diff --git a/webapp/services/CircuitRankingService.php b/webapp/services/CircuitRankingService.php
index 0507e5fe..7fa58544 100644
--- a/webapp/services/CircuitRankingService.php
+++ b/webapp/services/CircuitRankingService.php
@@ -96,7 +96,12 @@ class CircuitRankingService extends BaseService {
                    'used' => 0
                )
               );
+        $num = 0;
         foreach ($rows as $row) {
+            ++$num;
+            if ($num > 75) {
+                break;
+            }
             SqlHelper::upsert
                 (myself()->_getMysql(''),
                  't_circuit_battle_phase',