3 files changed, 4 insertions, 2 deletions
diff --git a/web/frontend/ride-detail-boundaries.ts b/web/frontend/ride-detail-boundaries.ts
index 22a1255..a9bb8e1 100644
--- a/web/frontend/ride-detail-boundaries.ts
+++ b/web/frontend/ride-detail-boundaries.ts
@@ -118,6 +118,7 @@ export class RideBoundaryController {
 
   boundaryLabel(index: number): string {
     const point = this.points[index];
-    return `${formatDistance(point.distanceKm)} · ${formatElevation(point.elevationM)}`;
+    const idx = point.index ?? index;
+    return `#${idx} · ${formatDistance(point.distanceKm)} · ${formatElevation(point.elevationM)}`;
   }
 }
diff --git a/web/frontend/ride-detail.ts b/web/frontend/ride-detail.ts
index 045372e..b8d2898 100644
--- a/web/frontend/ride-detail.ts
+++ b/web/frontend/ride-detail.ts
@@ -93,7 +93,7 @@ export const mountRideDetail = (): void => {
       }
       const point = points[index];
       mapController.showPoint(index);
-      hoverOutput.textContent = `${formatDistance(point.distanceKm)} · ${formatElevation(point.elevationM)}`;
+      hoverOutput.textContent = `#${point.index ?? index} · ${formatDistance(point.distanceKm)} · ${formatElevation(point.elevationM)}`;
     },
   });
 
diff --git a/web/frontend/types.d.ts b/web/frontend/types.d.ts
index 790abe6..87be024 100644
--- a/web/frontend/types.d.ts
+++ b/web/frontend/types.d.ts
@@ -8,6 +8,7 @@ export interface ProfilePoint {
 }
 
 export interface RideProfilePoint extends ProfilePoint {
+  index: number;
   latitude: number;
   longitude: number;
 }