diff --git a/apiserver/bll/task/task_bll.py b/apiserver/bll/task/task_bll.py
index d3d69e3..42df3f1 100644
--- a/apiserver/bll/task/task_bll.py
+++ b/apiserver/bll/task/task_bll.py
@@ -327,11 +327,14 @@ class TaskBLL(object):
 
     @staticmethod
     def set_last_update(
-        task_ids: Collection[str], company_id: str, last_update: datetime
+        task_ids: Collection[str], company_id: str, last_update: datetime, **extra_updates
     ):
-        return Task.objects(id__in=task_ids, company=company_id).update(
-            upsert=False, last_update=last_update
-        )
+        tasks = Task.objects(id__in=task_ids, company=company_id).only("status", "started")
+        for task in tasks:
+            updates = extra_updates
+            if task.status == TaskStatus.in_progress and task.started:
+                updates = {"active_duration": (datetime.utcnow() - task.started).total_seconds(), **extra_updates}
+            Task.objects(id=task.id, company=company_id).update(upsert=False, last_update=last_update, **updates)
 
     @staticmethod
     def update_statistics(
@@ -394,8 +397,8 @@ class TaskBLL(object):
             }
             extra_updates["metric_stats"] = metric_stats
 
-        Task.objects(id=task_id, company=company_id).update(
-            upsert=False, last_update=last_update, **extra_updates
+        TaskBLL.set_last_update(
+            task_ids=[task_id], company_id=company_id, last_update=last_update, **extra_updates
         )
 
     @classmethod
diff --git a/apiserver/database/model/task/task.py b/apiserver/database/model/task/task.py
index 630529e..93d081d 100644
--- a/apiserver/database/model/task/task.py
+++ b/apiserver/database/model/task/task.py
@@ -150,6 +150,7 @@ class Task(AttributedDocument):
             "created",
             "started",
             "completed",
+            "active_duration",
             "parent",
             "project",
             ("company", "name"),
@@ -203,6 +204,7 @@ class Task(AttributedDocument):
     started = DateTimeField()
     completed = DateTimeField()
     published = DateTimeField()
+    active_duration = IntField(default=0)
     parent = StringField()
     project = StringField(reference_field=Project, user_set_allowed=True)
     output: Output = EmbeddedDocumentField(Output, default=Output)
diff --git a/apiserver/schema/services/tasks.conf b/apiserver/schema/services/tasks.conf
index 9ae47c7..d088b7d 100644
--- a/apiserver/schema/services/tasks.conf
+++ b/apiserver/schema/services/tasks.conf
@@ -434,6 +434,10 @@ _definitions {
                 type: string
                 format: "date-time"
             }
+            active_duration {
+                description: "Task duration time (seconds)"
+                type: integer
+            }
             parent {
                 description: "Parent task id"
                 type: string