A method for remotely directing a fishing tournament makes use of a data network over which participants transmit submissions indicating sizes of fish caught. The submissions may include digital images of fish, and size may be determined from a scale established using a reference object depicted in the image. The data network may also be used to register participants and provide them with tournament results. Participants may register for a fishing period, or multiple fishing periods of the tournament, and may be issued a code to be displayed in images of fish. Validation of entries may include an examination of metadata in submitted digital images.