The mobile application TreninGO aims to motivate users to be active, to exercise regularly and live a healthy lifestyle. To find the best exercise location, users can search more than 120 running tracks and outdoor gyms throughout Serbia. According to the personal fitness level, they can choose several months of training and exercises suitable for indoor and outdoor space. Training with Olympians and sports challenges enable users to learn from champions, but also to compete in running and contribute to socially useful actions through their participation. The app helps users improve their daily habits, plan workouts and achieve personal fitness goals.