diff --git a/erigon-lib/diagnostics/block_execution.go b/erigon-lib/diagnostics/block_execution.go
index eb1c3dd4949..54cf9de70d8 100644
--- a/erigon-lib/diagnostics/block_execution.go
+++ b/erigon-lib/diagnostics/block_execution.go
@@ -18,10 +18,45 @@ package diagnostics
 
 import (
 	"context"
+	"encoding/json"
+	"io"
+	"sync"
 
 	"github.com/ledgerwatch/erigon-lib/log/v3"
 )
 
+type BlockEexcStatsData struct {
+	data BlockExecutionStatistics
+	mu   sync.Mutex
+}
+
+type BlockExecutionStatistics struct {
+	From        uint64  `json:"from"`
+	To          uint64  `json:"to"`
+	BlockNumber uint64  `json:"blockNumber"`
+	BlkPerSec   float64 `json:"blkPerSec"`
+	TxPerSec    float64 `json:"txPerSec"`
+	MgasPerSec  float64 `json:"mgasPerSec"`
+	GasState    float64 `json:"gasState"`
+	Batch       uint64  `json:"batch"`
+	Alloc       uint64  `json:"alloc"`
+	Sys         uint64  `json:"sys"`
+	TimeElapsed float64 `json:"timeElapsed"`
+}
+
+func (b *BlockEexcStatsData) SetData(d BlockExecutionStatistics) {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	b.data = d
+}
+
+func (b *BlockEexcStatsData) Data() (d BlockExecutionStatistics) {
+	b.mu.Lock()
+	d = b.data
+	b.mu.Unlock()
+	return
+}
+
 func (d *DiagnosticClient) setupBlockExecutionDiagnostics(rootCtx context.Context) {
 	d.runBlockExecutionListener(rootCtx)
 }
@@ -37,10 +72,7 @@ func (d *DiagnosticClient) runBlockExecutionListener(rootCtx context.Context) {
 			case <-rootCtx.Done():
 				return
 			case info := <-ch:
-				d.mu.Lock()
-				d.syncStats.BlockExecution = info
-				d.mu.Unlock()
-
+				d.BlockExecution.SetData(info)
 				if d.syncStats.SyncFinished {
 					return
 				}
@@ -48,3 +80,9 @@ func (d *DiagnosticClient) runBlockExecutionListener(rootCtx context.Context) {
 		}
 	}()
 }
+
+func (d *DiagnosticClient) BlockExecutionInfoJson(w io.Writer) {
+	if err := json.NewEncoder(w).Encode(d.BlockExecution.Data()); err != nil {
+		log.Debug("[diagnostics] BlockExecutionInfoJson", "err", err)
+	}
+}
diff --git a/erigon-lib/diagnostics/client.go b/erigon-lib/diagnostics/client.go
index 0f653b589a1..983a63459ee 100644
--- a/erigon-lib/diagnostics/client.go
+++ b/erigon-lib/diagnostics/client.go
@@ -41,6 +41,7 @@ type DiagnosticClient struct {
 
 	syncStages          []SyncStage
 	syncStats           SyncStatistics
+	BlockExecution      BlockEexcStatsData
 	snapshotFileList    SnapshoFilesList
 	mu                  sync.Mutex
 	headerMutex         sync.Mutex
diff --git a/erigon-lib/diagnostics/entities.go b/erigon-lib/diagnostics/entities.go
index ea83615c163..08bbeca5f20 100644
--- a/erigon-lib/diagnostics/entities.go
+++ b/erigon-lib/diagnostics/entities.go
@@ -91,7 +91,6 @@ type SyncStatistics struct {
 	SnapshotDownload SnapshotDownloadStatistics `json:"snapshotDownload"`
 	SnapshotIndexing SnapshotIndexingStatistics `json:"snapshotIndexing"`
 	SnapshotFillDB   SnapshotFillDBStatistics   `json:"snapshotFillDB"`
-	BlockExecution   BlockExecutionStatistics   `json:"blockExecution"`
 	SyncFinished     bool                       `json:"syncFinished"`
 }
 
@@ -167,19 +166,6 @@ type SnapshotFillDBStageUpdate struct {
 	Stage       SnapshotFillDBStage `json:"stage"`
 	TimeElapsed float64             `json:"timeElapsed"`
 }
-type BlockExecutionStatistics struct {
-	From        uint64  `json:"from"`
-	To          uint64  `json:"to"`
-	BlockNumber uint64  `json:"blockNumber"`
-	BlkPerSec   float64 `json:"blkPerSec"`
-	TxPerSec    float64 `json:"txPerSec"`
-	MgasPerSec  float64 `json:"mgasPerSec"`
-	GasState    float64 `json:"gasState"`
-	Batch       uint64  `json:"batch"`
-	Alloc       uint64  `json:"alloc"`
-	Sys         uint64  `json:"sys"`
-	TimeElapsed float64 `json:"timeElapsed"`
-}
 
 type SnapshoFilesList struct {
 	Files []string `json:"files"`