diff --git a/src/uipath/runtime/governance/_audit/track_events.py b/src/uipath/runtime/governance/_audit/track_events.py
index 8a2b745a..06a6db5d 100644
--- a/src/uipath/runtime/governance/_audit/track_events.py
+++ b/src/uipath/runtime/governance/_audit/track_events.py
@@ -22,6 +22,7 @@
 from __future__ import annotations
 
 import logging
+import os
 from typing import Any, Callable
 
 from uipath.core.governance import EnforcementMode
@@ -77,6 +78,25 @@ def _resolve_operation_id() -> str | None:
     return f"{span_ctx.trace_id:032x}"
 
 
+_UIPATH_TRACE_ID_ENV = "UIPATH_TRACE_ID"
+
+
+def _resolve_trace_id() -> str | None:
+    """The run's trace id as a dashed GUID, matching the span store's TraceId.
+
+    Prefers ``UIPATH_TRACE_ID`` (what the exporter binds spans to), else the
+    live OTel span. Resolved on the hook thread so it survives the background
+    telemetry dispatch. ``None`` when neither yields a valid 32-hex id.
+    """
+    for raw in (os.environ.get(_UIPATH_TRACE_ID_ENV), _resolve_operation_id()):
+        if not raw:
+            continue
+        hex_id = raw.replace("-", "").lower()
+        if len(hex_id) == 32 and all(c in "0123456789abcdef" for c in hex_id):
+            return f"{hex_id[0:8]}-{hex_id[8:12]}-{hex_id[12:16]}-{hex_id[16:20]}-{hex_id[20:32]}"
+    return None
+
+
 def _mode_str(mode: Any) -> str:
     """Coerce an enforcement-mode field to its canonical uppercase string."""
     if isinstance(mode, EnforcementMode):
@@ -272,6 +292,9 @@ def _common_payload(self, event: AuditEvent) -> dict[str, Any]:
         payload["agent_name"] = event.agent_name
         payload["hook"] = event.hook
         payload["timestamp"] = event.timestamp.isoformat()
+        trace_id = _resolve_trace_id()
+        if trace_id is not None:
+            payload["trace_id"] = trace_id
         return payload
 
     def _emit_rule_denied(self, event: AuditEvent) -> None:
diff --git a/tests/test_track_events_sink.py b/tests/test_track_events_sink.py
index ee38f311..b739180b 100644
--- a/tests/test_track_events_sink.py
+++ b/tests/test_track_events_sink.py
@@ -414,3 +414,60 @@ def test_operation_id_none_when_no_active_span(
     """No live OTel span → ``operation_id=None`` (consumer fills in its own)."""
     sink.emit(_rule_event(matched=True))
     assert capture.calls[0]["operation_id"] is None
+
+
+# ---------------------------------------------------------------------------
+# trace_id payload field — the id the LLMOps span store persists/fetches by
+# (UIPATH_TRACE_ID when set, else the live OTel span), as a dashed GUID
+# ---------------------------------------------------------------------------
+
+
+def test_rule_denied_trace_id_prefers_uipath_trace_id(
+    sink: TrackEventAuditSink, capture: _Capture, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    """``data.trace_id`` = UIPATH_TRACE_ID (dashed) — the exact id the span
+    exporter binds spans to, so the event and its spans share one id.
+    """
+    monkeypatch.setenv("UIPATH_TRACE_ID", "406d33561ff4450382a877a4fba3f838")
+    sink.emit(_rule_event(matched=True))
+    assert (
+        capture.calls[0]["data"]["trace_id"] == "406d3356-1ff4-4503-82a8-77a4fba3f838"
+    )
+
+
+def test_rule_denied_trace_id_falls_back_to_live_span(
+    sink: TrackEventAuditSink, capture: _Capture, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    """No UIPATH_TRACE_ID → the live OTel span's trace id, dashed to a GUID."""
+    from opentelemetry.sdk.trace import TracerProvider
+
+    monkeypatch.delenv("UIPATH_TRACE_ID", raising=False)
+    tracer = TracerProvider().get_tracer("test")
+    with tracer.start_as_current_span("agent-run") as span:
+        hex_id = f"{span.get_span_context().trace_id:032x}"
+        sink.emit(_rule_event(matched=True))
+
+    expected = (
+        f"{hex_id[0:8]}-{hex_id[8:12]}-{hex_id[12:16]}-{hex_id[16:20]}-{hex_id[20:32]}"
+    )
+    assert capture.calls[0]["data"]["trace_id"] == expected
+
+
+def test_hook_summary_payload_carries_trace_id(
+    sink: TrackEventAuditSink, capture: _Capture, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    """The trace id is stamped on hook summaries too (shared ``_common_payload``)."""
+    monkeypatch.setenv("UIPATH_TRACE_ID", "406d33561ff4450382a877a4fba3f838")
+    sink.emit(_hook_event())
+    assert (
+        capture.calls[0]["data"]["trace_id"] == "406d3356-1ff4-4503-82a8-77a4fba3f838"
+    )
+
+
+def test_trace_id_absent_when_no_env_and_no_active_span(
+    sink: TrackEventAuditSink, capture: _Capture, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    """No UIPATH_TRACE_ID and no live span → ``trace_id`` omitted (never null)."""
+    monkeypatch.delenv("UIPATH_TRACE_ID", raising=False)
+    sink.emit(_rule_event(matched=True))
+    assert "trace_id" not in capture.calls[0]["data"]