As the Milano-Cortina 2026 Winter Olympics approach, a consolidated understanding of performance determinants across the diverse spectrum of ice sports is crucial, yet the scientific literature remains unevenly distributed. This structured narrative review synthesizes available evidence on key performance-determining factors and contemporary training characteristics for Olympic ice sports, based on topic-driven literature searches and qualitative synthesis. Disciplines are grouped according to their primary performance demands. (1) High-volume gliding sports (long- and short-track speed skating): Performance balances biomechanical efficiency (e.g., aerodynamic posture) against physiological constraints. This necessitates high annual training volumes (900-1100 h·year-1), polarized, mixed-modal training, with short-track adding critical tactical and pack-dynamic elements. (2) Exposure-driven gravity sports (bobsleigh, skeleton, luge): Performance is overwhelmingly determined by start velocity, with the initial 15-65 m contributing disproportionately to overall race outcome. Bobsleigh and skeleton training mirrors sprint athletes, prioritizing lower-body power, while luge demands explosive upper-body strength. (3) Arena-based sports (ice hockey, figure skating, curling): These sports show varied demands. Ice hockey requires managing high-intensity intermittent efforts, with 40%-50% of on-ice distance performed at high skating speeds; figure skating hinges on the power and precision of high-value jumps (e.g., triple and quadruple rotations); and curling relies on delivery accuracy and sweeping strength-endurance. Sex-specific differences, often related to absolute power output (skating, sliding) and biomechanics, are evident, although evidence remains limited or uneven across several disciplines. Rather than providing prescriptive training models, this review identifies discipline-specific training priorities and key gaps in the current evidence base relevant to athlete preparation for Milano-Cortina 2026.
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