This study aimed to assess the iron functional state in a population of 43 high performance Colombian athletes belonging to Cali skating League (41.9%) and water polo (58.1%, aged 17 - 43, determining serum ferritin, soluble transferrin receptor and soluble transferrin receptor index, demonstrating the presence of subclinical iron deficiencies that lead to risks in the performance of the athlete. 55.8% of the athletes showed normal results, 41.9% had serum ferritin values below the biological reference interval and 2.3% subclinical iron deficiency grade II. The results does not show significant difference between these disciplines.