diff --git a/src/flask/templates/analysis.html b/src/flask/templates/analysis.html
index a42ad75..a626181 100644
--- a/src/flask/templates/analysis.html
+++ b/src/flask/templates/analysis.html
@@ -184,7 +184,7 @@
     </div>
     <div class="card__body">
         <p>
-            Across {{ stats.trusted_count }} finished brews the attenuation averages
+            Across {% if stats.suspect_count %}{{ stats.trusted_count }} of {{ stats.count }}{% else %}{{ stats.count }}{% endif %} finished brews the attenuation averages
             <strong>{{ stats.consistency.mean }}%</strong>, with a standard
             deviation of <strong>{{ stats.consistency.stdev }} percentage
             points</strong> and a total range of {{ stats.consistency.spread }}
diff --git a/src/flask/views/brews.py b/src/flask/views/brews.py
index 28ac62d..02a24c1 100644
--- a/src/flask/views/brews.py
+++ b/src/flask/views/brews.py
@@ -208,6 +208,9 @@ def api_run(run_id: str):
     summary = run_summary(run, og_override=meta.get("og_points"))
     summary["canonical_name"] = meta.get("name") or run.display_name()
     summary["tap_number"] = meta.get("tap_number")
+    # The same flag the list endpoint carries, so a consumer of the detail
+    # endpoint can tell an impossible run from a good one.
+    summary["suspect"] = bool(implausible_runs([run]))
     return jsonify(summary)
 
 
diff --git a/tests/test_analysis.py b/tests/test_analysis.py
index 79cd3a0..cdb3dce 100644
--- a/tests/test_analysis.py
+++ b/tests/test_analysis.py
@@ -361,6 +361,23 @@ def test_a_suspect_run_is_not_the_strongest_brew_in_the_history(logged_in, repo)
     )
 
 
+def test_the_run_detail_api_also_flags_a_suspect_run(logged_in, repo):
+    """The detail endpoint carries the same flag as the list endpoint.
+
+    A consumer of /api/runs/<run_id> must be able to tell an impossible
+    run from a good one.
+    """
+    _two_runs(repo)
+
+    response = logged_in.get("/api/runs/12")
+    assert response.status_code == 200
+    assert response.get_json()["suspect"] is True
+
+    response = logged_in.get("/api/runs/1")
+    assert response.status_code == 200
+    assert response.get_json()["suspect"] is False
+
+
 def test_the_charts_skip_suspect_runs():
     """The chart script must leave the suspect runs out.