This paper presents the effectiveness of applying the model of 16-18 years old junior rowers’ preparation on the ergometer of the effort obtained in the training process and competitions. It was considered that by analyzing the content and structure of the preparation plan proposed by the Romanian Federation of Rowing for 16-18 years old junior rowers, it will be elaborated the certain model of preparation according to the periods and stages of preparation and the implementation of this model in the preparedness of junior rowers under the investigation. This scientific result has led to organizing a pedagogical experiment in the group of 12 athletes of the junior Olympic Center from Snagov, Romania by including the preparation programs in various stages of junior rower’s preparedness.