Performance Development in Adolescent Track and Field Athletes According to Age, Sex and Sport Discipline

• Espen Tønnessen ,

  * E-mail: espen.tonnessen@olympiatoppen.no

  Affiliation Norwegian Olympic Federation, Oslo, Norway

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• Ida Siobhan Svendsen,

  Affiliation School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, United Kingdom

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• Inge Christoffer Olsen,

  Affiliation Diakonhjemmet, Oslo, Norway

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• Atle Guttormsen,

  Affiliation University of Life Sciences, Ås, Norway

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• Thomas Haugen

  Affiliation Norwegian Olympic Federation, Oslo, Norway

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