Unlimited number of times. Keep, a sports technology company, launched the online running challenge of Kuromi Heartbeat, and at the same time, it joined forces with Liu, a table tennis player known as Kuromi on the earth, to promote the online challenge. As long as users search for Liu's name on KeepAPP, they can participate in activities and have the opportunity to get the same medal as Liu. As soon as this news came out, it attracted the attention of a large number of netizens and ignited the sports enthusiasm of many fans. It is reported that more than 200,000 people have signed up for the event three days after its launch.

Keep's diversified online games have attracted much attention, and innovation and creativity make sports an interesting thing. In fact, Keep has been insisting on launching various online challenges to stimulate the sports enthusiasm of netizens. During the Spring Festival last year, Keep held an online New Year Marathon and an online Spring Festival Run, and according to the traditional festivals in China, it launched seasonal online running activities such as Jade Rabbit running to the moon and cicada singing. More than 50 Keep running activities attracted 2.5 million people to sign up, and the enthusiasm of national fitness was further ignited. Keep's online challenge has also successfully made sports challenge events break through the limitations of time and space.