diff --git a/env.sample.js b/env.sample.js
index 56fde078..58b49e96 100644
--- a/env.sample.js
+++ b/env.sample.js
@@ -1,5 +1,6 @@
 const config = {
 	baseurl: 'https://dev.lauf-fuer-kaya.de',
+	documentserver_key: 'NqZSYTy5AFQ7MppbLW5moqpTk7u7YrNUHKYhKYuThnnya2WpCOIU694hIZT1FzYe',
 	fallback_username: 'admin',
 	fallback_password: '72fpTzsev4xUu78QPs2FCbwZ3',
 	prefersHashRouting: true
diff --git a/public/env.sample.js b/public/env.sample.js
index 24c54fef..7e223d49 100644
--- a/public/env.sample.js
+++ b/public/env.sample.js
@@ -1,5 +1,6 @@
 const config = {
 	baseurl: 'http://localhost:4010',
+	documentserver_key: 'NqZSYTy5AFQ7MppbLW5moqpTk7u7YrNUHKYhKYuThnnya2WpCOIU694hIZT1FzYe'
 	// optional
 	prefersHashRouting: true
 };
diff --git a/src/components/runners/RunnersOverview.svelte b/src/components/runners/RunnersOverview.svelte
index 3a5d88bf..3e383992 100644
--- a/src/components/runners/RunnersOverview.svelte
+++ b/src/components/runners/RunnersOverview.svelte
@@ -1,5 +1,5 @@
 <script>
-  import { _ } from "svelte-i18n";
+  import { getLocaleFromNavigator, _ } from "svelte-i18n";
   import {
     RunnerService,
     RunnerTeamService,
@@ -79,7 +79,32 @@
         {#if current_runners.some((r) => r.is_selected === true)}
           <button
             on:click={() => {
-              //
+              const locale = getLocaleFromNavigator();
+              fetch(
+                `https://dev.lauf-fuer-kaya.de/documents/contracts?locale=${locale}&download=true&key=${config.documentserver_key}`,
+                {
+                  method: 'POST',
+                  headers: {
+                    'Content-Type': 'application/json',
+                  },
+                  body: JSON.stringify(
+                    current_runners.filter((r) => r.is_selected === true)
+                  ),
+                }
+              )
+                .then((response) => response.blob())
+                .then((blob) => {
+                  const url = window.URL.createObjectURL(blob);
+                  let a = document.createElement('a');
+                  a.href = url;
+                  a.download = 'Sponsoring.pdf';
+                  document.body.appendChild(a);
+                  a.click();
+                  a.remove();
+                })
+                .catch((err) => {
+                  console.error(err);
+                });
             }}
             type="button"
             class="w-full inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-gray-600 text-base font-medium text-white hover:bg-gray-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-gray-500 sm:w-auto sm:text-sm">