diff --git a/pkg/cmd/run/cancel/cancel.go b/pkg/cmd/run/cancel/cancel.go
index e5f77e016..c29de543a 100644
--- a/pkg/cmd/run/cancel/cancel.go
+++ b/pkg/cmd/run/cancel/cancel.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
+	"strconv"
 
 	"github.com/cli/cli/v2/api"
 	"github.com/cli/cli/v2/internal/ghrepo"
@@ -59,6 +60,12 @@ func NewCmdCancel(f *cmdutil.Factory, runF func(*CancelOptions) error) *cobra.Co
 }
 
 func runCancel(opts *CancelOptions) error {
+	if opts.RunID != "" {
+		_, err := strconv.Atoi(opts.RunID)
+		if err != nil {
+			return fmt.Errorf("invalid run_id %#v", opts.RunID)
+		}
+	}
 	httpClient, err := opts.HttpClient()
 	if err != nil {
 		return fmt.Errorf("failed to create http client: %w", err)
@@ -120,7 +127,7 @@ func runCancel(opts *CancelOptions) error {
 		return err
 	}
 
-	fmt.Fprintf(opts.IO.Out, "%s Request to cancel workflow submitted.\n", cs.SuccessIcon())
+	fmt.Fprintf(opts.IO.Out, "%s Request to cancel workflow %s submitted.\n", cs.SuccessIcon(), runID)
 
 	return nil
 }
diff --git a/pkg/cmd/run/cancel/cancel_test.go b/pkg/cmd/run/cancel/cancel_test.go
index fdfedfa0c..78906ad2e 100644
--- a/pkg/cmd/run/cancel/cancel_test.go
+++ b/pkg/cmd/run/cancel/cancel_test.go
@@ -111,7 +111,7 @@ func TestRunCancel(t *testing.T) {
 					httpmock.REST("POST", "repos/OWNER/REPO/actions/runs/1234/cancel"),
 					httpmock.StatusStringResponse(202, "{}"))
 			},
-			wantOut: "✓ Request to cancel workflow submitted.\n",
+			wantOut: "✓ Request to cancel workflow 1234 submitted.\n",
 		},
 		{
 			name: "not found",
@@ -201,7 +201,17 @@ func TestRunCancel(t *testing.T) {
 						return prompter.IndexFor(opts, "* cool commit, CI (trunk) Feb 23, 2021")
 					})
 			},
-			wantOut: "✓ Request to cancel workflow submitted.\n",
+			wantOut: "✓ Request to cancel workflow 1234 submitted.\n",
+		},
+		{
+			name: "invalid run_id",
+			opts: &CancelOptions{
+				RunID: "12\n34",
+			},
+			httpStubs: func(reg *httpmock.Registry) {
+			},
+			wantErr: true,
+			errMsg:  "invalid run_id \"12\\n34\"",
 		},
 	}