diff --git a/.env b/.env
index ed56af1..51e9b24 100644
--- a/.env
+++ b/.env
@@ -18,6 +18,6 @@ DJANGO_SUPERUSER_USERNAME=admin
 DJANGO_SUPERUSER_EMAIL=admin@mail.com
 
 
-LOCUST_USER_PASSWORD=locustpass
-LOCUST_USER_USERNAME=locustuser
+LOCUST_USER_PASSWORD=xalami123
+LOCUST_USER_USERNAME=koko
 LOCUST_USER_EMAIL=locustuser@mail.com
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 346da44..98aeebd 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -32,3 +32,5 @@ urllib3==2.2.2
 validators==0.33.0
 win32-setctime==1.1.0
 djangorestframework-simplejwt==5.3.1
+locust==2.33.2
+python-dotenv==1.0.0
\ No newline at end of file
diff --git a/backend/tests/locustfile.py b/backend/tests/locustfile.py
new file mode 100644
index 0000000..a730c65
--- /dev/null
+++ b/backend/tests/locustfile.py
@@ -0,0 +1,45 @@
+import os
+from locust import HttpUser, task, between
+from datetime import datetime, timezone
+from dotenv import load_dotenv
+load_dotenv() # load variables from .env file when running locust command locally
+
+class SecFitUser(HttpUser):
+    host = "http://tdt4242-23.idi.ntnu.no"  # Match Django backend
+    wait_time = between(10, 10.5)
+    token = None  # Store authentication token
+    exercise_url = None  # Store existing exercise URL
+
+ 
+    workout_num = "1"
+
+    def on_start(self):
+        
+        response = self.client.post("/api/token/", json={"username": os.environ.get("LOCUST_USER_USERNAME") , "password": os.environ.get("LOCUST_USER_PASSWORD")})
+        if response.status_code == 200:
+            self.token = response.json().get("access")
+            if self.token:
+                self.client.headers.update({"Authorization": f"Bearer {self.token}"})
+            else:
+                print("\nFailed to retrieve token from response.")
+        else:
+            print("\nFailed to authenticate. Response:", response.json())
+
+    @task
+    def update_workout(self):
+        """Updates the first workout"""
+        new_date = datetime.now(timezone.utc).isoformat()
+        workout = {
+            "url": self.host + "/api/workouts/" + self.workout_num + "/",
+            "name": "My Great Workout",
+            "date": new_date,
+            "notes": "Great workout!",
+            "exercise_instances": []
+        }
+
+        headers = {"Authorization": f"Bearer {self.token}"} if hasattr(self, "token") else {}
+        workout_response = self.client.put("/api/workouts/" + self.workout_num + "/", json=workout, headers=headers)
+        if workout_response.status_code == 200:
+            print("\nUpdate OK")
+        else:
+            print("\nError when updating workout")