diff --git a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/src/instrument.client.ts b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/src/instrument.client.ts
index b3b083c3c644..ac3e62c26447 100644
--- a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/src/instrument.client.ts
+++ b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/src/instrument.client.ts
@@ -1,7 +1,6 @@
 import * as Sentry from '@sentry/browser';
 
 Sentry.init({
-  traceLifecycle: 'static',
   environment: 'qa',
   dsn: 'https://public@dsn.ingest.sentry.io/1337',
   tracesSampleRate: 1.0,
diff --git a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/src/server.ts b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/src/server.ts
index 154f291d0462..b35026939d88 100644
--- a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/src/server.ts
+++ b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/src/server.ts
@@ -4,7 +4,6 @@ import handler from '@tanstack/react-start/server-entry';
 
 export default Sentry.withSentry(
   (env: Env) => ({
-    traceLifecycle: 'static',
     dsn: env.E2E_TEST_DSN,
     tunnel: 'http://localhost:3031/',
     tracesSampleRate: 1.0,
diff --git a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/errors.test.ts b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/errors.test.ts
index f03a611e9592..c53a938f98aa 100644
--- a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/errors.test.ts
+++ b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/errors.test.ts
@@ -1,5 +1,5 @@
 import { expect, test } from '@playwright/test';
-import { waitForError, waitForTransaction } from '@sentry-internal/test-utils';
+import { getSpanOp, waitForError, waitForStreamedSpan } from '@sentry-internal/test-utils';
 
 test('Sends client-side error to Sentry', async ({ page }) => {
   const errorEventPromise = waitForError('tanstackstart-react-cloudflare', errorEvent => {
@@ -107,16 +107,16 @@ test('Does not send SSR loader error to Sentry', async ({ baseURL, page }) => {
     if (!event.type && event.exception?.values?.[0]?.value === 'Sentry SSR Test Error') {
       errorEventOccurred = true;
     }
-    return event?.transaction === 'GET /ssr-error';
+    return false;
   });
 
-  const transactionEventPromise = waitForTransaction('tanstackstart-react-cloudflare', transactionEvent => {
-    return transactionEvent?.transaction === 'GET /ssr-error';
+  const serverSpanPromise = waitForStreamedSpan('tanstackstart-react-cloudflare', span => {
+    return span.is_segment && getSpanOp(span) === 'http.server' && span.attributes['url.path']?.value === '/ssr-error';
   });
 
   await page.goto('/ssr-error');
 
-  await transactionEventPromise;
+  await serverSpanPromise;
 
   await (await fetch(`${baseURL}/api/flush`)).text();
 
diff --git a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/trace-propagation.test.ts b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/trace-propagation.test.ts
index f96ea3ce5f71..8fecc24b93e1 100644
--- a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/trace-propagation.test.ts
+++ b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/trace-propagation.test.ts
@@ -1,5 +1,5 @@
 import { expect, test } from '@playwright/test';
-import { waitForTransaction } from '@sentry-internal/test-utils';
+import { collectStreamedSpans, getSpanOp } from '@sentry-internal/test-utils';
 
 test.describe('Trace propagation', () => {
   test('should inject metatags in ssr pageload', async ({ page }) => {
@@ -18,19 +18,30 @@ test.describe('Trace propagation', () => {
   });
 
   test('should have trace connection between server and client', async ({ page }) => {
-    const serverTxPromise = waitForTransaction('tanstackstart-react-cloudflare', transactionEvent => {
-      return transactionEvent?.contexts?.trace?.op === 'http.server' && transactionEvent?.transaction === 'GET /';
-    });
-
-    const clientTxPromise = waitForTransaction('tanstackstart-react-cloudflare', transactionEvent => {
-      return transactionEvent?.contexts?.trace?.op === 'pageload' && transactionEvent?.transaction === '/';
+    const spansPromise = collectStreamedSpans('tanstackstart-react-cloudflare', spans => {
+      return (
+        spans.some(
+          span => span.is_segment && getSpanOp(span) === 'http.server' && span.attributes['url.path']?.value === '/',
+        ) &&
+        spans.some(
+          span =>
+            span.is_segment &&
+            getSpanOp(span) === 'pageload' &&
+            (span.name === '/' || span.attributes['url.path']?.value === '/'),
+        )
+      );
     });
 
     await page.goto('/');
 
-    const serverTx = await serverTxPromise;
-    const clientTx = await clientTxPromise;
+    const spans = await spansPromise;
+    const serverSpan = spans.find(
+      span => span.is_segment && getSpanOp(span) === 'http.server' && span.attributes['url.path']?.value === '/',
+    );
+    const clientSpan = spans.find(span => span.is_segment && getSpanOp(span) === 'pageload');
 
-    expect(clientTx.contexts?.trace?.trace_id).toBe(serverTx.contexts?.trace?.trace_id);
+    expect(serverSpan).toBeDefined();
+    expect(clientSpan).toBeDefined();
+    expect(clientSpan?.trace_id).toBe(serverSpan?.trace_id);
   });
 });
diff --git a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/transaction.test.ts b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/transaction.test.ts
index 8bdb0dbc9d7b..d6365da67be8 100644
--- a/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/transaction.test.ts
+++ b/dev-packages/e2e-tests/test-applications/tanstackstart-react-cloudflare/tests/transaction.test.ts
@@ -1,13 +1,19 @@
 import { expect, test } from '@playwright/test';
-import { waitForTransaction } from '@sentry-internal/test-utils';
-
-test('Sends a server function transaction with span from wrapFetchWithSentry', async ({ page }) => {
-  const transactionEventPromise = waitForTransaction('tanstackstart-react-cloudflare', transactionEvent => {
-    return (
-      transactionEvent?.contexts?.trace?.op === 'http.server' &&
-      !!transactionEvent?.transaction?.startsWith('GET /_serverFn')
-    );
-  });
+import { collectStreamedSpans, getSpanOp, waitForStreamedSpan } from '@sentry-internal/test-utils';
+
+function isServerFnSegment(span: Parameters<typeof getSpanOp>[0]): boolean {
+  return (
+    !!span.is_segment &&
+    getSpanOp(span) === 'http.server' &&
+    String(span.attributes['url.path']?.value ?? '').startsWith('/_serverFn')
+  );
+}
+
+test('Sends a server function span with wrapFetchWithSentry', async ({ page }) => {
+  const spansPromise = collectStreamedSpans(
+    'tanstackstart-react-cloudflare',
+    spans => spans.some(isServerFnSegment) && spans.some(span => span.name === 'GET /_serverFn/testLog'),
+  );
 
   await page.goto('/test-serverFn');
 
@@ -15,36 +21,37 @@ test('Sends a server function transaction with span from wrapFetchWithSentry', a
 
   await page.locator('#server-fn-btn').click();
 
-  const transactionEvent = await transactionEventPromise;
+  const spans = await spansPromise;
 
-  expect(transactionEvent.contexts?.trace).toMatchObject({
-    op: 'http.server',
-    origin: 'auto.http.cloudflare',
+  const serverSegment = spans.find(isServerFnSegment);
+  expect(serverSegment?.attributes).toMatchObject({
+    'sentry.op': { type: 'string', value: 'http.server' },
+    'sentry.origin': { type: 'string', value: 'auto.http.cloudflare' },
   });
 
-  expect(transactionEvent?.spans).toHaveLength(1);
-  expect(transactionEvent?.spans).toEqual([
-    expect.objectContaining({
-      description: 'GET /_serverFn/testLog',
-      op: 'function',
-      origin: 'auto.function.tanstackstart.server',
-      data: {
-        'sentry.op': 'function',
-        'sentry.origin': 'auto.function.tanstackstart.server',
-        'tanstackstart.function.id': expect.any(String),
-        'tanstackstart.function.filename': 'src/routes/test-serverFn.tsx',
-      },
-    }),
-  ]);
+  expect(spans).toEqual(
+    expect.arrayContaining([
+      expect.objectContaining({
+        name: 'GET /_serverFn/testLog',
+        attributes: expect.objectContaining({
+          'sentry.op': { type: 'string', value: 'function' },
+          'sentry.origin': { type: 'string', value: 'auto.function.tanstackstart.server' },
+          'tanstackstart.function.id': { type: 'string', value: expect.any(String) },
+          'tanstackstart.function.filename': { type: 'string', value: 'src/routes/test-serverFn.tsx' },
+        }),
+      }),
+    ]),
+  );
 });
 
-test('Sends a server function transaction for a nested server function with manual span', async ({ page }) => {
-  const transactionEventPromise = waitForTransaction('tanstackstart-react-cloudflare', transactionEvent => {
-    return (
-      transactionEvent?.contexts?.trace?.op === 'http.server' &&
-      !!transactionEvent?.transaction?.startsWith('GET /_serverFn')
-    );
-  });
+test('Sends a server function span for a nested server function with manual span', async ({ page }) => {
+  const spansPromise = collectStreamedSpans(
+    'tanstackstart-react-cloudflare',
+    spans =>
+      spans.some(isServerFnSegment) &&
+      spans.some(span => span.name === 'GET /_serverFn/testNestedLog') &&
+      spans.some(span => span.name === 'testNestedLog'),
+  );
 
   await page.goto('/test-serverFn');
 
@@ -52,48 +59,47 @@ test('Sends a server function transaction for a nested server function with manu
 
   await page.locator('#server-fn-nested-btn').click();
 
-  const transactionEvent = await transactionEventPromise;
+  const spans = await spansPromise;
 
-  expect(transactionEvent.contexts?.trace).toMatchObject({
-    op: 'http.server',
-    origin: 'auto.http.cloudflare',
+  const serverSegment = spans.find(isServerFnSegment);
+  expect(serverSegment?.attributes).toMatchObject({
+    'sentry.op': { type: 'string', value: 'http.server' },
+    'sentry.origin': { type: 'string', value: 'auto.http.cloudflare' },
   });
 
-  expect(transactionEvent?.spans).toHaveLength(2);
-  expect(transactionEvent?.spans).toEqual(
+  expect(spans).toEqual(
     expect.arrayContaining([
       expect.objectContaining({
-        description: 'GET /_serverFn/testNestedLog',
-        op: 'function',
-        origin: 'auto.function.tanstackstart.server',
-        data: {
-          'sentry.op': 'function',
-          'sentry.origin': 'auto.function.tanstackstart.server',
-          'tanstackstart.function.id': expect.any(String),
-          'tanstackstart.function.filename': 'src/routes/test-serverFn.tsx',
-        },
+        name: 'GET /_serverFn/testNestedLog',
+        attributes: expect.objectContaining({
+          'sentry.op': { type: 'string', value: 'function' },
+          'sentry.origin': { type: 'string', value: 'auto.function.tanstackstart.server' },
+          'tanstackstart.function.id': { type: 'string', value: expect.any(String) },
+          'tanstackstart.function.filename': { type: 'string', value: 'src/routes/test-serverFn.tsx' },
+        }),
       }),
       expect.objectContaining({
-        description: 'testNestedLog',
-        origin: 'manual',
+        name: 'testNestedLog',
+        attributes: expect.objectContaining({
+          'sentry.origin': { type: 'string', value: 'manual' },
+        }),
       }),
     ]),
   );
 });
 
-test('Sends server-side transaction for page request', async ({ baseURL }) => {
-  const transactionEventPromise = waitForTransaction('tanstackstart-react-cloudflare', transactionEvent => {
-    return transactionEvent?.contexts?.trace?.op === 'http.server' && transactionEvent?.transaction === 'GET /';
+test('Sends server-side span for page request', async ({ baseURL }) => {
+  const serverSpanPromise = waitForStreamedSpan('tanstackstart-react-cloudflare', span => {
+    return span.is_segment && getSpanOp(span) === 'http.server' && span.attributes['url.path']?.value === '/';
   });
 
   await fetch(`${baseURL}/`);
 
-  const transactionEvent = await transactionEventPromise;
+  const serverSpan = await serverSpanPromise;
 
-  expect(transactionEvent.transaction).toBe('GET /');
-  expect(transactionEvent.contexts?.trace).toMatchObject({
-    op: 'http.server',
-    origin: 'auto.http.cloudflare',
-    status: 'ok',
+  expect(serverSpan.attributes).toMatchObject({
+    'sentry.op': { type: 'string', value: 'http.server' },
+    'sentry.origin': { type: 'string', value: 'auto.http.cloudflare' },
   });
+  expect(serverSpan.status).toBe('ok');
 });