diff --git a/packages/react-native-fantom/runner/entrypoint-template.js b/packages/react-native-fantom/runner/entrypoint-template.js
index c52c66209e0e8a..dc99d9f0551d84 100644
--- a/packages/react-native-fantom/runner/entrypoint-template.js
+++ b/packages/react-native-fantom/runner/entrypoint-template.js
@@ -18,12 +18,14 @@ module.exports = function entrypointTemplate({
   featureFlagsModulePath,
   featureFlags,
   snapshotConfig,
+  isRunningFromCI,
 }: {
   testPath: string,
   setupModulePath: string,
   featureFlagsModulePath: string,
   featureFlags: FantomTestConfigJsOnlyFeatureFlags,
   snapshotConfig: SnapshotConfig,
+  isRunningFromCI: boolean,
 }): string {
   return `/**
  * Copyright (c) Meta Platforms, Inc. and affiliates.
@@ -38,6 +40,7 @@ module.exports = function entrypointTemplate({
  */
 
 import {registerTest} from '${setupModulePath}';
+import {setConstants} from '@react-native/fantom';
 ${
   Object.keys(featureFlags).length > 0
     ? `import * as ReactNativeFeatureFlags from '${featureFlagsModulePath}';
@@ -50,6 +53,10 @@ ${Object.entries(featureFlags)
     : ''
 }
 
+setConstants({
+  isRunningFromCI: ${String(isRunningFromCI)},
+});
+
 registerTest(() => require('${testPath}'), ${JSON.stringify(snapshotConfig)});
 `;
 };
diff --git a/packages/react-native-fantom/runner/runner.js b/packages/react-native-fantom/runner/runner.js
index 776ee43957b301..3c8050548ad4e8 100644
--- a/packages/react-native-fantom/runner/runner.js
+++ b/packages/react-native-fantom/runner/runner.js
@@ -22,6 +22,7 @@ import {
   getBuckModesForPlatform,
   getDebugInfoFromCommandResult,
   getShortHash,
+  isRunningFromCI,
   runBuck2,
   symbolicateStackTrace,
 } from './utils';
@@ -145,6 +146,7 @@ module.exports = async function runTest(
       updateSnapshot: snapshotState._updateSnapshot,
       data: getInitialSnapshotData(snapshotState),
     },
+    isRunningFromCI: isRunningFromCI(),
   });
 
   const entrypointPath = path.join(
diff --git a/packages/react-native-fantom/runner/utils.js b/packages/react-native-fantom/runner/utils.js
index d5aa6deeac7ab3..ef0996a39e71f5 100644
--- a/packages/react-native-fantom/runner/utils.js
+++ b/packages/react-native-fantom/runner/utils.js
@@ -44,6 +44,16 @@ export function getBuckModesForPlatform(
   return ['@//xplat/mode/react-force-cxx-platform', osPlatform];
 }
 
+function isEmpty(value: ?string): boolean {
+  return value == null || value === '';
+}
+
+export function isRunningFromCI(): boolean {
+  return (
+    !isEmpty(process.env.SANDCASTLE) || !isEmpty(process.env.GITHUB_ACTIONS)
+  );
+}
+
 type SpawnResultWithOriginalCommand = {
   ...ReturnType<typeof spawnSync>,
   originalCommand: string,
diff --git a/packages/react-native-fantom/src/Benchmark.js b/packages/react-native-fantom/src/Benchmark.js
index 036c94efeadff0..7c2c22d5b6c7de 100644
--- a/packages/react-native-fantom/src/Benchmark.js
+++ b/packages/react-native-fantom/src/Benchmark.js
@@ -8,6 +8,7 @@
  * @format
  */
 
+import {getConstants} from './index';
 import nullthrows from 'nullthrows';
 import NativeCPUTime from 'react-native/src/private/specs/modules/NativeCPUTime';
 import {
@@ -36,31 +37,60 @@ export function suite(
   suiteName: string,
   suiteOptions?: ?SuiteOptions,
 ): SuiteAPI {
-  const {disableOptimizedBuildCheck, ...benchOptions} = suiteOptions ?? {};
-
-  const bench = new Bench({
-    ...benchOptions,
-    name: suiteName,
-    throws: true,
-    now: () => NativeCPUTime.getCPUTimeNanos() / 1000000,
-  });
-
+  const tasks: Array<{
+    name: string,
+    fn: () => void,
+    options: FnOptions | void,
+  }> = [];
   const verifyFns = [];
 
   global.it(suiteName, () => {
-    if (bench.tasks.length === 0) {
+    if (tasks.length === 0) {
       throw new Error('No benchmark tests defined');
     }
 
+    const {isRunningFromCI} = getConstants();
+
+    // If we're running from CI and there's no verification function, there's
+    // no point in running the benchmark.
+    // We still run a single iteration of each test just to make sure that the
+    // logic in the benchmark doesn't break.
+    const isTestOnly = isRunningFromCI && verifyFns.length === 0;
+
+    const overriddenOptions: BenchOptions = isTestOnly
+      ? {
+          warmupIterations: 1,
+          warmupTime: 0,
+          iterations: 1,
+          time: 0,
+        }
+      : {};
+
+    const {disableOptimizedBuildCheck, ...benchOptions} = suiteOptions ?? {};
+
+    const bench = new Bench({
+      ...benchOptions,
+      ...overriddenOptions,
+      name: suiteName,
+      throws: true,
+      now: () => NativeCPUTime.getCPUTimeNanos() / 1000000,
+    });
+
+    for (const task of tasks) {
+      bench.add(task.name, task.fn, task.options);
+    }
+
     bench.runSync();
 
-    printBenchmarkResults(bench);
+    if (!isTestOnly) {
+      printBenchmarkResults(bench);
+    }
 
     for (const verify of verifyFns) {
       verify(bench.results);
     }
 
-    if (!NativeCPUTime.hasAccurateCPUTimeNanos()) {
+    if (!isTestOnly && !NativeCPUTime.hasAccurateCPUTimeNanos()) {
       throw new Error(
         '`NativeCPUTime` module does not provide accurate CPU time information in this environment. Please run the benchmarks in an environment where it does.',
       );
@@ -73,7 +103,7 @@ export function suite(
 
   const suiteAPI = {
     add(name: string, fn: () => void, options?: FnOptions): SuiteAPI {
-      bench.add(name, fn, options);
+      tasks.push({name, fn, options});
       return suiteAPI;
     },
     verify(fn: (results: SuiteResults) => void): SuiteAPI {
diff --git a/packages/react-native-fantom/src/index.js b/packages/react-native-fantom/src/index.js
index b3c0d513f0dbf2..195cc19fcca193 100644
--- a/packages/react-native-fantom/src/index.js
+++ b/packages/react-native-fantom/src/index.js
@@ -115,6 +115,22 @@ export function createRoot(): Root {
 
 export const benchmark = Benchmark;
 
+type FantomConstants = $ReadOnly<{
+  isRunningFromCI: boolean,
+}>;
+
+let constants: FantomConstants = {
+  isRunningFromCI: false,
+};
+
+export function getConstants(): FantomConstants {
+  return constants;
+}
+
+export function setConstants(newConstants: FantomConstants): void {
+  constants = newConstants;
+}
+
 /**
  * Quick and dirty polyfills required by tinybench.
  */