diff --git a/django/test/runner.py b/django/test/runner.py
index 1bfeca03af..8902dea3e0 100644
--- a/django/test/runner.py
+++ b/django/test/runner.py
@@ -439,7 +439,7 @@ def _init_worker(
     used_aliases=None,
 ):
     """
-    Switch to databases dedicated to this worker.
+    Switch to databases dedicated to this worker and run system checks.
 
     This helper lives at module-level because of the multiprocessing module's
     requirements.
@@ -463,6 +463,9 @@ def _init_worker(
             process_setup(*process_setup_args)
         django.setup()
         setup_test_environment(debug=debug_mode)
+        call_command(
+            "check", stdout=io.StringIO(), stderr=io.StringIO(), databases=used_aliases
+        )
 
     db_aliases = used_aliases if used_aliases is not None else connections
     for alias in db_aliases:
diff --git a/tests/test_runner/models.py b/tests/test_runner/models.py
index 80bf8dd8c7..54ec5e2b3d 100644
--- a/tests/test_runner/models.py
+++ b/tests/test_runner/models.py
@@ -6,6 +6,13 @@ class Person(models.Model):
     last_name = models.CharField(max_length=20)
     friends = models.ManyToManyField("self")
 
+    system_check_run_count = 0
+
+    @classmethod
+    def check(cls, *args, **kwargs):
+        cls.system_check_run_count += 1
+        return super().check(**kwargs)
+
 
 # A set of models that use a non-abstract inherited 'through' model.
 class ThroughBase(models.Model):
diff --git a/tests/test_runner/test_parallel.py b/tests/test_runner/test_parallel.py
index 3af0fbf2f9..f344f1a2db 100644
--- a/tests/test_runner/test_parallel.py
+++ b/tests/test_runner/test_parallel.py
@@ -8,6 +8,8 @@ from unittest.suite import TestSuite, _ErrorHolder
 from django.test import SimpleTestCase
 from django.test.runner import ParallelTestSuite, RemoteTestResult
 
+from . import models
+
 try:
     import tblib.pickling_support
 except ImportError:
@@ -48,6 +50,9 @@ class ParallelTestRunnerTest(SimpleTestCase):
             with self.subTest(index=i):
                 self.assertEqual(i, i)
 
+    def test_system_checks(self):
+        self.assertEqual(models.Person.system_check_run_count, 1)
+
 
 class SampleFailingSubtest(SimpleTestCase):
     # This method name doesn't begin with "test" to prevent test discovery