diff --git a/apps/web/src/views/detail.ejs b/apps/web/src/views/detail.ejs
index cb27bcb..d56f9b2 100644
--- a/apps/web/src/views/detail.ejs
+++ b/apps/web/src/views/detail.ejs
@@ -95,6 +95,7 @@
                 <th class="text-left px-4 py-2 font-medium">Code</th>
                 <th class="text-left px-4 py-2 font-medium">Latency</th>
                 <th class="text-left px-4 py-2 font-medium">Region</th>
+                <th class="text-left px-4 py-2 font-medium">Run ID</th>
                 <th class="text-left px-4 py-2 font-medium">Time / Jitter</th>
                 <th class="text-left px-4 py-2 font-medium">Error</th>
               </tr>
@@ -106,6 +107,7 @@
                   <td class="px-4 py-2 text-gray-300"><%= c.status_code != null ? c.status_code : '—' %></td>
                   <td class="px-4 py-2 text-gray-300"><%= c.latency_ms != null ? c.latency_ms + 'ms' : '—' %></td>
                   <td class="px-4 py-2 text-gray-500 text-sm" title="<%= c.region || '' %>"><%= c.region ? (regionFlag[c.region] || '🌐') + ' ' + c.region : '—' %></td>
+                  <td class="px-4 py-2 text-gray-600 font-mono text-xs" title="<%= c.run_id || '' %>"><%= c.run_id ? c.run_id.slice(0, 8) : '—' %></td>
                   <td class="px-4 py-2 text-gray-500"><%~ it.timeAgoSSR(c.checked_at) %><% if (c.jitter_ms != null) { %> <span class="text-gray-600 text-xs">(+<%= c.jitter_ms %>ms)</span><% } %></td>
                   <td class="px-4 py-2 text-red-400/70 text-xs truncate max-w-[200px]"><%= c.error ? c.error : '' %></td>
                 </tr>
@@ -342,6 +344,7 @@
           <td class="px-4 py-2 text-gray-300">${ping.status_code ?? '—'}</td>
           <td class="px-4 py-2 text-gray-300">${ping.latency_ms != null ? ping.latency_ms + 'ms' : '—'}</td>
           <td class="px-4 py-2 text-gray-500 text-sm" title="${ping.region || ''}">${regionDisplay}</td>
+          <td class="px-4 py-2 text-gray-600 font-mono text-xs" title="${ping.run_id || ''}">${ping.run_id ? ping.run_id.slice(0, 8) : '—'}</td>
           <td class="px-4 py-2 text-gray-500">${timeAgo(ping.checked_at)}${ping.jitter_ms != null ? ` <span class="text-gray-600 text-xs">(+${ping.jitter_ms}ms)</span>` : ''}</td>
           <td class="px-4 py-2 text-red-400/70 text-xs truncate max-w-[200px]">${ping.error ? escapeHtml(ping.error) : ''}</td>
         `;