The TCS Lidingöloppet is back - with a brand-new app! Whether you’re running or supporting, the app has all the information you need to help you get the most out of race day. If you're running, use the app to generate a quick QR code, to collect your bib. If you're supporting follow your runners’ progress around the course, using the interactive tracking map, and head to the spectator spots to cheer them on as they pass by. And Get social! Use the app to take a selfie to show your support. Download the Official TCS Lidingöloppet App.