diff --git a/management/commands/_import_utils.py b/management/commands/_import_utils.py
index 731048c..eb9c8b5 100644
--- a/management/commands/_import_utils.py
+++ b/management/commands/_import_utils.py
@@ -1,6 +1,8 @@
 #!/usr/bin/env python3
 
 import json
+import time
+from collections import defaultdict
 
 from django.core.management.base import BaseCommand
 from collections import defaultdict
@@ -10,6 +12,20 @@ from django.db import transaction
 from polymorphic.models import PolymorphicModel
 
 
+def timed(method):
+    """"
+    A simple decorator to measure time elapsed in class function (hence the args[0])
+    """
+    def _timed(*args, **kw):
+        ts = time.time()
+        result = method(*args, **kw)
+        te = time.time()
+        args[0].print_success(f"{method.__name__} executed ({te-ts:.2f}s)")
+        return result
+
+    return _timed
+
+
 class ImportCommand(BaseCommand):
     """
     Generic command for import of NK15 database
diff --git a/management/commands/import_account.py b/management/commands/import_account.py
index c7db885..53c01f8 100644
--- a/management/commands/import_account.py
+++ b/management/commands/import_account.py
@@ -15,7 +15,7 @@ from note.models import Note, NoteUser, NoteClub
 from note.models import Alias
 from member.models import Club, Profile
 
-from ._import_utils import ImportCommand, BulkCreateManager
+from ._import_utils import ImportCommand, BulkCreateManager, timed
 
 M_DURATION = 396
 M_START = datetime.date(2019, 8, 31)
@@ -44,6 +44,8 @@ class Command(ImportCommand):
     def add_arguments(self, parser):
         parser.add_argument('-a', '--alias', action='store_true', help="import alias")
 
+
+    @timed
     @transaction.atomic
     def import_account(self, cur, chunk_size):
         """
@@ -157,6 +159,7 @@ class Command(ImportCommand):
         bulk_mgr.done()
         self.print_success("comptes table imported")
 
+    @timed
     def import_alias(self, cur, chunk_size):
         """
         Import Alias from nk15
diff --git a/management/commands/import_activities.py b/management/commands/import_activities.py
index 04f5268..74fdb94 100644
--- a/management/commands/import_activities.py
+++ b/management/commands/import_activities.py
@@ -22,7 +22,7 @@ class Command(ImportCommand):
 
     def add_arguments(self, parser):
         pass
-   
+    @timed
     @transaction.atomic
     def import_activities(self, cur, chunk_size):
         cur.execute("SELECT * FROM activites ORDER by id")
@@ -58,6 +58,7 @@ class Command(ImportCommand):
         bulk_mgr.done()
         return MAP_IDACTIVITY, MAP_NAMEACTIVITY
 
+    @timed
     @transaction.atomic
     def import_activity_entries(cur):
         bulk_mgr = BulkCreateManager()