<![CDATA[The purpose of the study. This study aimed to critically evaluate the cardiorespiratory fitness (CRF) profile of multi-discipline martial arts athletes during a pre-PON XXI centralized training camp and to establish an evidence-based foundation for optimizing aerobic conditioning strategies. Materials and methods. A cross-sectional descriptive design was employed involving competitive martial arts athletes enrolled in a provincial training camp (PELATDA). Cardiorespiratory fitness was assessed using the multistage fitness test to estimate maximal oxygen uptake (VO₂max). Descriptive and comparative analyses were conducted to examine fitness distribution and inter-discipline variability. Results. The results revealed that, while most athletes exhibited moderate-to-good CRF levels, a substantial proportion failed to meet elite-performance VO₂max benchmarks. Notable variability was observed across martial arts disciplines, reflecting differences in physiological demands and training adaptations. These findings indicate suboptimal aerobic preparedness in a segment of athletes and underscore the limited integration of structured endurance-based conditioning within current training regimes. Conclusions. The CRF status of multi-discipline martial arts athletes in the pre-PON XXI training camp remains insufficiently optimized for high-performance competition. Targeted, periodized aerobic training—particularly high-intensity interval training (HIIT)—is strongly recommended to enhance VO₂max and support repeated high-intensity efforts. Continuous physiological monitoring should be integrated into training systems to ensure evidence-driven performance enhancement.]]>
