diff --git a/packages/react-reconciler/src/SchedulingProfiler.js b/packages/react-reconciler/src/SchedulingProfiler.js
index c6032014a198f..bb78ca655461f 100644
--- a/packages/react-reconciler/src/SchedulingProfiler.js
+++ b/packages/react-reconciler/src/SchedulingProfiler.js
@@ -15,6 +15,7 @@ import {
   enableSchedulingProfiler,
   enableSchedulingProfilerComponentStacks,
 } from 'shared/ReactFeatureFlags';
+import ReactVersion from 'shared/ReactVersion';
 import getComponentName from 'shared/getComponentName';
 import {getStackByFiberInDevAndProd} from './ReactFiberComponentStack';
 
@@ -166,7 +167,9 @@ export function markRenderStopped(): void {
 export function markRenderScheduled(lane: Lane): void {
   if (enableSchedulingProfiler) {
     if (supportsUserTiming) {
-      performance.mark(`--schedule-render-${formatLanes(lane)}`);
+      performance.mark(
+        `--schedule-render-${formatLanes(lane)}-${ReactVersion}`,
+      );
     }
   }
 }
diff --git a/packages/react-reconciler/src/__tests__/SchedulingProfiler-test.internal.js b/packages/react-reconciler/src/__tests__/SchedulingProfiler-test.internal.js
index 3afc4bfb5443c..1a4ad9cf08b68 100644
--- a/packages/react-reconciler/src/__tests__/SchedulingProfiler-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/SchedulingProfiler-test.internal.js
@@ -10,6 +10,8 @@
 
 'use strict';
 
+import ReactVersion from 'shared/ReactVersion';
+
 function normalizeCodeLocInfo(str) {
   return (
     str &&
@@ -81,7 +83,7 @@ describe('SchedulingProfiler', () => {
     ReactTestRenderer.create(<div />);
 
     expect(marks).toEqual([
-      '--schedule-render-1',
+      `--schedule-render-1-${ReactVersion}`,
       '--render-start-1',
       '--render-stop',
       '--commit-start-1',
@@ -95,7 +97,7 @@ describe('SchedulingProfiler', () => {
   it('should mark concurrent render without suspends or state updates', () => {
     ReactTestRenderer.create(<div />, {unstable_isConcurrent: true});
 
-    expect(marks).toEqual(['--schedule-render-512']);
+    expect(marks).toEqual([`--schedule-render-512-${ReactVersion}`]);
 
     marks.splice(0);
 
@@ -128,7 +130,7 @@ describe('SchedulingProfiler', () => {
     expect(ReactNoop.flushNextYield()).toEqual(['Foo']);
 
     expect(marks).toEqual([
-      '--schedule-render-512',
+      `--schedule-render-512-${ReactVersion}`,
       '--render-start-512',
       '--render-yield',
     ]);
@@ -148,7 +150,7 @@ describe('SchedulingProfiler', () => {
     );
 
     expect(marks).toEqual([
-      '--schedule-render-1',
+      `--schedule-render-1-${ReactVersion}`,
       '--render-start-1',
       toggleComponentStacks(
         '--suspense-suspend-0-Example-\n    at Example\n    at Suspense',
@@ -184,7 +186,7 @@ describe('SchedulingProfiler', () => {
     );
 
     expect(marks).toEqual([
-      '--schedule-render-1',
+      `--schedule-render-1-${ReactVersion}`,
       '--render-start-1',
       toggleComponentStacks(
         '--suspense-suspend-0-Example-\n    at Example\n    at Suspense',
@@ -220,7 +222,7 @@ describe('SchedulingProfiler', () => {
       {unstable_isConcurrent: true},
     );
 
-    expect(marks).toEqual(['--schedule-render-512']);
+    expect(marks).toEqual([`--schedule-render-512-${ReactVersion}`]);
 
     marks.splice(0);
 
@@ -262,7 +264,7 @@ describe('SchedulingProfiler', () => {
       {unstable_isConcurrent: true},
     );
 
-    expect(marks).toEqual(['--schedule-render-512']);
+    expect(marks).toEqual([`--schedule-render-512-${ReactVersion}`]);
 
     marks.splice(0);
 
@@ -304,7 +306,7 @@ describe('SchedulingProfiler', () => {
 
     ReactTestRenderer.create(<Example />, {unstable_isConcurrent: true});
 
-    expect(marks).toEqual(['--schedule-render-512']);
+    expect(marks).toEqual([`--schedule-render-512-${ReactVersion}`]);
 
     marks.splice(0);
 
@@ -340,7 +342,7 @@ describe('SchedulingProfiler', () => {
 
     ReactTestRenderer.create(<Example />, {unstable_isConcurrent: true});
 
-    expect(marks).toEqual(['--schedule-render-512']);
+    expect(marks).toEqual([`--schedule-render-512-${ReactVersion}`]);
 
     marks.splice(0);
 
@@ -377,7 +379,7 @@ describe('SchedulingProfiler', () => {
 
     ReactTestRenderer.create(<Example />, {unstable_isConcurrent: true});
 
-    expect(marks).toEqual(['--schedule-render-512']);
+    expect(marks).toEqual([`--schedule-render-512-${ReactVersion}`]);
 
     marks.splice(0);
 
@@ -414,7 +416,7 @@ describe('SchedulingProfiler', () => {
 
     ReactTestRenderer.create(<Example />, {unstable_isConcurrent: true});
 
-    expect(marks).toEqual(['--schedule-render-512']);
+    expect(marks).toEqual([`--schedule-render-512-${ReactVersion}`]);
 
     marks.splice(0);
 
@@ -449,7 +451,7 @@ describe('SchedulingProfiler', () => {
 
     ReactTestRenderer.create(<Example />, {unstable_isConcurrent: true});
 
-    expect(marks).toEqual(['--schedule-render-512']);
+    expect(marks).toEqual([`--schedule-render-512-${ReactVersion}`]);
 
     marks.splice(0);
 
@@ -489,7 +491,7 @@ describe('SchedulingProfiler', () => {
     gate(({old}) => {
       if (old) {
         expect(marks.map(normalizeCodeLocInfo)).toEqual([
-          '--schedule-render-512',
+          `--schedule-render-512-${ReactVersion}`,
           '--render-start-512',
           '--render-stop',
           '--commit-start-512',
@@ -508,7 +510,7 @@ describe('SchedulingProfiler', () => {
         ]);
       } else {
         expect(marks.map(normalizeCodeLocInfo)).toEqual([
-          '--schedule-render-512',
+          `--schedule-render-512-${ReactVersion}`,
           '--render-start-512',
           '--render-stop',
           '--commit-start-512',