diff --git a/TypeScript/test/jest/gilded-rose.spec.ts b/TypeScript/test/jest/gilded-rose.spec.ts
index 4765d926..7eff30d1 100644
--- a/TypeScript/test/jest/gilded-rose.spec.ts
+++ b/TypeScript/test/jest/gilded-rose.spec.ts
@@ -3,11 +3,21 @@ import { Item, GildedRose } from '@/gilded-rose';
 describe('Gilded Rose', () => {
   it('should foo', () => {
     const gildedRose = new GildedRose([new Item('foo', 0, 0)]);
-    const startTime = performance.now();
-    const items = gildedRose.updateQuality();
-    const endTime = performance.now();
+    const execTimes: number[] = [];
+    for (let i = 0; i < 100; i++) {
+      const startTime = performance.now();
+      const items = gildedRose.updateQuality();
+      const endTime = performance.now();
 
-    console.log('Execution time: ' + (endTime - startTime) + 'ms');
-    expect(items[0].name).toBe('foo');
+      const execTime = endTime - startTime;
+      execTimes.push(execTime);
+
+      console.log('Execution time: ' + (execTime) + 'ms');
+      expect(items[0].name).toBe('foo');
+    }
+
+    const avgExecTime = execTimes.reduce((acc, curr) => acc + curr, 0) / execTimes.length;
+    console.log('Average execution time: ' + avgExecTime + 'ms');
   });
 });
+