diff --git a/src/controllers/PdfController.ts b/src/controllers/PdfController.ts
index 619dc81..0b33f07 100644
--- a/src/controllers/PdfController.ts
+++ b/src/controllers/PdfController.ts
@@ -1,5 +1,6 @@
 import { Authorized, Body, JsonController, Post, QueryParam, Res } from 'routing-controllers';
 import { OpenAPI } from 'routing-controllers-openapi';
+import { CertificateRunner } from '../models/CertificateRunner';
 import { Runner } from '../models/Runner';
 import { RunnerCard } from '../models/RunnerCard';
 import { PdfCreator } from '../PdfCreator';
@@ -54,6 +55,25 @@ export class PdfController {
         return contracts;
     }
 
+    @Post('/certificates')
+    @OpenAPI({ description: "Generate runner certificate pdfs from certificate runner objects.<br>You can choose your prefered locale by passing the 'locale' query-param.<br> If you provide more than 100 runenrs this could take a moment or two (we tested up to 1000 runners in about 70sec so far)." })
+    async generateCertificates(@Body({ validate: true, options: { limit: "500mb" } }) runners: CertificateRunner[], @Res() res: any, @QueryParam("locale") locale: string, @QueryParam("download") download: boolean) {
+        if (!this.initialized) {
+            await this.pdf.init();
+            this.initialized = true;
+        }
+        if (!Array.isArray(runners)) {
+            runners = [runners];
+        }
+        runners = this.mapCertificatRunnersGroupNames(runners)
+        const certificates = await this.pdf.generateRunnerCertficates(runners, locale);
+        res.setHeader('content-type', 'application/pdf');
+        if (download) {
+            res.setHeader('Content-Disposition', 'attachment; filename="certificates.pdf"')
+        }
+        return certificates;
+    }
+
     private mapRunnerGroupNames(runners: Runner[]): Runner[] {
         let response = new Array<Runner>();
         for (let runner of runners) {
@@ -68,6 +88,20 @@ export class PdfController {
         return response;
     }
 
+    private mapCertificatRunnersGroupNames(runners: CertificateRunner[]): CertificateRunner[] {
+        let response = new Array<CertificateRunner>();
+        for (let runner of runners) {
+            if (!runner.group.parentGroup) {
+                runner.group.fullName = runner.group.name;
+            }
+            else {
+                runner.group.fullName = `${runner.group.parentGroup.name}/${runner.group.name}`;
+            }
+            response.push(runner)
+        }
+        return response;
+    }
+
     private mapCardGroupNames(cards: RunnerCard[]): RunnerCard[] {
         let response = new Array<RunnerCard>();
         for (let card of cards) {