Ending a Thread Loop

Question

Hello i'm trying to finish this program but the problem is it doesn't end at 100. I'm trying to make the program end when the first animal reach 100 in the position instance, but it continues to finish the thread. How can i end the program when the first thread reaches 100?
import java.util.Random;
    public class Animal extends Thread implements Runnable{
      private String name;
      private int position;
      private int speed;
      private int restMax;
      public static boolean winner = false;
      Random random = new Random();
       public Animal (String name, int position, int speed,int restMax){
         this.name = name;
         this.position = position;
         this.speed = speed;
         this.restMax = restMax;
       public void run(){
         try{
            while(winner == false){
               if (position < 100){
                  Thread.sleep(random.nextInt(restMax));
                  position += speed ;
                  System.out.println(name+" is in "+ position+" position ");
                  if (position == 100){
                     winner = true;
             catch(InterruptedException e){
       public static void main(String[] args){
         Animal rabbit = new Animal("trix", 0, 5, 150);
         Animal turtle = new Animal("maury",0, 3, 10);
         rabbit.start();
         turtle.start();
   }

Answer 1

try the code below
import java.util.Random;
public class Animal extends Thread implements Runnable
     private String name;
     private static int position;
     private int speed;
     private int restMax;
     public static boolean winner = false;
     Random random = new Random();
     public Animal (String name, int position, int speed,int restMax)
          this.name = name;
          this.position = position;
          this.speed = speed;
          this.restMax = restMax;
     public void run()
          try
               while(winner == false)
                    if ((position+speed) > 99)
                              winner = true;
                              System.exit(0);
                    if (position < 100)
                         Thread.sleep(random.nextInt(restMax));
                         position += speed ;
                         System.out.println(name+" is in "+ position+" position ");
          catch(InterruptedException e)
     public static void main(String[] args)
          Animal rabbit = new Animal("trix", 0, 5, 150);
          Animal turtle = new Animal("maury",0, 3, 10);
          Animal ant = new Animal("anto",0, 7, 50);
          rabbit.start();
          turtle.start();
          ant.start();