diff --git a/src/main/java/de/pnreichmuth/timekeep_backend/exceptions/RacerExistsException.java b/src/main/java/de/pnreichmuth/timekeep_backend/exceptions/RacerExistsException.java
new file mode 100644
index 0000000..fd01cb2
--- /dev/null
+++ b/src/main/java/de/pnreichmuth/timekeep_backend/exceptions/RacerExistsException.java
@@ -0,0 +1,13 @@
+package de.pnreichmuth.timekeep_backend.exceptions;
+
+import de.pnreichmuth.timekeep_backend.entities.Racer;
+import de.pnreichmuth.timekeep_backend.entities.Team;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+public class RacerExistsException extends RuntimeException {
+    public RacerExistsException(String message, Racer racer) {
+        super(message);
+        log.warn(message, racer.getFirstName(), racer.getLastName());
+    }
+}
diff --git a/src/main/java/de/pnreichmuth/timekeep_backend/services/RacerService.java b/src/main/java/de/pnreichmuth/timekeep_backend/services/RacerService.java
index 8537638..47de49b 100644
--- a/src/main/java/de/pnreichmuth/timekeep_backend/services/RacerService.java
+++ b/src/main/java/de/pnreichmuth/timekeep_backend/services/RacerService.java
@@ -1,6 +1,7 @@
 package de.pnreichmuth.timekeep_backend.services;
 
 import de.pnreichmuth.timekeep_backend.entities.Racer;
+import de.pnreichmuth.timekeep_backend.exceptions.RacerExistsException;
 import de.pnreichmuth.timekeep_backend.exceptions.RacerNotFoundException;
 import de.pnreichmuth.timekeep_backend.exceptions.TeamNotFoundException;
 import de.pnreichmuth.timekeep_backend.repositories.RacerRepository;