diff --git a/src/main/java/de/pnreichmuth/timekeep_backend/entities/Station.java b/src/main/java/de/pnreichmuth/timekeep_backend/entities/Station.java
index add004a..99a1200 100644
--- a/src/main/java/de/pnreichmuth/timekeep_backend/entities/Station.java
+++ b/src/main/java/de/pnreichmuth/timekeep_backend/entities/Station.java
@@ -1,13 +1,13 @@
 package de.pnreichmuth.timekeep_backend.entities;
 
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import de.pnreichmuth.timekeep_backend.exceptions.TeamExistsException;
+import de.pnreichmuth.timekeep_backend.exceptions.TeamNotFoundException;
+import jakarta.persistence.*;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
-import java.util.UUID;
+import java.time.LocalDate;
+import java.util.*;
 
 @Entity
 @Getter
@@ -21,9 +21,31 @@ public class Station {
     private String location;
     private String passwordHash;
 
+    @ManyToMany(cascade = {CascadeType.DETACH, CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH})
+    @JoinTable(name="team_passed_stations")
+    private Set<Team> passedTeams;
+
+    @ElementCollection
+    private Map<Team, LocalDate> passingTimes;
+
     public Station(String name, String location){
         this.name = name;
         this.location = location;
         this.passwordHash = null;
+        this.passedTeams = new HashSet<>(1);
+        this.passingTimes = new HashMap<>(1);
+    }
+
+    public void teamPassed(Team team){
+        if(!passedTeams.add(team)){
+            throw new TeamExistsException("Team %s was already seen at this Station: %s".formatted(team.getTeamName(), this.location), team);
+        }
+        passingTimes.put(team, LocalDate.now());
+    }
+
+    public void removePassedTeam(Team team){
+        if (!passedTeams.contains(team)) throw new TeamNotFoundException("Team %s was never seen at this station: %s".formatted(team.getTeamName(), this.location));
+        passedTeams.remove(team);
+        passingTimes.remove(team);
     }
 }
\ No newline at end of file