diff --git a/administrator/components/com_scheduler/src/Model/TasksModel.php b/administrator/components/com_scheduler/src/Model/TasksModel.php
index 92bc2780ff135..d42b6879d9687 100644
--- a/administrator/components/com_scheduler/src/Model/TasksModel.php
+++ b/administrator/components/com_scheduler/src/Model/TasksModel.php
@@ -137,6 +137,7 @@ protected function getListQuery(): QueryInterface
                     $db->quoteName('a.priority'),
                     $db->quoteName('a.ordering'),
                     $db->quoteName('a.note'),
+                    $db->quoteName('a.created_by'),
                     $db->quoteName('a.checked_out'),
                     $db->quoteName('a.checked_out_time'),
                 ]
diff --git a/administrator/components/com_scheduler/src/Scheduler/Scheduler.php b/administrator/components/com_scheduler/src/Scheduler/Scheduler.php
index 600d25b2da308..9aa254ed5adec 100644
--- a/administrator/components/com_scheduler/src/Scheduler/Scheduler.php
+++ b/administrator/components/com_scheduler/src/Scheduler/Scheduler.php
@@ -14,6 +14,7 @@
 use Joomla\CMS\Factory;
 use Joomla\CMS\Language\Text;
 use Joomla\CMS\Log\Log;
+use Joomla\CMS\User\User;
 use Joomla\Component\Scheduler\Administrator\Extension\SchedulerComponent;
 use Joomla\Component\Scheduler\Administrator\Model\TaskModel;
 use Joomla\Component\Scheduler\Administrator\Model\TasksModel;
@@ -325,4 +326,31 @@ public function fetchTaskRecords(array $filters, array $listConfig): array
 
         return $model->getItems() ?: [];
     }
+
+    /**
+     * Determine whether a {@see User} is allowed to run a task record. Expects a task as an object from
+     * {@see fetchTaskRecords}.
+     *
+     * @param   object  $taskRecord  The task record to check authorization against.
+     * @param   User    $user        The user to check authorization for.
+     *
+     * @return boolean  True if the user is authorized to run the task.
+     *
+     * @since __DEPLOY_VERSION__
+     */
+    public static function isAuthorizedToRun(object $taskRecord, User $user): bool
+    {
+        /**
+         * We allow the user to run a task if they have the permission or if they created the task & still have the authority
+         * to create tasks.
+         */
+        if (
+            $user->authorise('core.testrun', 'com_scheduler.task.' . $taskRecord->id)
+            || ($user->id == $taskRecord->created_by && $user->authorise('core.create', 'com_scheduler'))
+        ) {
+            return true;
+        }
+
+        return false;
+    }
 }
diff --git a/administrator/components/com_scheduler/tmpl/tasks/default.php b/administrator/components/com_scheduler/tmpl/tasks/default.php
index 60ef2e27c9295..1cb5d49c3d452 100644
--- a/administrator/components/com_scheduler/tmpl/tasks/default.php
+++ b/administrator/components/com_scheduler/tmpl/tasks/default.php
@@ -18,6 +18,7 @@
 use Joomla\CMS\Layout\LayoutHelper;
 use Joomla\CMS\Router\Route;
 use Joomla\CMS\Session\Session;
+use Joomla\Component\Scheduler\Administrator\Scheduler\Scheduler;
 use Joomla\Component\Scheduler\Administrator\Task\Status;
 use Joomla\Component\Scheduler\Administrator\View\Tasks\HtmlView;
 
@@ -257,13 +258,23 @@ class="js-draggable" data-url="<?php echo $saveOrderingUrl; ?>" data-direction="
 
                         <!-- Test task -->
                         <td class="small d-none d-md-table-cell">
-                            <button type="button" class="btn btn-sm btn-warning" <?php echo $item->state < 0 ? 'disabled' : ''; ?>
-                                    data-scheduler-run
-                                    data-id="<?php echo (int) $item->id; ?>" data-title="<?php echo htmlspecialchars($item->title); ?>"
-                                    data-url="<?php echo Route::_('index.php?option=com_ajax&format=json&plugin=RunSchedulerTest&group=system&id=' . (int) $item->id); ?>">
-                                <span class="fa fa-play fa-sm me-2"></span>
-                                <?php echo Text::_('COM_SCHEDULER_TEST_RUN'); ?>
-                            </button>
+                            <div id="run-task-btn-wrapper"
+                                    <?php
+                                    $disabled = ($item->state < 0 || !Scheduler::isAuthorizedToRun($item, $user));
+                                    if ($disabled) :
+                                        $reason = Text::_($item->state < 0 ? "COM_SCHEDULER_MANAGER_TOOLTIP_TASK_TRASHED" : "COM_SCHEDULER_MANAGER_TOOLTIP_NOT_AUTHORIZED");
+                                        echo ' data-toggle="tooltip" data-placement="top" title="' . $reason . '"';
+                                    endif;
+                                    ?>
+                                >
+                                <button type="button" class="btn btn-sm btn-warning" <?php echo $disabled ? 'disabled' : ''; ?>
+                                        data-scheduler-run
+                                        data-id="<?php echo (int) $item->id; ?>" data-title="<?php echo htmlspecialchars($item->title); ?>"
+                                        data-url="<?php echo Route::_('index.php?option=com_ajax&format=json&plugin=RunSchedulerTest&group=system&id=' . (int) $item->id); ?>">
+                                    <span class="fa fa-play fa-sm me-2"></span>
+                                    <?php echo Text::_('COM_SCHEDULER_TEST_RUN'); ?>
+                                </button>
+                            </div>
                         </td>
 
                         <!-- Priority -->
diff --git a/administrator/language/en-GB/com_scheduler.ini b/administrator/language/en-GB/com_scheduler.ini
index f5eee988a7c2c..eedfd73587338 100644
--- a/administrator/language/en-GB/com_scheduler.ini
+++ b/administrator/language/en-GB/com_scheduler.ini
@@ -83,7 +83,9 @@ COM_SCHEDULER_LAST_RUN_DESC="Last Run descending"
 COM_SCHEDULER_MANAGER_TASKS="Scheduled Tasks"
 COM_SCHEDULER_MANAGER_TASK_EDIT="Edit Task"
 COM_SCHEDULER_MANAGER_TASK_NEW="New Task"
+COM_SCHEDULER_MANAGER_TOOLTIP_NOT_AUTHORIZED="Not authorized"
 COM_SCHEDULER_MANAGER_TOOLTIP_TASK_FAILING="Task failed. Exit code: %1$d"
+COM_SCHEDULER_MANAGER_TOOLTIP_TASK_TRASHED="Task has been trashed"
 COM_SCHEDULER_MSG_DUETASKS="There is at least one due task which should have already run. Please make sure that at least one cron scheduler is enabled and running."
 COM_SCHEDULER_MSG_MANAGE_NO_TASK_PLUGINS="There are no task types matching your query."
 COM_SCHEDULER_NEW_TASK="New Task"
diff --git a/plugins/system/schedulerunner/src/Extension/ScheduleRunner.php b/plugins/system/schedulerunner/src/Extension/ScheduleRunner.php
index 65438995db52b..247d67e59b7b7 100644
--- a/plugins/system/schedulerunner/src/Extension/ScheduleRunner.php
+++ b/plugins/system/schedulerunner/src/Extension/ScheduleRunner.php
@@ -233,9 +233,15 @@ public function runTestCron(Event $event)
         $id              = (int) $this->getApplication()->getInput()->getInt('id');
         $allowConcurrent = $this->getApplication()->getInput()->getBool('allowConcurrent', false);
 
-        $user = $this->getApplication()->getIdentity();
+        if (empty($id)) {
+            throw new \Exception($this->getApplication()->getLanguage()->_('JERROR_ALERTNOAUTHOR'), 403);
+        }
+
+        $scheduler  = new Scheduler();
+        $taskRecord = $scheduler->fetchTaskRecord($id, true);
+        $user       = $this->getApplication()->getIdentity();
 
-        if (empty($id) || !$user->authorise('core.testrun', 'com_scheduler.task.' . $id)) {
+        if (empty($taskRecord) || !Scheduler::isAuthorizedToRun($taskRecord, $user)) {
             throw new \Exception($this->getApplication()->getLanguage()->_('JERROR_ALERTNOAUTHOR'), 403);
         }
 
@@ -245,7 +251,7 @@ public function runTestCron(Event $event)
          * We will allow CLI exclusive tasks to be fetched and executed, it's left to routines to do a runtime check
          * if they want to refuse normal operation.
          */
-        $task = (new Scheduler())->getTask(
+        $task = $scheduler->getTask(
             [
                 'id'               => $id,
                 'allowDisabled'    => true,