diff --git a/src/models/responses/ResponseTrackScan.ts b/src/models/responses/ResponseTrackScan.ts
index ffd9ceb..9bbc6f3 100644
--- a/src/models/responses/ResponseTrackScan.ts
+++ b/src/models/responses/ResponseTrackScan.ts
@@ -1,4 +1,4 @@
-import { IsDateString, IsNotEmpty } from "class-validator";
+import { IsDateString, IsNotEmpty, IsNumber } from "class-validator";
 import { TrackScan } from '../entities/TrackScan';
 import { ResponseObjectType } from '../enums/ResponseObjectType';
 import { IResponse } from './IResponse';
@@ -42,6 +42,13 @@ export class ResponseTrackScan extends ResponseScan implements IResponse {
     @IsNotEmpty()
     timestamp: number;
 
+    /**
+   * The scan's lap time.
+   * This simply get's calculated from the last lap time;
+   */
+    @IsNumber()
+    lapTime: number;
+
     /**
      * Creates a ResponseTrackScan object from a scan.
      * @param scan The trackSscan the response shall be build for.
@@ -53,5 +60,6 @@ export class ResponseTrackScan extends ResponseScan implements IResponse {
         if (scan.station) { scan.station.toResponse(); }
         this.timestamp = scan.timestamp;
         this.distance = scan.distance;
+        this.lapTime = scan.lapTime;
     }
 }