Objective of the study was to theoretically substantiate and test benefits of a new preparatory-period speed training model for the 15-17 year-old cross-country skiers. Methods and structure of the study. Based on analysis of the reference theoretical and practical study reports, physical fitness systems and practical training experiences, the new speed training model was developed. The new training model testing experiment included two stages. The first stage was designed to train the sample as required by the traditional training system. We sampled for the experiment the 15-17 year-old male cross-country skiers (n=24) who were split at the second stage into Experimental and Reference Groups of 12 people each. The Reference Group was trained by the traditional training method, and in the Experimental Group training was dominated by the new speed training model, with the theoretical and practical training including 5 speed training sessions. Every of the five sessions included the following seven groups of exercises. Results and conclusion. Comparative analysis of the post- versus pre-experimental test data showed a meaningful progress of the Experimental Group in every test (p=0.05) - versus insignificant progress in the Reference Group (p> 0.05). The new speed training model testing experiment showed benefits of the model for progress in every speed quality. This finding gives us the grounds to recommend the new speed training model for application in trainings of the 15-17 year-old cross-country skier.
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