🏛️Official — FIS
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Winter Sports
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outdoor
ski, boot, binding
10 essential rules
Freestyle skiing encompasses multiple acrobatic ski disciplines governed by FIS (International Ski and Snowboard Federation) under ICR Book V — Freestyle Skiing. The sport originated in the 1960s as "hotdogging" — exhibition skiing combining mogul runs, ballet, and aerials. It gained Olympic reco...
Key Fact: Freestyle Skiing equipment minimums are set by Section 2.1 of the FIS rulebook.
All skis must have functioning release bindings certified to DIN/ISO standards. Bindings must be set according to the athlete's weight, ability level, and discipline.
Helmet: FIS-approved helmet mandatory in all five disciplines. Must conform to EN 1077 (Class A for race events, Class B minimum for park events) or equivalent ASTM standard.; Back protector: Mandatory for Aerials, Ski Cross, and Halfpipe at World Cup level. Strongly recommended for all disciplin...
Poles: Mandatory for Moguls (used for balance and rhythm). Optional for other disciplines. Exposed sharp points are prohibited.; Speed suit: Permitted in Moguls for aerodynamic advantage. Must not incorporate rigid fairings or non-textile panels.
Length: 220–270 m (722–886 ft).; Width: Minimum 18 m (59 ft). The course is carved into natural or machine-built mogul bumps approximately 1.2 m (4 ft) apart trough-to-trough.; Gradient: 26–32 degrees. A consistent pitch ensures uniform bump formation.
Each discipline uses specifically designed competition venues.
Kickers: Three snow-built jump ramps with table heights of 2.0 m (6.6 ft), 3.2 m (10.5 ft), and 3.8 m (12.5 ft). The 3.8 m kicker is used for triple somersault dives.; In-run: A steep, groomed in-run track approximately 60–70 m (197–230 ft) long, allowing athletes to reach takeoff speeds of 55–65...
Length: Minimum 150 m (492 ft).; Width: 19–22 m (62–72 ft) from lip to lip.; Wall height: 6.0–7.0 m (19.7–23.0 ft), commonly referred to as a "22-foot superpipe" (measured as the vertical height of the transition wall).
Length: Minimum 400 m (1,312 ft).; Width: Minimum 30 m (98 ft).; Features: 6–9 features arranged in sections — typically a jib section (rails, boxes, wall rides) followed by a jump section (2–3 progressively larger jumps with gap distances of 10–25 m / 33–82 ft).
Length: 800–1,200 m (2,625–3,937 ft).; Vertical drop: 130–250 m (427–820 ft).; Features: Banked turns (berms), rollers, step-ups, step-downs, and tabletop jumps. Course design must allow 4 athletes to race side-by-side at all points.
Never snake a feature — wait your turn in the rotation
Cutting ahead of another skier who has already committed to hitting a jump, rail, or halfpipe is the cardinal sin of park and pipe culture. The person in the air or on the feature has absolute priority. Snaking is treated as both dangerous and deeply disrespectful across all freestyle disciplines.
Applies to training and casual sessions; competition heats have formal protocols, but the underlying norm originates here.
Stop and yield when a competitor crashes in a feature
If an athlete crashes in the pipe, on a jump, or in a slopestyle course, those behind them call off their runs immediately. Proceeding when someone is down — especially in a landing zone — is considered a serious breach of both safety and sportsmanship.
Cheer loudly for rivals' good runs in halfpipe and slopestyle
Freestyle skiing, particularly halfpipe, has a strong culture of athletes celebrating competitors' standout runs regardless of nationality or rivalry. Remaining silent or stone-faced when a rival throws down an exceptional run is seen as poor form. This tradition was highly visible at Olympic competitions from the 1990s onward.
Most prominent in halfpipe, where athletes watch from the deck. Less culturally enforced in moguls or aerials.
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Don't stand in the landing zone of a jump
Stopping or congregating at the base of a kicker or any jump landing is an unwritten rule violation with both safety and cultural weight. Beyond physical danger, lingering there signals obliviousness to the flow of the session and disrespect for the athletes using the feature.
Respect and thank the park and pipe crew
Freestyle skiers are expected to show gratitude to the crews who shape halfpipes and build terrain park features. Riding carelessly through a freshly shaped pipe or destroying a feature setup is viewed as deeply disrespectful. Acknowledging the crew's work is a cultural norm among professional and amateur athletes alike.