Cologne Marathon App
For the 2018 and 2019 edition of the Cologne Marathon 🏃♀️🏃 a custom app was developed. It includes all functionalities for runners and bystanders alike 📱. Features reach from tracking of runners and there current leaderboard position, challenges with others as well as personalized results, badges and more. On the day of the run, it successfully scaled to tens of thousands of runners and fans.