数字心动 is an all-in-one sports ecosystem platform that combines features such as marathon event registration, aggregation of completion results, services for running groups and clubs, and professional running training. With 数字心动, users can easily check historical results of all races organized by the Chinese Athletics Association, view daily training tips shared by national professional athletes, customize their own training plans, join running groups and clubs to meet more running friends, and participate in group activities. Additionally, there are numerous online and offline marathon events for users to join, aiming to "run across China and light up life."

The app offers a variety of features including aggregation of "Run Across China" series event registrations, integration of historical results from races organized by the Chinese Athletics Association, professional training plans, running groups and clubs membership, and accurate timing for running, cycling, and walking activities.