diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9163f49..79915a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 2.6.0
+* Feature: Add `sort-suites` input to order test suites by execution time (descending)
+
 ## 2.5.0
 * Feature: Add Nette Tester support with `tester-junit` reporter https://github.com/dorny/test-reporter/pull/707
 * Maintenance: Bump actions/upload-artifact from 5 to 6 https://github.com/dorny/test-reporter/pull/695
diff --git a/action.yml b/action.yml
index 8dbc85c..e98fc93 100644
--- a/action.yml
+++ b/action.yml
@@ -46,6 +46,13 @@ inputs:
         - none
     required: false
     default: 'all'
+  sort-suites:
+    description: |
+      Sort order for test suites. Supported options:
+        - name: Sort alphabetically by name (default)
+        - time-desc: Sort by execution time, slowest first
+    required: false
+    default: 'name'
   list-tests:
     description: |
       Limits which test cases are listed. Supported options:
diff --git a/dist/index.js b/dist/index.js
index b24a507..1eebaea 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -303,6 +303,7 @@ class TestReporter {
     pathReplaceBackslashes = core.getInput('path-replace-backslashes', { required: false }) === 'true';
     reporter = core.getInput('reporter', { required: true });
     listSuites = core.getInput('list-suites', { required: true });
+    sortSuites = core.getInput('sort-suites', { required: false });
     listTests = core.getInput('list-tests', { required: true });
     maxAnnotations = parseInt(core.getInput('max-annotations', { required: true }));
     failOnError = core.getInput('fail-on-error', { required: true }) === 'true';
@@ -322,6 +323,10 @@ class TestReporter {
             core.setFailed(`Input parameter 'list-suites' has invalid value`);
             return;
         }
+        if (this.sortSuites !== 'name' && this.sortSuites !== 'time-desc') {
+            core.setFailed(`Input parameter 'sort-suites' has invalid value`);
+            return;
+        }
         if (this.listTests !== 'all' && this.listTests !== 'failed' && this.listTests !== 'none') {
             core.setFailed(`Input parameter 'list-tests' has invalid value`);
             return;
@@ -409,7 +414,7 @@ class TestReporter {
                 throw error;
             }
         }
-        const { listSuites, listTests, onlySummary, useActionsSummary, badgeTitle, reportTitle, collapsed } = this;
+        const { listSuites, sortSuites, listTests, onlySummary, useActionsSummary, badgeTitle, reportTitle, collapsed } = this;
         const passed = results.reduce((sum, tr) => sum + tr.passed, 0);
         const failed = results.reduce((sum, tr) => sum + tr.failed, 0);
         const skipped = results.reduce((sum, tr) => sum + tr.skipped, 0);
@@ -418,6 +423,7 @@ class TestReporter {
         if (this.useActionsSummary) {
             const summary = (0, get_report_1.getReport)(results, {
                 listSuites,
+                sortSuites,
                 listTests,
                 baseUrl,
                 onlySummary,
@@ -446,6 +452,7 @@ class TestReporter {
             baseUrl = createResp.data.html_url;
             const summary = (0, get_report_1.getReport)(results, {
                 listSuites,
+                sortSuites,
                 listTests,
                 baseUrl,
                 onlySummary,
@@ -2446,6 +2453,7 @@ const MAX_ACTIONS_SUMMARY_LENGTH = 1048576;
 exports.DEFAULT_OPTIONS = {
     listSuites: 'all',
     listTests: 'all',
+    sortSuites: 'name',
     baseUrl: '',
     onlySummary: false,
     useActionsSummary: true,
@@ -2454,7 +2462,7 @@ exports.DEFAULT_OPTIONS = {
     collapsed: 'auto'
 };
 function getReport(results, options = exports.DEFAULT_OPTIONS, shortSummary = '') {
-    applySort(results);
+    applySort(results, options);
     const opts = { ...options };
     let lines = renderReport(results, opts, shortSummary);
     let report = lines.join('\n');
@@ -2502,10 +2510,15 @@ function trimReport(lines, options) {
     reportLines.push(errorMsg);
     return reportLines.join('\n');
 }
-function applySort(results) {
+function applySort(results, options) {
     results.sort((a, b) => a.path.localeCompare(b.path, node_utils_1.DEFAULT_LOCALE));
     for (const res of results) {
-        res.suites.sort((a, b) => a.name.localeCompare(b.name, node_utils_1.DEFAULT_LOCALE));
+        if (options.sortSuites === 'time-desc') {
+            res.suites.sort((a, b) => b.time - a.time);
+        }
+        else {
+            res.suites.sort((a, b) => a.name.localeCompare(b.name, node_utils_1.DEFAULT_LOCALE));
+        }
     }
 }
 function getByteLength(text) {
diff --git a/package-lock.json b/package-lock.json
index ad74b6f..79f1120 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "test-reporter",
-  "version": "2.5.0",
+  "version": "2.6.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "test-reporter",
-      "version": "2.5.0",
+      "version": "2.6.0",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.11.1",
diff --git a/package.json b/package.json
index 8c390b0..ac751c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "test-reporter",
-  "version": "2.5.0",
+  "version": "2.6.0",
   "private": true,
   "description": "Presents test results from popular testing frameworks as Github check run",
   "main": "lib/main.js",
diff --git a/src/main.ts b/src/main.ts
index 9b24d38..9c15e9b 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -42,6 +42,7 @@ class TestReporter {
   readonly pathReplaceBackslashes = core.getInput('path-replace-backslashes', {required: false}) === 'true'
   readonly reporter = core.getInput('reporter', {required: true})
   readonly listSuites = core.getInput('list-suites', {required: true}) as 'all' | 'failed' | 'none'
+  readonly sortSuites = core.getInput('sort-suites', {required: false}) as 'name' | 'time-desc'
   readonly listTests = core.getInput('list-tests', {required: true}) as 'all' | 'failed' | 'none'
   readonly maxAnnotations = parseInt(core.getInput('max-annotations', {required: true}))
   readonly failOnError = core.getInput('fail-on-error', {required: true}) === 'true'
@@ -64,6 +65,11 @@ class TestReporter {
       return
     }
 
+    if (this.sortSuites !== 'name' && this.sortSuites !== 'time-desc') {
+      core.setFailed(`Input parameter 'sort-suites' has invalid value`)
+      return
+    }
+
     if (this.listTests !== 'all' && this.listTests !== 'failed' && this.listTests !== 'none') {
       core.setFailed(`Input parameter 'list-tests' has invalid value`)
       return
@@ -174,7 +180,7 @@ class TestReporter {
       }
     }
 
-    const {listSuites, listTests, onlySummary, useActionsSummary, badgeTitle, reportTitle, collapsed} = this
+    const {listSuites, sortSuites, listTests, onlySummary, useActionsSummary, badgeTitle, reportTitle, collapsed} = this
 
     const passed = results.reduce((sum, tr) => sum + tr.passed, 0)
     const failed = results.reduce((sum, tr) => sum + tr.failed, 0)
@@ -187,6 +193,7 @@ class TestReporter {
         results,
         {
           listSuites,
+          sortSuites,
           listTests,
           baseUrl,
           onlySummary,
@@ -218,6 +225,7 @@ class TestReporter {
       baseUrl = createResp.data.html_url as string
       const summary = getReport(results, {
         listSuites,
+        sortSuites,
         listTests,
         baseUrl,
         onlySummary,
diff --git a/src/report/get-report.ts b/src/report/get-report.ts
index 02b9d49..015589c 100644
--- a/src/report/get-report.ts
+++ b/src/report/get-report.ts
@@ -11,6 +11,7 @@ const MAX_ACTIONS_SUMMARY_LENGTH = 1048576
 export interface ReportOptions {
   listSuites: 'all' | 'failed' | 'none'
   listTests: 'all' | 'failed' | 'none'
+  sortSuites: 'name' | 'time-desc'
   baseUrl: string
   onlySummary: boolean
   useActionsSummary: boolean
@@ -22,6 +23,7 @@ export interface ReportOptions {
 export const DEFAULT_OPTIONS: ReportOptions = {
   listSuites: 'all',
   listTests: 'all',
+  sortSuites: 'name',
   baseUrl: '',
   onlySummary: false,
   useActionsSummary: true,
@@ -35,7 +37,7 @@ export function getReport(
   options: ReportOptions = DEFAULT_OPTIONS,
   shortSummary = ''
 ): string {
-  applySort(results)
+  applySort(results, options)
 
   const opts = {...options}
   let lines = renderReport(results, opts, shortSummary)
@@ -94,10 +96,14 @@ function trimReport(lines: string[], options: ReportOptions): string {
   return reportLines.join('\n')
 }
 
-function applySort(results: TestRunResult[]): void {
+function applySort(results: TestRunResult[], options: ReportOptions): void {
   results.sort((a, b) => a.path.localeCompare(b.path, DEFAULT_LOCALE))
   for (const res of results) {
-    res.suites.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE))
+    if (options.sortSuites === 'time-desc') {
+      res.suites.sort((a, b) => b.time - a.time)
+    } else {
+      res.suites.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE))
+    }
   }
 }