java
new file mode 100644
index 0000000..abd5703
--- /dev/null
+++ b/src/UE20_290425_Threads2/Pferderennen.java
@@ -0,0 +1,119 @@
+package UE20_290425_Threads2;
+
+import javafx.application.Application;
+import javafx.geometry.Insets;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.control.ProgressBar;
+import javafx.scene.control.TextArea;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.VBox;
+import javafx.stage.Stage;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Pferderennen extends Application {
+    private static final ArrayList<ProgressBar> bars = new ArrayList<>();
+    private static final int maxSleepTime = 10;
+    private static final int maxStepSize = 10;
+    private static final List<Double> horses = new ArrayList<>();
+    private static boolean lock = false;
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+
+    private static void startRace() {
+//        ArrayList<Thread>
+    }
+
+    private static void endRace() {
+        lock = false;
+    }
+
+    public static int random(int max) {
+        return (int) (Math.random() * max + 1);
+    }
+
+    private synchronized void addToHorse(int horseIndex) {
+        int step = random(maxStepSize);
+        int sleep = random(maxSleepTime);
+        horses.set(horseIndex, horses.get(horseIndex) + step);
+        try {
+            Thread.sleep(sleep);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public void start(Stage stage) throws Exception {
+        BorderPane backPane = new BorderPane();
+
+        Label titel = new Label("Pferderennen - mit Threads");
+//        titel.setStyle("-fx-font-size: 16px;");
+        backPane.setTop(titel);
+//        BorderPane.setAlignment(titel, CENTER);
+
+        // Links: VBox mit zwei Buttons (+ / -)
+        VBox button_box = new VBox(10);
+//        button_box.setPadding(new Insets(10));
+        Button button_plus = new Button("+");
+        Button button_minus = new Button("-");
+        button_box.getChildren().addAll(button_plus, button_minus);
+        backPane.setLeft(button_box);
+
+        // Rechts: Start-Button
+        Button button_start = new Button("Start");
+        VBox start_box = new VBox(button_start);
+        start_box.setPadding(new Insets(10));
+//        start_box.setSpacing(10);
+        backPane.setRight(start_box);
+//        VBox.setMargin(button_start, new Insets(5));
+
+        TextArea textArea = new TextArea();
+        textArea.setPrefRowCount(10);
+        textArea.setEditable(false);
+        backPane.setBottom(textArea);
+
+        VBox horse_bars = new VBox(10);
+
+        for (ProgressBar bar : bars) horse_bars.getChildren().add(bar);
+
+        backPane.setCenter(horse_bars);
+
+        button_plus.setOnAction(_ -> {
+            if (lock) {
+                textArea.appendText("Please wait for the race to finish\n");
+                return;
+            }
+            ProgressBar bar = new ProgressBar(0);
+            bar.setMaxWidth(Double.MAX_VALUE);
+            bars.add(bar);
+            horse_bars.getChildren().add(bar);
+            textArea.appendText("Adding " + bars.size() + " Bars\n");
+        });
+        button_minus.setOnAction(_ -> {
+            if (lock) {
+                textArea.appendText("Please wait for the race to finish\n");
+                return;
+            }
+            if (!bars.isEmpty()) {
+                horse_bars.getChildren().remove(bars.removeLast());
+                textArea.appendText("Adding " + bars.size() + " Bars\n");
+            }
+        });
+        button_start.setOnAction(_ -> {
+            lock = true;
+            startRace();
+        });
+
+        // Scene und Stage
+        Scene scene = new Scene(backPane, 600, 400);
+        stage.setTitle("Pferderennen");
+        stage.setScene(scene);
+        stage.show();
+    }
+}
diff --git a/src/UE20_290425_Threads2/SEW3 UE20 2024 Pferderennen.pdf b/src/UE20_290425_Threads2/SEW3 UE20 2024 Pferderennen.pdf
new file mode 100644
index 0000000..c0eaf92
Binary files /dev/null and b/src/UE20_290425_Threads2/SEW3 UE20 2024 Pferderennen.pdf differ
diff --git a/src/UE20_290425_Threads2/horse.java b/src/UE20_290425_Threads2/horse.java
new file mode 100644
index 0000000..ab6ff5f
--- /dev/null
+++ b/src/UE20_290425_Threads2/horse.java
@@ -0,0 +1,5 @@
+package UE20_290425_Threads2;
+
+public class horse {
+
+}