diff --git a/docs/interface/index.md b/docs/interface/index.md
index 8c25987..32ae071 100644
--- a/docs/interface/index.md
+++ b/docs/interface/index.md
@@ -57,6 +57,8 @@ Always answers, degraded or not. The tiles cover:
 - **Flows** — total, running, paused, quarantined, and how many cannot run
   because their graph does not validate
 - **Nodes** — how many failed to load
+- **Runs running** — batch runs in flight right now, and how many are
+  waiting. Only on an installation that has run something
 - **Queue** — depth, and how old the oldest pending item is
 - **Loop lag** — whether the engine's event loop is keeping up
 
diff --git a/frontend/src/components/Health/HealthOverview.tsx b/frontend/src/components/Health/HealthOverview.tsx
index 7339fc6..6a4826d 100644
--- a/frontend/src/components/Health/HealthOverview.tsx
+++ b/frontend/src/components/Health/HealthOverview.tsx
@@ -5,6 +5,7 @@ import type { FlowRollup, HistoryPoint } from "@/client"
 import { type Range, RangePicker } from "@/components/Common/RangePicker"
 import { Sparkline } from "@/components/Common/Sparkline"
 import { PANEL_SECTION } from "@/components/Flow/SidePanel"
+import { runOverviewQueryOptions } from "@/components/Runs/queries"
 import { Badge } from "@/components/ui/badge"
 import { dur, si } from "@/lib/utils"
 import {
@@ -82,10 +83,17 @@ export function HealthOverview({
   const { data: flows } = useQuery(flowRollupsQueryOptions(range))
   // Shares the list below's cache entry, for the one tile that dates them.
   const { data: failures } = useQuery(failuresQueryOptions(range))
+  // Shares the Runs screen's cache entry, which already counts by status in
+  // the database rather than over a page of rows.
+  const { data: runs } = useQuery(runOverviewQueryOptions())
 
   const queue = (summary?.queue ?? {}) as Record<string, number>
   const degraded = summary?.status === "degraded"
   const errors = (flows ?? []).reduce((total, row) => total + row.errors, 0)
+  // An installation nobody has run a batch flow on has no runs tile at all —
+  // the same "nothing has been run yet" the Runs screen itself goes by.
+  const running = (runs ?? []).reduce((total, row) => total + row.running, 0)
+  const queued = (runs ?? []).reduce((total, row) => total + row.queued, 0)
 
   return (
     <>
@@ -105,7 +113,9 @@ export function HealthOverview({
           </p>
         ) : null}
 
-        <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-5">
+        <div
+          className={`grid gap-3 sm:grid-cols-2 ${runs?.length ? "lg:grid-cols-6" : "lg:grid-cols-5"}`}
+        >
           <Tile
             label="Nodes"
             value={String(summary?.nodes.total ?? 0)}
@@ -132,6 +142,13 @@ export function HealthOverview({
                 .join(" · ") || "none paused"
             }
           />
+          {runs?.length ? (
+            <Tile
+              label="Runs running"
+              value={String(running)}
+              note={queued ? `${queued} queued` : "none queued"}
+            />
+          ) : null}
           <Tile
             label={`Failures (${range.label})`}
             // Summed from the rollups the table below is drawn from, so the