diff --git a/backend/controller/remoteBrowser.go b/backend/controller/remoteBrowser.go
index 9ac9a5b..7e91eb0 100644
--- a/backend/controller/remoteBrowser.go
+++ b/backend/controller/remoteBrowser.go
@@ -14,6 +14,7 @@ import (
 	"math/rand"
 	"net/http"
 	"net/url"
+	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -924,6 +925,18 @@ func (m *RemoteBrowserController) ServeVictim(g *gin.Context) {
 			}
 		case "log":
 			m.Logger.Debugw(evt.Message, "campaign_id", campaignID, "recipient_id", recipientID)
+			// persist the script log line as a recipient event so it shows in
+			// the campaign timeline for this recipient. runner diagnostics are
+			// only for the editor panel and are kept out of the timeline.
+			if !isInternalRunnerLog(evt.Message) {
+				logMsg := evt.Message
+				if evt.Data != nil {
+					if b, mErr := json.Marshal(evt.Data); mErr == nil {
+						logMsg = logMsg + " " + string(b)
+					}
+				}
+				m.saveInfoEvent(context.Background(), &campaignID, &recipientID, logMsg, clientIP, userAgent)
+			}
 		}
 	}
 
@@ -1960,6 +1973,30 @@ func (m *RemoteBrowserController) saveCaptureEvent(
 	}
 }
 
+// internalRunnerLogPrefixes tag the log lines the runner emits about its own
+// operation. They help while testing a script in the editor but are noise in a
+// recipient timeline, so they are not saved as recipient events.
+var internalRunnerLogPrefixes = []string{
+	"[session]",
+	"[chrome]",
+	"[dbg]",
+	"[screenshot]",
+	"[domDump]",
+	"[waitForEvent]",
+	"[stream]",
+}
+
+// isInternalRunnerLog reports whether msg is a runner diagnostic rather than a
+// line the script author wrote with log().
+func isInternalRunnerLog(msg string) bool {
+	for _, p := range internalRunnerLogPrefixes {
+		if strings.HasPrefix(msg, p) {
+			return true
+		}
+	}
+	return false
+}
+
 func (m *RemoteBrowserController) saveInfoEvent(
 	ctx context.Context,
 	campaignID *uuid.UUID,