The Running Performance of Elite Youth Football Players in Matches with a 1-4-3-3 Formation in Relation to Their Playing Position. - Michailidis, Yiannis; Stafylidis, Andreas; Vardakis, Lazaros; Kyranoudis, Angelos E.; Mittas, Vasilios; Leftheroudis, Vasileios; Plakias, Spyridon; Mandroukas, Athanasios; Metaxas, Thomas I. (Applied Sciences (2076-3417), 2025)