diff --git a/src/garmin_coach_clone/sync_service.py b/src/garmin_coach_clone/sync_service.py
index 297a854..3e807d8 100644
--- a/src/garmin_coach_clone/sync_service.py
+++ b/src/garmin_coach_clone/sync_service.py
@@ -272,6 +272,7 @@ class SyncService:
         elif action == "recreate_missing":
             for scheduled_id in stale_scheduled_ids:
                 client.unschedule_workout(scheduled_id)
+            self._delete_date_marker_workouts(client, target_date)
 
         upload_result = client.upload_workout(payload)
         workout_id = upload_result.get("workoutId") or upload_result.get("id")
@@ -388,6 +389,18 @@ class SyncService:
         if self.settings.delete_old_clones and mapping.get("clone_workout_id"):
             client.delete_workout(str(mapping["clone_workout_id"]))
 
+    def _delete_date_marker_workouts(self, client: Any, target_date: date) -> list[str]:
+        deleted: list[str] = []
+        for workout in existing_clone_workouts(
+            client.get_workouts(limit=100), target_date, self.settings.clone_prefix
+        ):
+            workout_id = _workout_id(workout)
+            if workout_id is None:
+                continue
+            client.delete_workout(workout_id)
+            deleted.append(workout_id)
+        return deleted
+
     def _find_scheduled_ids(
         self, client: Any, clone_name: str, target_date: date
     ) -> list[str]:
diff --git a/src/garmin_coach_clone/workouts.py b/src/garmin_coach_clone/workouts.py
index a140134..02dc256 100644
--- a/src/garmin_coach_clone/workouts.py
+++ b/src/garmin_coach_clone/workouts.py
@@ -382,9 +382,53 @@ def _strip_ids(value: Any) -> None:
 
 
 def _normalized_steps(workout: dict[str, Any]) -> Any:
-    value = deepcopy(workout.get("workoutSegments"))
-    _strip_ids(value)
-    return value
+    segments = workout.get("workoutSegments")
+    if not isinstance(segments, list):
+        return None
+    return [
+        _step_list_signature(segment.get("workoutSteps"))
+        for segment in segments
+        if isinstance(segment, dict)
+    ]
+
+
+def _step_list_signature(steps: Any) -> list[Any]:
+    if not isinstance(steps, list):
+        return []
+    return [_step_signature(step) for step in steps if isinstance(step, dict)]
+
+
+def _step_signature(step: dict[str, Any]) -> dict[str, Any]:
+    step_type = _key(step.get("stepType")) or str(step.get("type") or "")
+    signature: dict[str, Any] = {
+        "step_type": step_type,
+        "end_condition": _key(step.get("endCondition")),
+        "end_value": _number(step.get("endConditionValue")),
+    }
+    if str(step.get("type")) == "RepeatGroupDTO" or step_type == "repeat":
+        signature["iterations"] = _number(
+            step.get("numberOfIterations") or step.get("endConditionValue")
+        )
+        signature["steps"] = _step_list_signature(step.get("workoutSteps"))
+        return signature
+
+    signature.update(
+        {
+            "target_type": _key(step.get("targetType")),
+            "target_one": _number(step.get("targetValueOne")),
+            "target_two": _number(step.get("targetValueTwo")),
+            "target_unit": step.get("targetValueUnit"),
+            "secondary_target_type": _key(step.get("secondaryTargetType")),
+            "secondary_target_one": _number(step.get("secondaryTargetValueOne")),
+            "secondary_target_two": _number(step.get("secondaryTargetValueTwo")),
+            "secondary_target_unit": step.get("secondaryTargetValueUnit"),
+        }
+    )
+    return signature
+
+
+def _number(value: Any) -> Any:
+    return float(value) if isinstance(value, int | float) else value
 
 
 def _dedupe_calendar_entries(items: list[dict[str, Any]]) -> list[dict[str, Any]]:
diff --git a/tests/test_sync_service.py b/tests/test_sync_service.py
index 9b14e09..12d44e4 100644
--- a/tests/test_sync_service.py
+++ b/tests/test_sync_service.py
@@ -216,6 +216,7 @@ def test_sync_recreates_date_name_match_with_different_steps(tmp_path, monkeypat
 
     assert result["created"] == 1
     assert garmin.client.unscheduled == ["s1"]
+    assert garmin.client.deleted == ["w-old"]
     assert garmin.client.scheduled == [("w1", "2026-06-16")]
 
 
@@ -295,6 +296,7 @@ def test_current_mapping_recreates_when_calendar_entry_is_missing(
     assert garmin.client.uploads
     assert garmin.client.scheduled == [("w1", "2026-06-16")]
     assert garmin.client.unscheduled == []
+    assert garmin.client.deleted == ["w-old"]
     mapping = repo.get_clone_mapping("2026-06-16")
     assert mapping is not None
     assert mapping["clone_workout_id"] == "w1"
diff --git a/tests/test_workouts.py b/tests/test_workouts.py
index 2794378..825a68c 100644
--- a/tests/test_workouts.py
+++ b/tests/test_workouts.py
@@ -60,6 +60,44 @@ def test_workout_steps_equal_ignores_ids_but_compares_steps() -> None:
     assert not workout_steps_equal(left, right)
 
 
+def test_workout_steps_equal_ignores_garmin_upload_defaults() -> None:
+    left = build_dummy_cycling_workout("Left")
+    right = build_dummy_cycling_workout("Right")
+    repeat = right["workoutSegments"][0]["workoutSteps"][1]
+    repeat["stepOrder"] = 2
+    repeat["childStepId"] = 1
+    repeat["smartRepeat"] = False
+    for idx, step in enumerate(right["workoutSegments"][0]["workoutSteps"], start=1):
+        step["stepId"] = 1000 + idx
+        step["stepOrder"] = idx
+        step["equipmentType"] = {
+            "displayOrder": 0,
+            "equipmentTypeId": 0,
+            "equipmentTypeKey": None,
+        }
+        step["strokeType"] = {
+            "displayOrder": 0,
+            "strokeTypeId": 0,
+            "strokeTypeKey": None,
+        }
+    for idx, step in enumerate(repeat["workoutSteps"], start=3):
+        step["childStepId"] = 1
+        step["stepId"] = 1000 + idx
+        step["stepOrder"] = idx
+        step["equipmentType"] = {
+            "displayOrder": 0,
+            "equipmentTypeId": 0,
+            "equipmentTypeKey": None,
+        }
+        step["strokeType"] = {
+            "displayOrder": 0,
+            "strokeTypeId": 0,
+            "strokeTypeKey": None,
+        }
+
+    assert workout_steps_equal(left, right)
+
+
 def test_existing_clone_names_filters_by_prefix_and_date() -> None:
     names = existing_clone_names(
         [