diff --git a/polygerrit-ui/app/elements/change/gr-change-summary/gr-change-summary.ts b/polygerrit-ui/app/elements/change/gr-change-summary/gr-change-summary.ts
index f6a40a2..f6099fa 100644
--- a/polygerrit-ui/app/elements/change/gr-change-summary/gr-change-summary.ts
+++ b/polygerrit-ui/app/elements/change/gr-change-summary/gr-change-summary.ts
@@ -12,12 +12,8 @@
 import {subscribe} from '../../lit/subscription-controller';
 import {sharedStyles} from '../../../styles/shared-styles';
 import {getAppContext} from '../../../services/app-context';
-import {
-  CheckResult,
-  CheckRun,
-  ErrorMessages,
-} from '../../../models/checks/checks-model';
-import {Action, Category, RunStatus} from '../../../api/checks';
+import {CheckRun, ErrorMessages} from '../../../models/checks/checks-model';
+import {Action, Category, CheckResult, RunStatus} from '../../../api/checks';
 import {fireShowTab} from '../../../utils/event-util';
 import {
   compareByWorstCategory,
diff --git a/polygerrit-ui/app/elements/checks/gr-checks-runs.ts b/polygerrit-ui/app/elements/checks/gr-checks-runs.ts
index 19f96a1..8372b41 100644
--- a/polygerrit-ui/app/elements/checks/gr-checks-runs.ts
+++ b/polygerrit-ui/app/elements/checks/gr-checks-runs.ts
@@ -23,7 +23,6 @@
   iconForRun,
   PRIMARY_STATUS_ACTIONS,
   primaryRunAction,
-  worstCategory,
 } from '../../models/checks/checks-util';
 import {
   CheckRun,
@@ -366,7 +365,7 @@
    */
   renderAdditionalIcon() {
     if (this.run.status !== RunStatus.RUNNING) return nothing;
-    const category = worstCategory(this.run);
+    const category = this.run.worstCategory;
     if (!category) return nothing;
     const icon = iconFor(category);
     return html`
diff --git a/polygerrit-ui/app/elements/checks/gr-hovercard-run.ts b/polygerrit-ui/app/elements/checks/gr-hovercard-run.ts
index 5c17dcd..d1ef25b 100644
--- a/polygerrit-ui/app/elements/checks/gr-hovercard-run.ts
+++ b/polygerrit-ui/app/elements/checks/gr-hovercard-run.ts
@@ -7,13 +7,12 @@
 import {fontStyles} from '../../styles/gr-font-styles';
 import {customElement, property} from 'lit/decorators.js';
 import './gr-checks-action';
-import {CheckRun} from '../../models/checks/checks-model';
+import {CheckRun, RunResult} from '../../models/checks/checks-model';
 import {
   AttemptDetail,
   ChecksIcon,
   iconFor,
   runActions,
-  worstCategory,
 } from '../../models/checks/checks-util';
 import {durationString, fromNow} from '../../utils/date-util';
 import {RunStatus} from '../../api/checks';
@@ -28,7 +27,7 @@
 @customElement('gr-hovercard-run')
 export class GrHovercardRun extends base {
   @property({type: Object})
-  run?: CheckRun;
+  run?: RunResult | CheckRun;
 
   static override get styles() {
     return [
@@ -357,8 +356,7 @@
 
   computeIcon(): ChecksIcon {
     if (!this.run) return {name: ''};
-    const category = worstCategory(this.run);
-    if (category) return iconFor(category);
+    if (this.run.worstCategory) return iconFor(this.run.worstCategory);
     return this.run.status === RunStatus.COMPLETED
       ? iconFor(RunStatus.COMPLETED)
       : {name: ''};
diff --git a/polygerrit-ui/app/models/checks/checks-fakes.ts b/polygerrit-ui/app/models/checks/checks-fakes.ts
index d50ddba..1890639 100644
--- a/polygerrit-ui/app/models/checks/checks-fakes.ts
+++ b/polygerrit-ui/app/models/checks/checks-fakes.ts
@@ -26,6 +26,7 @@
   isSingleAttempt: true,
   isLatestAttempt: true,
   attemptDetails: [],
+  worstCategory: Category.ERROR,
   results: [
     {
       internalResultId: 'f0r0',
@@ -94,6 +95,7 @@
   isSingleAttempt: true,
   isLatestAttempt: true,
   attemptDetails: [],
+  worstCategory: Category.ERROR,
   results: [
     {
       internalResultId: 'f1r0',
@@ -228,6 +230,7 @@
       callback: () => Promise.resolve({message: 'fake "delete" triggered'}),
     },
   ],
+  worstCategory: Category.INFO,
   results: [
     {
       internalResultId: 'f2r0',
@@ -276,6 +279,7 @@
   isSingleAttempt: false,
   isLatestAttempt: false,
   attemptDetails: [],
+  worstCategory: Category.INFO,
   results: [
     {
       internalResultId: 'f42r0',
@@ -294,6 +298,7 @@
   isSingleAttempt: false,
   isLatestAttempt: false,
   attemptDetails: [],
+  worstCategory: Category.ERROR,
   results: [
     {
       internalResultId: 'f43r0',
@@ -320,6 +325,7 @@
   isSingleAttempt: false,
   isLatestAttempt: true,
   attemptDetails: [],
+  worstCategory: Category.INFO,
   results: [
     {
       internalResultId: 'f44r0',
@@ -380,6 +386,7 @@
     isSingleAttempt: false,
     isLatestAttempt: false,
     attemptDetails: [],
+    worstCategory: Category.ERROR,
     results:
       attempt % 2 === 0
         ? [
diff --git a/polygerrit-ui/app/models/checks/checks-model.ts b/polygerrit-ui/app/models/checks/checks-model.ts
index 25785e4..612862b 100644
--- a/polygerrit-ui/app/models/checks/checks-model.ts
+++ b/polygerrit-ui/app/models/checks/checks-model.ts
@@ -9,6 +9,7 @@
   createAttemptMap,
   LATEST_ATTEMPT,
   sortAttemptDetails,
+  worstCategory,
 } from './checks-util';
 import {assertIsDefined} from '../../utils/common-util';
 import {select} from '../../utils/observable-util';
@@ -104,6 +105,12 @@
    * List of all attempts for the same check, ordered by attempt number.
    */
   attemptDetails: AttemptDetail[];
+
+  /**
+   * The category of the worst check result in the run.
+   */
+  worstCategory?: Category;
+
   results?: CheckResult[];
 }
 
@@ -119,7 +126,18 @@
   Pick<CheckRun, 'patchset'> &
   Pick<CheckRun, 'isLatestAttempt'> &
   Pick<CheckRun, 'checkName'> &
-  Pick<CheckRun, 'labelName'> & {results?: never};
+  Pick<CheckRun, 'labelName'> &
+  Pick<CheckRun, 'status'> &
+  Pick<CheckRun, 'statusLink'> &
+  Pick<CheckRun, 'statusDescription'> &
+  Pick<CheckRun, 'startedTimestamp'> &
+  Pick<CheckRun, 'scheduledTimestamp'> &
+  Pick<CheckRun, 'finishedTimestamp'> &
+  Pick<CheckRun, 'checkLink'> &
+  Pick<CheckRun, 'checkDescription'> &
+  Pick<CheckRun, 'actions'> &
+  Pick<CheckRun, 'attemptDetails'> &
+  Pick<CheckRun, 'worstCategory'> & {results?: never};
 
 export function runResult(run: CheckRun, result: CheckResult): RunResult {
   return {
@@ -129,6 +147,17 @@
     isLatestAttempt: run.isLatestAttempt,
     checkName: run.checkName,
     labelName: run.labelName,
+    status: run.status,
+    statusLink: run.statusLink,
+    statusDescription: run.statusDescription,
+    startedTimestamp: run.startedTimestamp,
+    scheduledTimestamp: run.scheduledTimestamp,
+    finishedTimestamp: run.finishedTimestamp,
+    checkLink: run.checkLink,
+    checkDescription: run.checkDescription,
+    actions: run.actions,
+    attemptDetails: run.attemptDetails,
+    worstCategory: run.worstCategory,
     ...result,
   };
 }
@@ -593,6 +622,7 @@
           isLatestAttempt: attemptInfo.latestAttempt === (run.attempt ?? 0),
           isSingleAttempt: attemptInfo.isSingleAttempt,
           attemptDetails: attemptInfo.attempts,
+          worstCategory: worstCategory(run),
           results: (run.results ?? []).map((result, i) => {
             return {
               ...result,
@@ -637,7 +667,11 @@
         }
         return result;
       });
-      return resultUpdated ? {...run, results} : run;
+      if (resultUpdated) {
+        run = {...run, results};
+        run.worstCategory = worstCategory(run);
+      }
+      return run;
     });
     if (!runUpdated) return;
     pluginState[pluginName] = {
diff --git a/polygerrit-ui/app/models/checks/checks-util.ts b/polygerrit-ui/app/models/checks/checks-util.ts
index 86c4b49..a567fb5 100644
--- a/polygerrit-ui/app/models/checks/checks-util.ts
+++ b/polygerrit-ui/app/models/checks/checks-util.ts
@@ -164,7 +164,7 @@
   return r;
 }
 
-export function worstCategory(run: CheckRun) {
+export function worstCategory(run: CheckRunApi) {
   if (hasResultsOf(run, Category.ERROR)) return Category.ERROR;
   if (hasResultsOf(run, Category.WARNING)) return Category.WARNING;
   if (hasResultsOf(run, Category.INFO)) return Category.INFO;
@@ -288,7 +288,7 @@
   )[0];
 }
 
-export function runActions(run?: CheckRun): Action[] {
+export function runActions(run?: CheckRun | RunResult): Action[] {
   if (!run?.actions) return [];
   return run.actions.map(action => toCanonicalAction(action, run.status));
 }
@@ -297,7 +297,7 @@
   if (run.status !== RunStatus.COMPLETED) {
     return iconFor(run.status);
   } else {
-    const category = worstCategory(run);
+    const category = run.worstCategory;
     return category ? iconFor(category) : iconFor(run.status);
   }
 }
@@ -340,16 +340,16 @@
   );
 }
 
-export function hasResultsOf(run: CheckRun, category: Category) {
+export function hasResultsOf(run: CheckRunApi, category: Category) {
   return getResultsOf(run, category).length > 0;
 }
 
-export function getResultsOf(run: CheckRun, category: Category) {
+export function getResultsOf(run: CheckRunApi, category: Category) {
   return (run.results ?? []).filter(r => r.category === category);
 }
 
 export function compareByWorstCategory(a: CheckRun, b: CheckRun) {
-  const catComp = catLevel(worstCategory(b)) - catLevel(worstCategory(a));
+  const catComp = catLevel(b.worstCategory) - catLevel(a.worstCategory);
   if (catComp !== 0) return catComp;
   const statusComp = runLevel(b.status) - runLevel(a.status);
   return statusComp;
@@ -490,6 +490,7 @@
     isSingleAttempt: false,
     isLatestAttempt: false,
     attemptDetails: [],
+    worstCategory: worstCategory(run),
     results: (run.results ?? []).map(fromApiToInternalResult),
   };
 }
diff --git a/polygerrit-ui/app/test/test-data-generators.ts b/polygerrit-ui/app/test/test-data-generators.ts
index 205bda4..38d50d5 100644
--- a/polygerrit-ui/app/test/test-data-generators.ts
+++ b/polygerrit-ui/app/test/test-data-generators.ts
@@ -1129,6 +1129,8 @@
     pluginName: 'test-plugin-name',
     summary: 'This is the test summary.',
     message: 'This is the test message.',
+    status: RunStatus.COMPLETED,
+    attemptDetails: [{attempt: 'latest'}],
   };
 }