diff --git a/dev-packages/e2e-tests/test-applications/react-router-8-framework/app/entry.server.cloudflare.tsx b/dev-packages/e2e-tests/test-applications/react-router-8-framework/app/entry.server.cloudflare.tsx
index e04fe621e718..31a4fec981f6 100644
--- a/dev-packages/e2e-tests/test-applications/react-router-8-framework/app/entry.server.cloudflare.tsx
+++ b/dev-packages/e2e-tests/test-applications/react-router-8-framework/app/entry.server.cloudflare.tsx
@@ -48,3 +48,5 @@ export const handleError: HandleErrorFunction = (error, { request }) => {
 };
 
 export default Sentry.wrapSentryHandleRequest(handleRequest);
+
+export const instrumentations = [Sentry.createSentryServerInstrumentation()];
diff --git a/dev-packages/e2e-tests/test-applications/react-router-8-framework/app/entry.server.tsx b/dev-packages/e2e-tests/test-applications/react-router-8-framework/app/entry.server.tsx
index 01682288ab71..9f9a70db740a 100644
--- a/dev-packages/e2e-tests/test-applications/react-router-8-framework/app/entry.server.tsx
+++ b/dev-packages/e2e-tests/test-applications/react-router-8-framework/app/entry.server.tsx
@@ -18,3 +18,5 @@ const handleRequest = Sentry.createSentryHandleRequest({
 export default handleRequest;
 
 export const handleError: HandleErrorFunction = Sentry.createSentryHandleError({ logErrors: true });
+
+export const instrumentations = [Sentry.createSentryServerInstrumentation()];
diff --git a/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/errors/errors.server.test.ts b/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/errors/errors.server.test.ts
index bf436aa3c866..35eb7a8854de 100644
--- a/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/errors/errors.server.test.ts
+++ b/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/errors/errors.server.test.ts
@@ -21,17 +21,12 @@ test.describe('server-side errors', () => {
             value: errorMessage,
             mechanism: {
               handled: false,
-              type: 'react-router',
+              type: 'react_router.loader',
             },
           },
         ],
       },
-      // Express names the transaction on Node and Deno. On Bun, where Express is not instrumented under
-      // `bun run`, it stays the request path. On Cloudflare the error has no transaction.
-      // todo: should be 'GET /errors/server-loader' everywhere
-      ...(RUNTIME === 'cloudflare'
-        ? {}
-        : { transaction: RUNTIME === 'bun' ? 'GET /errors/server-loader' : 'GET /{*splat}' }),
+      transaction: 'GET /errors/server-loader',
       request: {
         url: expect.stringContaining('errors/server-loader'),
         headers: expect.any(Object),
@@ -74,17 +69,12 @@ test.describe('server-side errors', () => {
             value: errorMessage,
             mechanism: {
               handled: false,
-              type: 'react-router',
+              type: 'react_router.action',
             },
           },
         ],
       },
-      // Express names the transaction on Node and Deno. On Bun, where Express is not instrumented under
-      // `bun run`, it stays the request path. On Cloudflare the error has no transaction.
-      // todo: should be 'POST /errors/server-action' everywhere
-      ...(RUNTIME === 'cloudflare'
-        ? {}
-        : { transaction: RUNTIME === 'bun' ? 'POST /errors/server-action.data' : 'POST /{*splat}' }),
+      transaction: 'POST /errors/server-action',
       request: {
         url: expect.stringContaining('errors/server-action'),
         headers: expect.any(Object),
diff --git a/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/performance/outgoing-fetch.server.test.ts b/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/performance/outgoing-fetch.server.test.ts
index b24f0576f71c..dd8edc2d9da4 100644
--- a/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/performance/outgoing-fetch.server.test.ts
+++ b/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/performance/outgoing-fetch.server.test.ts
@@ -28,4 +28,5 @@ test('propagates the trace to an outgoing fetch', async ({ request }) => {
     .toBeDefined();
   const serverSpan = streamedSpans.find(span => span.is_segment && span.trace_id === traceId && !span.parent_span_id)!;
   expect(getSpanOp(serverSpan)).toBe('http.server');
+  expect(serverSpan.name).toBe('GET /performance/outgoing-fetch');
 });
diff --git a/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/performance/performance.server.test.ts b/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/performance/performance.server.test.ts
index 4488f1065229..c3f594ee2061 100644
--- a/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/performance/performance.server.test.ts
+++ b/dev-packages/e2e-tests/test-applications/react-router-8-framework/tests/performance/performance.server.test.ts
@@ -23,7 +23,7 @@ test.describe('server - performance', () => {
     expect(getSpanOp(span)).toBe('http.server');
     expect(span.attributes).toMatchObject({
       'sentry.op': { value: 'http.server', type: 'string' },
-      'sentry.origin': { value: 'auto.http.react_router.request_handler', type: 'string' },
+      'sentry.origin': { value: 'auto.http.react_router.instrumentation_api', type: 'string' },
       'sentry.segment.name.source': { value: 'route', type: 'string' },
       'sentry.environment': { value: 'qa', type: 'string' },
       'sentry.sdk.name': {
@@ -56,7 +56,7 @@ test.describe('server - performance', () => {
     expect(getSpanOp(span)).toBe('http.server');
     expect(span.attributes).toMatchObject({
       'sentry.op': { value: 'http.server', type: 'string' },
-      'sentry.origin': { value: 'auto.http.react_router.request_handler', type: 'string' },
+      'sentry.origin': { value: 'auto.http.react_router.instrumentation_api', type: 'string' },
       'sentry.segment.name.source': { value: 'route', type: 'string' },
       'sentry.environment': { value: 'qa', type: 'string' },
       'sentry.sdk.name': {
diff --git a/packages/react-router/src/cloudflare/index.ts b/packages/react-router/src/cloudflare/index.ts
index 67db950b59fb..b94430728125 100644
--- a/packages/react-router/src/cloudflare/index.ts
+++ b/packages/react-router/src/cloudflare/index.ts
@@ -4,6 +4,10 @@ import { isPrerenderRequest } from '../server/serverBuild';
 export * from '../client';
 
 export { wrapSentryHandleRequest } from '../server/wrapSentryHandleRequest';
+export {
+  createSentryServerInstrumentation,
+  type CreateSentryServerInstrumentationOptions,
+} from '../server/createServerInstrumentation';
 
 /**
  * Injects Sentry trace meta tags into the HTML response by transforming the ReadableStream.