diff --git a/src/models/entities/RunnerCard.ts b/src/models/entities/RunnerCard.ts
index 4ea40e2..25ce61c 100644
--- a/src/models/entities/RunnerCard.ts
+++ b/src/models/entities/RunnerCard.ts
@@ -7,6 +7,7 @@ import {
   IsString
 } from "class-validator";
 import { Column, Entity, ManyToOne, OneToMany, PrimaryGeneratedColumn } from "typeorm";
+import { ResponseRunnerCard } from '../responses/ResponseRunnerCard';
 import { Runner } from "./Runner";
 import { TrackScan } from "./TrackScan";
 
@@ -62,6 +63,6 @@ export class RunnerCard {
    * Turns this entity into it's response class.
    */
   public toResponse() {
-    return new Error("NotImplemented");
+    return new ResponseRunnerCard(this);
   }
 }
diff --git a/src/models/responses/ResponseRunnerCard.ts b/src/models/responses/ResponseRunnerCard.ts
new file mode 100644
index 0000000..94c7148
--- /dev/null
+++ b/src/models/responses/ResponseRunnerCard.ts
@@ -0,0 +1,47 @@
+import { IsBoolean, IsEAN, IsInt, IsNotEmpty, IsObject, IsString } from "class-validator";
+import { RunnerCard } from '../entities/RunnerCard';
+import { ResponseRunner } from './ResponseRunner';
+
+/**
+ * Defines the runner card response.
+*/
+export class ResponseRunnerCard {
+    /**
+     * The card's id.
+     */
+    @IsInt()
+    id: number;;
+
+    /**
+     * The card's associated runner.
+     * This is important to link scans to runners.
+     */
+    @IsObject()
+    runner: ResponseRunner;
+
+    /**
+     * The card's code.
+     */
+    @IsEAN()
+    @IsString()
+    @IsNotEmpty()
+    code: string;
+
+    /**
+     * Is the enabled valid (for fraud reasons).
+     * The determination of validity will work differently for every child class.
+     */
+    @IsBoolean()
+    enabled: boolean = true;
+
+    /**
+     * Creates a ResponseRunnerCard object from a runner card.
+     * @param card The card the response shall be build for.
+     */
+    public constructor(card: RunnerCard) {
+        this.id = card.id;
+        this.runner = card.runner.toResponse() || null;
+        this.code = card.code;
+        this.enabled = card.enabled;
+    }
+}