diff --git a/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.module.scss b/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.module.scss
index b0e8634cf..bd8bb596f 100644
--- a/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.module.scss
+++ b/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.module.scss
@@ -150,6 +150,10 @@
     color: #ea1900;
 }
 
+.testStatusCancelled {
+    color: #767676;
+}
+
 .level-1 {
     color: #555 !important;
 }
diff --git a/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.spec.tsx b/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.spec.tsx
index ce0827d80..7327b0179 100644
--- a/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.spec.tsx
+++ b/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.spec.tsx
@@ -5,6 +5,7 @@ import { SubmissionsTable } from './SubmissionsTable'
 
 jest.mock('~/libs/ui', () => ({
     IconOutline: {
+        BanIcon: (): JSX.Element => <svg data-testid='ban-icon' />,
         ClockIcon: (): JSX.Element => <svg data-testid='clock-icon' />,
         XCircleIcon: (): JSX.Element => <svg data-testid='x-circle-icon' />,
     },
@@ -55,7 +56,7 @@ jest.mock('../../utils', () => ({
                 metadata?: {
                     testProcess?: 'example' | 'provisional' | 'system'
                     testProgress?: number
-                    testStatus?: 'FAILED' | 'IN PROGRESS' | 'SUCCESS'
+                    testStatus?: 'CANCELLED' | 'FAILED' | 'IN PROGRESS' | 'SUCCESS'
                     testType?: 'example' | 'provisional' | 'system'
                 }
             }>
@@ -337,6 +338,45 @@ describe('SubmissionsTable', () => {
             .toBeTruthy()
     })
 
+    it('renders a cancelled test status without a score for a superseded marathon run', () => {
+        render(
+            <SubmissionsTable
+                canDownloadSubmissions
+                challengeId='challenge-123'
+                onDownloadSubmission={jest.fn()}
+                onOpenArtifacts={jest.fn()}
+                onSort={jest.fn()}
+                showMarathonMatchTestProgress
+                sortBy='createdAt'
+                sortOrder='desc'
+                submissions={[
+                    {
+                        challengeId: 'challenge-123',
+                        createdBy: 'member-1',
+                        id: 'submission-1',
+                        reviewSummation: [
+                            {
+                                aggregateScore: -1,
+                                isProvisional: true,
+                                metadata: {
+                                    testProcess: 'provisional',
+                                    testProgress: 1,
+                                    testStatus: 'CANCELLED',
+                                },
+                            },
+                        ],
+                        type: 'SUBMISSION',
+                    },
+                ]}
+            />,
+        )
+
+        expect(screen.getByRole('img', { name: 'Test status: CANCELLED' }))
+            .toBeTruthy()
+        expect(screen.queryByText('-1.00'))
+            .toBeNull()
+    })
+
     it('renders marathon scores from provisional and system summations only', () => {
         render(
             <SubmissionsTable
diff --git a/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.tsx b/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.tsx
index 0f47b1bb2..6552b9231 100644
--- a/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.tsx
+++ b/src/apps/work/src/lib/components/SubmissionsTable/SubmissionsTable.tsx
@@ -134,6 +134,17 @@ function getCreatedAt(submission: Submission): string {
         || ''
 }
 
+/**
+ * Returns whether a marathon test status means no score was produced.
+ * @param status Normalized test status from review summation metadata.
+ * @returns `true` while tests are running and when a run was cancelled.
+ * Used by `SubmissionsTable` so the placeholder aggregate score written for a
+ * superseded scorer run is not displayed as a real score.
+ */
+function isUnscoredTestStatus(status?: string): boolean {
+    return status === 'IN PROGRESS' || status === 'CANCELLED'
+}
+
 function formatScore(value?: number, emptyValue: string = 'N/A'): string {
     if (typeof value !== 'number' || !Number.isFinite(value)) {
         return emptyValue
@@ -276,6 +287,19 @@ function renderTestStatusIcon(status: string | undefined): ReactElement | undefi
         )
     }
 
+    if (status === 'CANCELLED') {
+        return (
+            <span
+                aria-label='Test status: CANCELLED'
+                className={classNames(styles.testStatusIcon, styles.testStatusCancelled)}
+                role='img'
+                title='CANCELLED'
+            >
+                <IconOutline.BanIcon aria-hidden='true' />
+            </span>
+        )
+    }
+
     return undefined
 }
 
@@ -384,17 +408,17 @@ export const SubmissionsTable: FC<SubmissionsTableProps> = (
                         const emptyScoreValue = props.showMarathonMatchTestProgress
                             ? '-'
                             : 'N/A'
-                        const isInitialScoreInProgress = testProgress?.status === 'IN PROGRESS'
+                        const isInitialScoreUnscored = isUnscoredTestStatus(testProgress?.status)
                             && (
-                                testProgress.process === 'example'
-                                || testProgress.process === 'provisional'
+                                testProgress?.process === 'example'
+                                || testProgress?.process === 'provisional'
                             )
-                        const isFinalScoreInProgress = testProgress?.status === 'IN PROGRESS'
-                            && testProgress.process === 'system'
-                        const initialScore = isInitialScoreInProgress
+                        const isFinalScoreUnscored = isUnscoredTestStatus(testProgress?.status)
+                            && testProgress?.process === 'system'
+                        const initialScore = isInitialScoreUnscored
                             ? 'N/A'
                             : formatScore(initialScoreValue, emptyScoreValue)
-                        const finalScore = isFinalScoreInProgress
+                        const finalScore = isFinalScoreUnscored
                             ? 'N/A'
                             : formatScore(finalScoreValue, emptyScoreValue)
                         const reviewTab = submission.type === 'CHECKPOINT_SUBMISSION'
diff --git a/src/apps/work/src/lib/models/Submission.model.ts b/src/apps/work/src/lib/models/Submission.model.ts
index c536320dc..c09bc8464 100644
--- a/src/apps/work/src/lib/models/Submission.model.ts
+++ b/src/apps/work/src/lib/models/Submission.model.ts
@@ -1,6 +1,6 @@
 export type SubmissionStatus = 'active' | 'completed' | 'deleted' | 'failed' | 'pending' | string
 export type MarathonMatchTestProcess = 'provisional' | 'system' | string
-export type MarathonMatchTestStatus = 'FAILED' | 'IN PROGRESS' | 'SUCCESS' | string
+export type MarathonMatchTestStatus = 'CANCELLED' | 'FAILED' | 'IN PROGRESS' | 'SUCCESS' | string
 
 export interface SubmissionReview {
     createdAt?: string
diff --git a/src/apps/work/src/lib/utils/challenge.utils.spec.ts b/src/apps/work/src/lib/utils/challenge.utils.spec.ts
index b946bb417..9b98bbfc0 100644
--- a/src/apps/work/src/lib/utils/challenge.utils.spec.ts
+++ b/src/apps/work/src/lib/utils/challenge.utils.spec.ts
@@ -116,6 +116,26 @@ describe('challenge utils', () => {
                 })
         })
 
+        it('surfaces cancelled provisional runs superseded by a newer submission', () => {
+            expect(getSubmissionTestProgress({
+                reviewSummation: [
+                    {
+                        isProvisional: true,
+                        metadata: {
+                            testProcess: 'provisional',
+                            testProgress: 1,
+                            testStatus: 'CANCELLED',
+                        },
+                    },
+                ],
+            }))
+                .toEqual({
+                    process: 'provisional',
+                    progressPercent: '100%',
+                    status: 'CANCELLED',
+                })
+        })
+
         it('prefers a completed provisional process over a later example process', () => {
             expect(getSubmissionTestProgress({
                 reviewSummation: [
diff --git a/src/apps/work/src/lib/utils/challenge.utils.ts b/src/apps/work/src/lib/utils/challenge.utils.ts
index 2f2758701..98474491a 100644
--- a/src/apps/work/src/lib/utils/challenge.utils.ts
+++ b/src/apps/work/src/lib/utils/challenge.utils.ts
@@ -15,6 +15,7 @@ interface SubmissionScore {
 }
 
 type MarathonMatchScoreProcess = 'example' | 'provisional' | 'system'
+type MarathonMatchTestStatusDisplay = 'CANCELLED' | 'FAILED' | 'IN PROGRESS' | 'SUCCESS'
 
 interface ScoredSubmissionLike {
     review?: Array<{
@@ -34,7 +35,7 @@ interface ScoredSubmissionLike {
 export interface SubmissionTestProgressDisplay {
     process?: MarathonMatchScoreProcess
     progressPercent?: string
-    status?: 'FAILED' | 'IN PROGRESS' | 'SUCCESS'
+    status?: MarathonMatchTestStatusDisplay
 }
 
 interface SubmissionTestProgressCandidate extends SubmissionTestProgressDisplay {
@@ -270,14 +271,21 @@ function normalizeTestProcess(value: unknown): MarathonMatchScoreProcess | undef
  * @param value Metadata status value from Review API.
  * @returns Supported UI status or `undefined` when the status is absent/unknown.
  * Used by `getSubmissionTestProgress` before choosing the current summation.
+ * `CANCELLED` marks a scorer that was stopped because the member submitted a
+ * newer solution, so the run is terminal without producing a score.
  */
-function normalizeTestStatus(value: unknown): 'FAILED' | 'IN PROGRESS' | 'SUCCESS' | undefined {
+function normalizeTestStatus(value: unknown): MarathonMatchTestStatusDisplay | undefined {
     const normalized = typeof value === 'string'
         ? value.trim()
             .toUpperCase()
         : ''
 
-    if (normalized === 'FAILED' || normalized === 'IN PROGRESS' || normalized === 'SUCCESS') {
+    if (
+        normalized === 'CANCELLED'
+        || normalized === 'FAILED'
+        || normalized === 'IN PROGRESS'
+        || normalized === 'SUCCESS'
+    ) {
         return normalized
     }
 
@@ -355,7 +363,7 @@ function toSubmissionTestProgressCandidate(
     const progress = normalizeTestProgress(entry.metadata?.testProgress)
     let statusPriority = 0
 
-    if (status === 'FAILED') {
+    if (status === 'FAILED' || status === 'CANCELLED') {
         statusPriority = 2
     } else if (status === 'SUCCESS') {
         statusPriority = 1