diff --git a/scripts/train_progressive.py b/scripts/train_progressive.py
index 9b4df04..3d2ce54 100755
--- a/scripts/train_progressive.py
+++ b/scripts/train_progressive.py
@@ -69,6 +69,13 @@ Examples:
         help="Enable DeepSpeed training"
     )
     
+    parser.add_argument(
+        "--local_rank",
+        type=int,
+        default=-1,
+        help="Local rank for distributed training"
+    )
+    
     return parser.parse_args()
 
 
@@ -87,21 +94,32 @@ def load_config(config_path: str) -> dict:
     return config
 
 
-def setup_distributed_training():
+def setup_distributed_training(local_rank=-1):
     """Setup distributed training environment"""
+    import torch
+    
     # Check if we're in a distributed environment
     if "RANK" in os.environ and "WORLD_SIZE" in os.environ:
         import torch.distributed as dist
-        import torch
         
         # Initialize distributed training
         if not dist.is_initialized():
             dist.init_process_group(backend="nccl")
             
-        local_rank = int(os.environ.get("LOCAL_RANK", 0))
-        torch.cuda.set_device(local_rank)
+        # Use local_rank from args or environment
+        if local_rank >= 0:
+            torch.cuda.set_device(local_rank)
+        else:
+            local_rank = int(os.environ.get("LOCAL_RANK", 0))
+            torch.cuda.set_device(local_rank)
         
-        print(f"Distributed training initialized: rank {dist.get_rank()}/{dist.get_world_size()}")
+        print(f"Distributed training initialized: rank {dist.get_rank()}/{dist.get_world_size()}, local_rank {local_rank}")
+        return True
+    
+    # For DeepSpeed, local_rank might be set even without RANK/WORLD_SIZE initially
+    elif local_rank >= 0:
+        torch.cuda.set_device(local_rank)
+        print(f"Set CUDA device to local_rank {local_rank}")
         return True
     
     return False
@@ -113,7 +131,7 @@ def main():
     # Setup distributed training if requested
     is_distributed = False
     if args.distributed or args.deepspeed:
-        is_distributed = setup_distributed_training()
+        is_distributed = setup_distributed_training(args.local_rank)
     
     print("Progressive LLM Training for 松尾研LLMコンペ2025")
     print("=" * 50)