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. 2026 Apr 27;8:1799878. doi: 10.3389/fspor.2026.1799878

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© 2026 Hanstad, Skille, Johansen and Strittmatter.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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3D pie chart illustrating the distribution of football-related activities, with percentages and hours as follows: team training 27 percent or 196 hours, private football academy 15 percent or 110 hours, other activity 13 percent or 99 hours, physical education 8 percent or 59 hours, football joy in schoolyard 4 percent or 28 hours, matches 11 percent or 84 hours, unorganized football with friends 11 percent or 78 hours, and unorganized football alone 11 percent or 79 hours. — The different activities over one year (2016) for a 13-year-old football player who later became a professional at the highest level in Norway. Total: 733 h of activity.