diff --git a/ultralytics/yolo/engine/trainer.py b/ultralytics/yolo/engine/trainer.py
index e4925b3..144be9c 100644
--- a/ultralytics/yolo/engine/trainer.py
+++ b/ultralytics/yolo/engine/trainer.py
@@ -197,10 +197,11 @@ class BaseTrainer:
         self.device = torch.device('cuda', RANK)
         LOGGER.info(f'DDP info: RANK {RANK}, WORLD_SIZE {world_size}, DEVICE {self.device}')
         os.environ['NCCL_BLOCKING_WAIT'] = '1'  # set to enforce timeout
-        dist.init_process_group('nccl' if dist.is_nccl_available() else 'gloo',
-                                timeout=timedelta(seconds=3600),
-                                rank=RANK,
-                                world_size=world_size)
+        dist.init_process_group(
+            'nccl' if dist.is_nccl_available() else 'gloo',
+            timeout=timedelta(seconds=10800),  # 3 hours
+            rank=RANK,
+            world_size=world_size)
 
     def _setup_train(self, world_size):
         """