Methods, systems, and media for pairing devices for completing tasks are provided. In some embodiments, the method comprises: identifying, at a first user device, an indication of a task to be completed; transmitting, by the first user device to a server, information indicating the task to be completed and identifying information corresponding to the first user device; determining whether a predetermined duration of time has elapsed; in response to determining that the predetermined duration of time has elapsed, transmitting, from the first user device to the server, a request to determine whether the task has been completed by a second user device; and in response to receiving, from the server, an indication that the task has been completed by the second user device, retrieving data corresponding to the task from the server.