diff --git a/src/applications/badges/controller/PhabricatorBadgesEditRecipientsController.php b/src/applications/badges/controller/PhabricatorBadgesEditRecipientsController.php
--- a/src/applications/badges/controller/PhabricatorBadgesEditRecipientsController.php
+++ b/src/applications/badges/controller/PhabricatorBadgesEditRecipientsController.php
@@ -23,8 +23,6 @@
     }
 
     $view_uri = $this->getApplicationURI('recipients/'.$badge->getID().'/');
-    $awards = $badge->getAwards();
-    $recipient_phids = mpull($awards, 'getRecipientPHID');
 
     if ($request->isFormPost()) {
       $award_phids = array();
@@ -52,17 +50,6 @@
         ->setURI($view_uri);
     }
 
-    $recipient_phids = array_reverse($recipient_phids);
-    $handles = $this->loadViewerHandles($recipient_phids);
-
-    $state = array();
-    foreach ($handles as $handle) {
-      $state[] = array(
-        'phid' => $handle->getPHID(),
-        'name' => $handle->getFullName(),
-      );
-    }
-
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $badge,
diff --git a/src/applications/badges/controller/PhabricatorBadgesRecipientsController.php b/src/applications/badges/controller/PhabricatorBadgesRecipientsController.php
--- a/src/applications/badges/controller/PhabricatorBadgesRecipientsController.php
+++ b/src/applications/badges/controller/PhabricatorBadgesRecipientsController.php
@@ -15,6 +15,7 @@
       ->setViewer($viewer)
       ->withIDs(array($id))
       ->needRecipients(true)
+      ->setRecipientLimit(250)
       ->executeOne();
     if (!$badge) {
       return new Aphront404Response();
diff --git a/src/applications/badges/controller/PhabricatorBadgesRemoveRecipientsController.php b/src/applications/badges/controller/PhabricatorBadgesRemoveRecipientsController.php
--- a/src/applications/badges/controller/PhabricatorBadgesRemoveRecipientsController.php
+++ b/src/applications/badges/controller/PhabricatorBadgesRemoveRecipientsController.php
@@ -21,14 +21,7 @@
       return new Aphront404Response();
     }
 
-    $awards = $badge->getAwards();
-    $recipient_phids = mpull($awards, 'getRecipientPHID');
     $remove_phid = $request->getStr('phid');
-
-    if (!in_array($remove_phid, $recipient_phids)) {
-      return new Aphront404Response();
-    }
-
     $view_uri = $this->getApplicationURI('recipients/'.$badge->getID().'/');
 
     if ($request->isFormPost()) {
diff --git a/src/applications/badges/query/PhabricatorBadgesQuery.php b/src/applications/badges/query/PhabricatorBadgesQuery.php
--- a/src/applications/badges/query/PhabricatorBadgesQuery.php
+++ b/src/applications/badges/query/PhabricatorBadgesQuery.php
@@ -8,6 +8,7 @@
   private $qualities;
   private $statuses;
   private $recipientPHIDs;
+  private $recipientLimit = 0;
 
   private $needRecipients;
 
@@ -47,6 +48,11 @@
     return $this;
   }
 
+  public function setRecipientLimit($limit) {
+    $this->recipientLimit = $limit;
+    return $this;
+  }
+
   protected function loadPage() {
     return $this->loadStandardPage($this->newResultObject());
   }
@@ -64,6 +70,7 @@
       $query = id(new PhabricatorBadgesAwardQuery())
         ->setViewer($this->getViewer())
         ->withBadgePHIDs(mpull($badges, 'getPHID'))
+        ->setLimit($this->recipientLimit)
         ->execute();
 
       $awards = mgroup($query, 'getBadgePHID');
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeAwardTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeAwardTransaction.php
--- a/src/applications/badges/xaction/PhabricatorBadgesBadgeAwardTransaction.php
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeAwardTransaction.php
@@ -71,6 +71,7 @@
       }
 
       foreach ($user_phids as $user_phid) {
+        // Check if a valid user
         $user = id(new PhabricatorPeopleQuery())
           ->setViewer($this->getActor())
           ->withPHIDs(array($user_phid))
@@ -81,6 +82,19 @@
               'Recipient PHID "%s" is not a valid user PHID.',
               $user_phid));
         }
+
+        // Check if already awarded
+        $award = id(new PhabricatorBadgesAwardQuery())
+          ->setViewer($this->getActor())
+          ->withRecipientPHIDs(array($user_phid))
+          ->withBadgePHIDs(array($object->getPHID()))
+          ->executeOne();
+        if ($award) {
+          $errors[] = $this->newInvalidError(
+            pht(
+              '%s has already been awarded this badge.',
+              $user->getUsername()));
+        }
       }
     }