Hybrid fitness competitions such as HYROX have rapidly gained popularity, blending aerobic endurance running with a variety of high-intensity resistance and ergometer-based stations in a globally standardized format. The sport’s unique structure, comprising eight 1-kilometer runs interspersed with diverse workload stations, presents distinct physiologic, biomechanical, and technical demands. This review synthesizes existing research on hybrid fitness events to identify the key determinants of HYROX performance, emphasizing aerobic capacity, anaerobic power, local muscular endurance, and maximal strength. The aerobic system is foundational, enabling recovery between high-intensity efforts and sustaining performance during the event’s prolonged duration. Conversely, anaerobic capacity is critical for executing the high-intensity efforts demanded by each fitness station. Local muscular endurance supports repeated submaximal contractions, while strength and power underpin performance in movements such as sled pushes and running economy. Technical proficiency and injury prevention strategies are also discussed, alongside targeted programming recommendations, including high-intensity interval training, circuit training, and blood flow restriction methods. Despite its growing popularity, limited sport-specific research exists, necessitating further investigation to refine training and performance strategies. This review provides a comprehensive framework for athletes and coaches to optimize preparation and performance in HYROX, contributing to the broader understanding of hybrid fitness competitions.

Recent research has developed new ways of approaching macronutrient ratios that challenge the conventional way of thinking. This article takes a look at what is usually recommended for athletes, as well as different lower carbohydrate variations.

All fitness components depend on body composition to some extent, and the demands of many sports require that athletes maintain standard levels of body composition.

This excerpt from Developing Agility and Quickness highlights the high-intensity, reactive agility hockey players require, and provides two agility drills that challenge that skill.

Diets moderately higher in protein and slightly lower in carbohydrate may be beneficial when it comes to weight loss and improving body composition, as well as for sport performance.

Field tests have become popular in applied exercise science and sport performance enhancement programs because of their simplicity and ability to generalize results. However, numerous confounding factors may influence the validity of test data from such evaluations.

Stephanie Mock, Assistant Athletic Director for Sports Performance at the University of Pittsburgh, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about growing a comprehensive sports performance program. Topics under discussion include tips for interviews, graduate assistantships, staff development, and the ongoing collaboration with academics to advance sport science initiatives at University of Pittsburgh. Find Stephanie on Instagram: @_mockstephanie_ or @pitt_sportsperformance | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Acclaimed Wisconsin-area high school strength and conditioning coach advises parents to ask these 10 important questions.

The ability to manage the adaptive response, handle accumulated fatigue, and capitalize on the aftereffects established from training is central to the training process.