diff --git a/private/react-native-fantom/config/jest.config.js b/private/react-native-fantom/config/jest.config.js
index 1877182fff12..35386d9feafa 100644
--- a/private/react-native-fantom/config/jest.config.js
+++ b/private/react-native-fantom/config/jest.config.js
@@ -29,12 +29,7 @@ module.exports = {
   ] /*:: as ReadonlyArray<string> */,
   // This allows running Meta-internal tests with the `-test.fb.js` suffix.
   testRegex: '/__tests__/.*-itest(\\.fb)?\\.js$',
-  testPathIgnorePatterns: [
-    ...baseConfig.testPathIgnorePatterns,
-    ...(process.env.FANTOM_INCLUDE_BENCHMARKS != null
-      ? []
-      : ['benchmark-itest']),
-  ] /*:: as ReadonlyArray<string> */,
+  testPathIgnorePatterns: baseConfig.testPathIgnorePatterns,
   transformIgnorePatterns: ['.*'],
   testRunner: '<rootDir>/private/react-native-fantom/runner/index.js',
   watchPathIgnorePatterns: ['<rootDir>/private/react-native-fantom/build/'],
diff --git a/private/react-native-fantom/runner/EnvironmentOptions.js b/private/react-native-fantom/runner/EnvironmentOptions.js
index 68471c49854f..ea47b4795a05 100644
--- a/private/react-native-fantom/runner/EnvironmentOptions.js
+++ b/private/react-native-fantom/runner/EnvironmentOptions.js
@@ -15,8 +15,7 @@ const VALID_ENVIRONMENT_VARIABLES = [
   'FANTOM_ENABLE_CPP_DEBUGGING',
   'FANTOM_FORCE_CI_MODE',
   'FANTOM_FORCE_OSS_BUILD',
-  'FANTOM_FORCE_TEST_MODE',
-  'FANTOM_INCLUDE_BENCHMARKS',
+  'FANTOM_RUN_BENCHMARKS',
   'FANTOM_LOG_COMMANDS',
   'FANTOM_PRINT_OUTPUT',
   'FANTOM_DEBUG_JS',
@@ -60,11 +59,12 @@ export const isCI: boolean =
   Boolean(process.env.GITHUB_ACTIONS);
 
 /**
- * Forces benchmarks to run in test mode (running a single time to ensure
- * correctness instead of multiples times to measure performance).
+ * Runs benchmarks in benchmark mode (measuring performance with multiple
+ * iterations). When false, benchmarks run in test mode (single iteration
+ * for correctness only).
  */
-export const forceTestModeForBenchmarks: boolean = Boolean(
-  process.env.FANTOM_FORCE_TEST_MODE,
+export const runBenchmarks: boolean = Boolean(
+  process.env.FANTOM_RUN_BENCHMARKS,
 );
 
 export const debugJS: boolean = Boolean(process.env.FANTOM_DEBUG_JS);
diff --git a/private/react-native-fantom/runner/entrypoint-template.js b/private/react-native-fantom/runner/entrypoint-template.js
index 715059ca3344..2010fb54a46b 100644
--- a/private/react-native-fantom/runner/entrypoint-template.js
+++ b/private/react-native-fantom/runner/entrypoint-template.js
@@ -37,7 +37,7 @@ module.exports = function entrypointTemplate({
   const constants: FantomRuntimeConstants = {
     isOSS: EnvironmentOptions.isOSS,
     isRunningFromCI: EnvironmentOptions.isCI,
-    forceTestModeForBenchmarks: EnvironmentOptions.forceTestModeForBenchmarks,
+    runBenchmarks: EnvironmentOptions.runBenchmarks,
     fantomConfigSummary: formatFantomConfig(testConfig),
     jsTraceOutputPath,
     jsHeapSnapshotOutputPathTemplate,
diff --git a/private/react-native-fantom/runner/getFantomTestConfigs.js b/private/react-native-fantom/runner/getFantomTestConfigs.js
index 918802f5dc91..d86d7c91617c 100644
--- a/private/react-native-fantom/runner/getFantomTestConfigs.js
+++ b/private/react-native-fantom/runner/getFantomTestConfigs.js
@@ -72,9 +72,9 @@ export const DEFAULT_FEATURE_FLAGS: FantomTestConfigFeatureFlags = {
 
 const FANTOM_FLAG_FORMAT = /^(\w+):((?:\w+)|\*)$/;
 
-const FANTOM_BENCHMARK_FILENAME_RE = /[Bb]enchmark-itest\./g;
+const FANTOM_BENCHMARK_FILENAME_RE = /[Bb]enchmark-itest\./;
 const FANTOM_BENCHMARK_SUITE_RE =
-  /\n(Fantom\.)?unstable_benchmark(\s*)\.suite\(/g;
+  /\n(Fantom\.)?unstable_benchmark(\s*)\.suite\(/;
 
 const MAX_FANTOM_CONFIGURATION_VARIATIONS = 12;
 
diff --git a/private/react-native-fantom/src/Benchmark.js b/private/react-native-fantom/src/Benchmark.js
index ce272a765e9a..a4b8af047b79 100644
--- a/private/react-native-fantom/src/Benchmark.js
+++ b/private/react-native-fantom/src/Benchmark.js
@@ -113,7 +113,7 @@ export function suite(
       throw new Error('No benchmark tests defined');
     }
 
-    const {isRunningFromCI, forceTestModeForBenchmarks} = getConstants();
+    const {isRunningFromCI, runBenchmarks} = getConstants();
 
     // If we're running from CI and there's no verification function, there's
     // no point in running the benchmark.
@@ -121,7 +121,7 @@ export function suite(
     // logic in the benchmark doesn't break.
     const isTestOnly =
       suiteOptions.testOnly === true ||
-      forceTestModeForBenchmarks ||
+      !runBenchmarks ||
       (isRunningFromCI && verifyFns.length === 0);
 
     const benchOptions: BenchOptions = isTestOnly
@@ -180,7 +180,11 @@ export function suite(
       bench.add(task.name, task.fn, options);
     }
 
-    if (!isTestOnly) {
+    if (isTestOnly) {
+      console.log(
+        `Running benchmark in test mode: ${suiteName}. Use --benchmarks to run in benchmark mode.`,
+      );
+    } else {
       console.log(`Running benchmark: ${suiteName}. Please wait.`);
     }
 
diff --git a/private/react-native-fantom/src/Constants.js b/private/react-native-fantom/src/Constants.js
index c995a10e04d6..ffd8f3504df9 100644
--- a/private/react-native-fantom/src/Constants.js
+++ b/private/react-native-fantom/src/Constants.js
@@ -11,7 +11,7 @@
 export type FantomRuntimeConstants = Readonly<{
   isOSS: boolean,
   isRunningFromCI: boolean,
-  forceTestModeForBenchmarks: boolean,
+  runBenchmarks: boolean,
   fantomConfigSummary: string,
   jsHeapSnapshotOutputPathTemplate: string,
   jsHeapSnapshotOutputPathTemplateToken: string,
@@ -21,7 +21,7 @@ export type FantomRuntimeConstants = Readonly<{
 let constants: FantomRuntimeConstants = {
   isOSS: false,
   isRunningFromCI: false,
-  forceTestModeForBenchmarks: false,
+  runBenchmarks: false,
   fantomConfigSummary: '',
   jsHeapSnapshotOutputPathTemplate: '',
   jsHeapSnapshotOutputPathTemplateToken: '',
diff --git a/scripts/fantom.sh b/scripts/fantom.sh
index d69fba12d9c3..0b34f9807d28 100755
--- a/scripts/fantom.sh
+++ b/scripts/fantom.sh
@@ -18,20 +18,13 @@ fi
 
 export NODE_OPTIONS='--max-old-space-size=8192'
 
-# Parse arguments to check for --benchmarks flag
-INCLUDE_BENCHMARKS=false
+# Parse arguments to extract custom flags
 ARGS=()
 for arg in "$@"; do
-  if [[ "$arg" == "--benchmarks" ]]; then
-    INCLUDE_BENCHMARKS=true
-  else
-    ARGS+=("$arg")
-  fi
+  case "$arg" in
+    --benchmarks) export FANTOM_RUN_BENCHMARKS=1 ;;
+    *) ARGS+=("$arg") ;;
+  esac
 done
 
-# When --benchmarks is passed, set env var so jest.config.js includes benchmark tests
-if [[ "$INCLUDE_BENCHMARKS" == true ]]; then
-  FANTOM_INCLUDE_BENCHMARKS=1 yarn jest --config private/react-native-fantom/config/jest.config.js "${ARGS[@]}"
-else
-  yarn jest --config private/react-native-fantom/config/jest.config.js "${ARGS[@]}"
-fi
+yarn jest --config private/react-native-fantom/config/jest.config.js "${ARGS[@]}"