diff --git a/src/widgets/EventPage.ts b/src/widgets/EventPage.ts
index 77f6edd..2efd530 100644
--- a/src/widgets/EventPage.ts
+++ b/src/widgets/EventPage.ts
@@ -109,6 +109,12 @@ export default class EventPage extends Widget<EventPageConfig> {
     $('head').append(`<script type="application/ld+json">${JSON.stringify(jsonLd)}</script>`);
   }
 
+  private preRender() {
+    if (this.config.preRenderCallback && typeof(this.config.preRenderCallback) === 'function') {
+      this.config.preRenderCallback(this.event);
+    }
+  }
+
   private init() {
     if (this.config.theme) {
       this.$root.addClass(this.config.theme);
@@ -128,6 +134,7 @@ export default class EventPage extends Widget<EventPageConfig> {
         self.event = new Event(data, self.config);
         self.updateHTML();
         self.addJsonLD();
+        self.preRender();
         self.renderWidget();
       });
   }
diff --git a/src/widgets/config/EventPageConfig.ts b/src/widgets/config/EventPageConfig.ts
index e726170..e622556 100644
--- a/src/widgets/config/EventPageConfig.ts
+++ b/src/widgets/config/EventPageConfig.ts
@@ -1,6 +1,7 @@
 import {logError} from '../../common/Error';
 import {absoluteURL, safeHref} from '../../common/helpers/UrlParser';
 import IPlainObject from '../../interfaces/IPlainObject';
+import Event from '../../models/Event';
 import WidgetConfig from './WidgetConfig';
 
 /**
@@ -74,6 +75,11 @@ export default class EventPageConfig extends WidgetConfig {
    */
   readonly numberOfTickets: boolean;
 
+  /**
+   * Callback function to parse event data into markup
+   */
+  readonly preRenderCallback: (event: Event) => void;
+
   protected constructor(options: IPlainObject) {
     super(options);
     this.trainers = options.trainers !== undefined ? options.trainers : false;
@@ -83,6 +89,7 @@ export default class EventPageConfig extends WidgetConfig {
     this.expiredTickets = options.expiredTickets !== undefined ? options.expiredTickets : true;
     this.numberOfTickets = options.numberOfTickets !== undefined ? options.numberOfTickets : true;
     this.showFutureEvents = options.futureEvents !== undefined ? options.futureEvents : true;
+    this.preRenderCallback = typeof(options.preRenderCallback) === 'function' ? options.preRenderCallback : undefined;
     this.eventPageUrl = safeHref();
   }