diff --git a/src/cron/run-log.ts b/src/cron/run-log.ts
index 0bca59f4aca..d98248f81b9 100644
--- a/src/cron/run-log.ts
+++ b/src/cron/run-log.ts
@@ -29,6 +29,7 @@ export type CronRunLogEntry = {
   delivery?: CronDeliveryTrace;
   sessionId?: string;
   sessionKey?: string;
+  runId?: string;
   runAtMs?: number;
   durationMs?: number;
   nextRunAtMs?: number;
@@ -310,6 +311,7 @@ function parseAllRunLogEntries(raw: string, opts?: { jobId?: string }): CronRunL
         status: obj.status,
         error: obj.error,
         summary: obj.summary,
+        runId: typeof obj.runId === "string" && obj.runId.trim() ? obj.runId : undefined,
         runAtMs: obj.runAtMs,
         durationMs: obj.durationMs,
         nextRunAtMs: obj.nextRunAtMs,
diff --git a/src/cron/service/ops.ts b/src/cron/service/ops.ts
index f8c352a44de..2dabd216a91 100644
--- a/src/cron/service/ops.ts
+++ b/src/cron/service/ops.ts
@@ -439,6 +439,7 @@ type PreparedManualRun =
       ok: true;
       ran: true;
       jobId: string;
+      runId?: string;
       taskRunId?: string;
       startedAt: number;
       executionJob: CronJob;
@@ -507,8 +508,9 @@ function tryCreateManualTaskRun(params: {
   state: CronServiceState;
   job: CronJob;
   startedAt: number;
+  runId?: string;
 }): string | undefined {
-  const runId = createCronExecutionId(params.job.id, params.startedAt);
+  const runId = params.runId ?? createCronExecutionId(params.job.id, params.startedAt);
   try {
     createRunningTaskRun({
       runtime: "cron",
@@ -630,6 +632,7 @@ async function prepareManualRun(
   state: CronServiceState,
   id: string,
   mode?: "due" | "force",
+  opts?: { runId?: string },
 ): Promise<PreparedManualRun> {
   const preflight = await inspectManualRunPreflight(state, id, mode);
   if (!preflight.ok) {
@@ -659,12 +662,14 @@ async function prepareManualRun(
       state,
       job,
       startedAt: preflight.now,
+      runId: opts?.runId,
     });
     const executionJob = structuredClone(job);
     return {
       ok: true,
       ran: true,
       jobId: job.id,
+      runId: opts?.runId ?? taskRunId,
       taskRunId,
       startedAt: preflight.now,
       executionJob,
@@ -681,6 +686,7 @@ async function finishPreparedManualRun(
   const startedAt = prepared.startedAt;
   const jobId = prepared.jobId;
   const taskRunId = prepared.taskRunId;
+  const runId = prepared.runId;
 
   let coreResult: Awaited<ReturnType<typeof executeJobCoreWithTimeout>>;
   try {
@@ -728,6 +734,7 @@ async function finishPreparedManualRun(
       delivery: coreResult.delivery,
       sessionId: coreResult.sessionId,
       sessionKey: coreResult.sessionKey,
+      runId,
       runAtMs: startedAt,
       durationMs: job.state.lastDurationMs,
       nextRunAtMs: job.state.nextRunAtMs,
@@ -767,8 +774,13 @@ async function finishPreparedManualRun(
   });
 }
 
-export async function run(state: CronServiceState, id: string, mode?: "due" | "force") {
-  const prepared = await prepareManualRun(state, id, mode);
+export async function run(
+  state: CronServiceState,
+  id: string,
+  mode?: "due" | "force",
+  opts?: { runId?: string },
+) {
+  const prepared = await prepareManualRun(state, id, mode, opts);
   if (!prepared.ok || !prepared.ran) {
     return prepared;
   }
@@ -786,7 +798,7 @@ export async function enqueueRun(state: CronServiceState, id: string, mode?: "du
   void enqueueCommandInLane(
     CommandLane.Cron,
     async () => {
-      const result = await run(state, id, mode);
+      const result = await run(state, id, mode, { runId });
       if (result.ok && "ran" in result && !result.ran) {
         state.deps.log.info(
           { jobId: id, runId, reason: result.reason },
diff --git a/src/cron/service/state.ts b/src/cron/service/state.ts
index e81bea18aec..de2f0ec1581 100644
--- a/src/cron/service/state.ts
+++ b/src/cron/service/state.ts
@@ -30,6 +30,7 @@ export type CronEvent = {
   delivery?: CronDeliveryTrace;
   sessionId?: string;
   sessionKey?: string;
+  runId?: string;
   nextRunAtMs?: number;
 } & CronRunTelemetry;
 
diff --git a/src/gateway/protocol/schema/cron.ts b/src/gateway/protocol/schema/cron.ts
index b76c7af96fb..f1b268763d2 100644
--- a/src/gateway/protocol/schema/cron.ts
+++ b/src/gateway/protocol/schema/cron.ts
@@ -365,6 +365,7 @@ export const CronRunLogEntrySchema = Type.Object(
     deliveryError: Type.Optional(Type.String()),
     sessionId: Type.Optional(NonEmptyString),
     sessionKey: Type.Optional(NonEmptyString),
+    runId: Type.Optional(NonEmptyString),
     runAtMs: Type.Optional(Type.Integer({ minimum: 0 })),
     durationMs: Type.Optional(Type.Integer({ minimum: 0 })),
     nextRunAtMs: Type.Optional(Type.Integer({ minimum: 0 })),
diff --git a/src/gateway/server-cron.ts b/src/gateway/server-cron.ts
index 3d13d406970..9e4f4eaae2a 100644
--- a/src/gateway/server-cron.ts
+++ b/src/gateway/server-cron.ts
@@ -371,6 +371,7 @@ export function buildGatewayCronService(params: {
           "deliveryError",
           "sessionId",
           "sessionKey",
+          "runId",
           "nextRunAtMs",
           "model",
           "provider",
@@ -410,6 +411,7 @@ export function buildGatewayCronService(params: {
             delivery: evt.delivery,
             sessionId: evt.sessionId,
             sessionKey: evt.sessionKey,
+            runId: evt.runId,
             runAtMs: evt.runAtMs,
             durationMs: evt.durationMs,
             nextRunAtMs: evt.nextRunAtMs,
diff --git a/src/gateway/server.cron.test.ts b/src/gateway/server.cron.test.ts
index 584babcec16..e8cd6fb5972 100644
--- a/src/gateway/server.cron.test.ts
+++ b/src/gateway/server.cron.test.ts
@@ -861,6 +861,8 @@ describe("gateway server cron", () => {
       const runRes = await rpcReq(ws, "cron.run", { id: jobId, mode: "force" }, 20_000);
       expect(runRes.ok).toBe(true);
       expect(runRes.payload).toEqual({ ok: true, enqueued: true, runId: expect.any(String) });
+      const manualRunId = (runRes.payload as { runId?: unknown } | null)?.runId;
+      expect(typeof manualRunId).toBe("string");
       const finishedPayload = await finishedRun;
       expect(finishedPayload).toMatchObject({
         jobId,
@@ -879,6 +881,7 @@ describe("gateway server cron", () => {
       expect((entries as Array<{ deliveryStatus?: unknown }>).at(-1)?.deliveryStatus).toBe(
         "not-requested",
       );
+      expect((entries as Array<{ runId?: unknown }>).at(-1)?.runId).toBe(manualRunId);
       const allRunsRes = await rpcReq(ws, "cron.runs", {
         scope: "all",
         limit: 50,