Personal data is routinely processed in connection with amateur sports. Processing often continues after the event has been held. For example, text message (SMS) services may be offered giving competitors' latest and final placings, results may be published on the Internet, or lists of competitors may even be passed on to sponsors to allow them to distribute advertising material. From a data protection standpoint, however, some of these processing activities may be problematic. The following explanations are intended to show where problems can arise and how to handle competitors' data correctly.