A method of tracking attendance of an event includes detecting a presence of at least one mobile attendee device. The mobile attendee device includes personal identification information stored therein for an attendee associated therewith who is registered for the event. An ad hoc wireless data connection is established with the mobile attendee device responsive to detection thereof. An identification request is transmitted to the mobile attendee device via the ad hoc wireless data connection, and the personal identification information for the attendee is received from the mobile attendee device via the ad hoc wireless data connection. The received identification information is displayed on an administrator device. Related systems, devices, and computer program products are also discussed.