diff --git a/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_hicache_pp_kl.py b/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_hicache_pp_kl.py
index 4ee60cc58..9f3da52d3 100644
--- a/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_hicache_pp_kl.py
+++ b/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_hicache_pp_kl.py
@@ -13,7 +13,7 @@ from sglang.test.test_utils import (
     popen_launch_server,
 )
 
-register_cuda_ci(est_time=400, stage="base-c", runner_config="4-gpu-h100")
+register_cuda_ci(est_time=900, stage="base-c", runner_config="4-gpu-h100")
 
 QWEN3_32B_MODEL = "Qwen/Qwen3-32B"
 
diff --git a/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_cp.py b/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_cp.py
index e0c9e4686..0a0ab3184 100644
--- a/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_cp.py
+++ b/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_cp.py
@@ -11,7 +11,7 @@ from sglang.test.test_utils import (
     popen_launch_server,
 )
 
-register_cuda_ci(est_time=400, stage="base-c", runner_config="4-gpu-h100")
+register_cuda_ci(est_time=950, stage="extra-b", runner_config="4-gpu-h100")
 
 QWEN3_30B_MODEL = "Qwen/Qwen3-30B-A3B-FP8"
 
diff --git a/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_dsv4.py b/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_dsv4.py
index 2fb5ce7bd..d83ffb330 100644
--- a/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_dsv4.py
+++ b/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_dsv4.py
@@ -21,7 +21,7 @@ from sglang.test.test_utils import (
 DSV4_FLASH_MODEL = "sgl-project/DeepSeek-V4-Flash-FP8"
 DSV4_FLASH_LAUNCH_TIMEOUT = 3600
 
-register_cuda_ci(est_time=1200, stage="base-c", runner_config="4-gpu-h100")
+register_cuda_ci(est_time=1000, stage="extra-b", runner_config="4-gpu-h100")
 
 
 def _assert_dsv4_decode_cached_tokens(result, history_len, output_len, label):
diff --git a/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_mamba.py b/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_mamba.py
index 969a9653b..a46a7f2ca 100644
--- a/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_mamba.py
+++ b/test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_mamba.py
@@ -20,7 +20,7 @@ from sglang.test.test_utils import (
     popen_launch_server,
 )
 
-register_cuda_ci(est_time=768, stage="base-c", runner_config="4-gpu-h100")
+register_cuda_ci(est_time=800, stage="extra-b", runner_config="4-gpu-h100")
 
 MAMBA_MODEL = "Qwen/Qwen3-Next-80B-A3B-Instruct-FP8"
 MAMBA_CHUNK_SIZE = 64