diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5d2df8db..4ec9b8b6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,6 +56,7 @@ jobs:
         uses: ./testdata/actions/coverage
         env:
           MACKEREL_API_KEY: ${{ secrets.MACKEREL_API_KEY }}
+          OCTOCOV_CUSTOM_METRICS_BENCHMARK_0: ./testdata/custom_metrics/benchmark_0.json
 
       - name: Show rate limit
         run: |
diff --git a/cmd/comment.go b/cmd/comment.go
index 2e657ca2..5022795e 100644
--- a/cmd/comment.go
+++ b/cmd/comment.go
@@ -70,6 +70,9 @@ func createReportContent(ctx context.Context, c *config.Config, r, rPrev *report
 		d := r.Compare(rPrev)
 		table = d.Table()
 		fileTable = d.FileCoveagesTable(files)
+		for _, s := range d.CustomMetrics {
+			customTables = append(customTables, s.Table())
+		}
 	} else {
 		table = r.Table()
 		fileTable = r.FileCoveagesTable(files)
diff --git a/report/custom.go b/report/custom.go
index 579a4375..6ba255f3 100644
--- a/report/custom.go
+++ b/report/custom.go
@@ -133,3 +133,24 @@ func (m *CustomMetric) Compare(m2 *CustomMetric) *DiffCustomMetric {
 
 	return d
 }
+
+func (d *DiffCustomMetricSet) Table() string {
+	if len(d.Metrics) == 0 {
+		return ""
+	}
+	buf := new(bytes.Buffer)
+	_, _ = buf.WriteString(fmt.Sprintf("## %s\n\n", d.Name))
+	table := tablewriter.NewWriter(buf)
+	table.SetAutoFormatHeaders(false)
+	table.SetAutoWrapText(false)
+	table.SetBorders(tablewriter.Border{Left: true, Top: false, Right: true, Bottom: false})
+	table.SetCenterSeparator("|")
+	table.SetColumnAlignment([]int{tablewriter.ALIGN_LEFT, tablewriter.ALIGN_RIGHT, tablewriter.ALIGN_RIGHT, tablewriter.ALIGN_RIGHT})
+
+	table.SetHeader([]string{"", makeHeadTitleWithLink(d.reportB.Ref, d.reportB.Commit, nil), makeHeadTitleWithLink(d.reportA.Ref, d.reportA.Commit, nil), "+/-"})
+	for _, metric := range d.Metrics {
+		table.Append([]string{metric.Name, fmt.Sprintf("%.1f%s", *metric.B, metric.customMetricB.Unit), fmt.Sprintf("%.1f%s", *metric.A, metric.customMetricA.Unit), fmt.Sprintf("%.1f%s", metric.Diff, metric.customMetricA.Unit)})
+	}
+	table.Render()
+	return strings.Replace(strings.Replace(buf.String(), "---|", "--:|", 4), "--:|", "---|", 1)
+}