diff --git a/ui/sdk/src/hamilton_sdk/tracking/utils.py b/ui/sdk/src/hamilton_sdk/tracking/utils.py
index 6c4eab685..b0e515d8a 100644
--- a/ui/sdk/src/hamilton_sdk/tracking/utils.py
+++ b/ui/sdk/src/hamilton_sdk/tracking/utils.py
@@ -48,6 +48,8 @@ def make_json_safe(item: Union[dict, list, str, float, int, bool]) -> Any:
         # we convert to json string and then deserialize it so that
         # it's not a string in the UI.
         try:
+            if hasattr(item, "head"):
+                item = item.head()  # truncate to head rows if it's a dataframe
             return json.loads(item.to_json())
         except Exception:
             # pass
diff --git a/ui/sdk/tests/tracking/test_utils.py b/ui/sdk/tests/tracking/test_utils.py
index 6f522a4aa..eb85d52be 100644
--- a/ui/sdk/tests/tracking/test_utils.py
+++ b/ui/sdk/tests/tracking/test_utils.py
@@ -139,7 +139,7 @@ def test_make_json_safe_with_pandas_series():
         "1642291200000": 50,
         "1642896000000": 100,
         "1643500800000": 200,
-        "1644105600000": 400,
+        # "1644105600000": 400, -- skipped due to `.head()` being called
     }