diff --git a/packages/react-relay/relay-hooks/__tests__/useLazyLoadQueryNode-test.js b/packages/react-relay/relay-hooks/__tests__/useLazyLoadQueryNode-test.js
index 1bc70458c3684..cc12edd2f79a9 100644
--- a/packages/react-relay/relay-hooks/__tests__/useLazyLoadQueryNode-test.js
+++ b/packages/react-relay/relay-hooks/__tests__/useLazyLoadQueryNode-test.js
@@ -961,7 +961,11 @@ describe('logging', () => {
         networkRequestId: 100000,
       },
       {
-        name: 'execute.next',
+        name: 'execute.next.start',
+        executeId: 100001,
+      },
+      {
+        name: 'execute.next.end',
         executeId: 100001,
       },
       {
@@ -1141,7 +1145,11 @@ describe('logging', () => {
         networkRequestId: 100001,
       },
       {
-        name: 'execute.next',
+        name: 'execute.next.start',
+        executeId: 100002,
+      },
+      {
+        name: 'execute.next.end',
         executeId: 100002,
       },
       {
diff --git a/packages/relay-runtime/store/OperationExecutor.js b/packages/relay-runtime/store/OperationExecutor.js
index c67b425a85a1b..4edb8e93e63cc 100644
--- a/packages/relay-runtime/store/OperationExecutor.js
+++ b/packages/relay-runtime/store/OperationExecutor.js
@@ -375,16 +375,18 @@ class Executor<TMutation: MutationParameters> {
   // Handle a raw GraphQL response.
   _next(_id: number, response: GraphQLResponse): void {
     this._schedule(() => {
-      const [start, duration] = withStartAndDuration(() => {
-        this._handleNext(response);
-        this._maybeCompleteSubscriptionOperationTracking();
+      this._log({
+        name: 'execute.next.start',
+        executeId: this._executeId,
+        response,
+        operation: this._operation,
       });
+      this._handleNext(response);
+      this._maybeCompleteSubscriptionOperationTracking();
       this._log({
-        name: 'execute.next',
+        name: 'execute.next.end',
         executeId: this._executeId,
         response,
-        duration,
-        start,
         operation: this._operation,
       });
     });
diff --git a/packages/relay-runtime/store/RelayStoreTypes.js b/packages/relay-runtime/store/RelayStoreTypes.js
index 461154efc53a7..64f214641a415 100644
--- a/packages/relay-runtime/store/RelayStoreTypes.js
+++ b/packages/relay-runtime/store/RelayStoreTypes.js
@@ -652,12 +652,17 @@ export type ExecuteStartLogEvent = {
   +cacheConfig: CacheConfig,
 };
 
-export type ExecuteNextLogEvent = {
-  +name: 'execute.next',
+export type ExecuteNextStartLogEvent = {
+  +name: 'execute.next.start',
+  +executeId: number,
+  +response: GraphQLResponse,
+  +operation: OperationDescriptor,
+};
+
+export type ExecuteNextEndLogEvent = {
+  +name: 'execute.next.end',
   +executeId: number,
   +response: GraphQLResponse,
-  +duration: number,
-  +start: number,
   +operation: OperationDescriptor,
 };
 
@@ -778,7 +783,8 @@ export type LogEvent =
   | NetworkCompleteLogEvent
   | NetworkUnsubscribeLogEvent
   | ExecuteStartLogEvent
-  | ExecuteNextLogEvent
+  | ExecuteNextStartLogEvent
+  | ExecuteNextEndLogEvent
   | ExecuteAsyncModuleLogEvent
   | ExecuteErrorLogEvent
   | ExecuteCompleteLogEvent