This article supports recent research that suggests that "modern training studies do not support the use of resistance training programs for improving the performances of highly-trained athletes".
Bentley, D., Deakin, G., & McNaughton, L. R. (2015). Resistance Training and Endurance Performance. In Routledge Handbook of Ergonomics in Sport and Exercise. Routledge. https://doi.org/10.4324/9780203123355.ch1