🏛️Official — FIS
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Key Fact: Ski length for athletes with BMI below 21.0 is reduced by 0.125 m per 0.5 unit below threshold.
— Article 426
Why people argue about this
People often assume that the BMI-based reduction in ski length is a direct health concern for athletes with BMIs below 21.0, but actually, it's designed to ensure fair competition by adjusting equipment based on body size rather than health risks. The rule aims to maintain an equal playing field despite varying physical conditions among competitors.
Maximum length: 146% of the athlete's body height (Article 222.1, ICR). Athletes with a Body Mass Index (BMI) below 21.0 receive a ski length reduction of 0.125 m for each 0.5 BMI unit below the threshold.; Width: 105–118 mm (4.1–4.6 in) at the binding area. Tip width may differ but must follow t...
— Article 222.1
Why people argue about this
People often assume that the BMI rule in ski jumping is solely about weight management, thinking it's a direct health regulation. However, the true intention behind this rule is to ensure athletes have sufficient strength and stability for high-speed jumps by maintaining an appropriate body mass ratio with their skis, not as a general fitness or dietary guideline.
Material thickness: Maximum 6 mm (0.24 in) at any measured point.; Air permeability: Minimum 40 l/m²/s (±5 l/m²/s tolerance). Measured at multiple points during random equipment checks.; Fit tolerance: Maximum 2 cm (0.79 in) from body contour at any measured point when standing u...
— Article 426
Why people argue about this
People often assume that the BMI rule in ski jumping is solely about weight control, thinking it's a direct health measure. However, the primary intention of this rule is to ensure athletes have sufficient strength and mobility for their jumps, not as a strict health guideline. The confusion arises because the rule indirectly affects body mass but isn't meant to be an obesity or fitness standard.
Helmet: FIS-approved helmet mandatory. Smooth surface with no aerodynamic modifications, wings, or extensions. Visor or goggles permitted but must not extend beyond helmet profile.; Boots: Maximum boot height 30 cm (11.8 in) from sole. Must support the forward lean angle required by the binding s...
Why people argue about this
People often assume that the BMI rule in ski jumping is solely about weight management for health reasons, forgetting that its primary purpose is actually to ensure fair competition by controlling the length of skis based on an athlete's body mass index, thus preventing athletes from having an unfair advantage through excessive equipment use.
Introduced to combat dangerous weight loss practices, the BMI rule links maximum ski length to body mass. Athletes must weigh in before competition.
Why people argue about this
People often assume that the BMI rule is solely about punishing athletes for losing weight too quickly before a competition, when in reality it's designed to ensure safety by correlating ski length with body mass, preventing overly long skis from being used by heavier athletes who could lose control.
All competition hills must be homologated (certified) by FIS and are classified by their Hill Size (HS), the maximum safe landing distance: Small Hill: HS 20–49 m (training and youth competitions); Medium Hill: HS 50–84 m (national-level events); Normal Hill: HS 85–109 m (Olympic Normal Hill typi...
Why people argue about this
People often assume that only the maximum safe landing distance determines a hill's classification in Ski Jumping, forgetting about other factors like takeoff angle and overall design which also play crucial roles in determining HS. The confusion arises because they focus solely on the distance aspect without considering the full scope of what defines these competition hills.
Competition takes place on homologated FIS hills classified by Hill Size (HS).
Why people argue about this
People often assume that all ski jump hills are created equal, forgetting that different sizes of hills (HS) have varying rules for how far skiers can jump. They overlook the fact that FIS homologates only specific HS classifications as valid venues for competitions, which is why some argue about what qualifies as a 'homologated' hill and who gets to decide these classifications.
In-run (approach): Straight track of 80–120 m (262–394 ft) with a gradient of 33–38 degrees. Surface is prepared ice track in a profile-milled groove.; Takeoff table: Curved transition from in-run slope to the lip. Table angle typically 10–11 degrees on Normal Hill, 10–11.5 degrees on Large Hill....
Why people argue about this
People often assume that these wind sensors are only used for safety purposes, ensuring optimal landing zones by measuring gusts mid-flight. However, the actual misunderstanding lies in thinking they're solely for adjusting ski angles to maximize distance and height - in reality, they help judges determine the exact conditions of each jump, which can significantly impact scoring.
Competition hills are equipped with multiple wind sensors at standardised positions along the flight path. Sensors measure wind speed and direction at the takeoff, mid-flight, and landing zones.
Why people argue about this
People often assume that all wind sensors are placed at the takeoff zone only, missing the fact that they're strategically positioned throughout the entire flight path for a more comprehensive measurement of conditions affecting jumpers' trajectories and distances.
Individual events: Each nation may enter up to 4 athletes per event at the Olympics. World Cup allows broader entry based on national ranking quotas.; Team events: Teams of 4 jumpers. Each member jumps twice (two rounds). The Mixed Team event uses 2 men and 2 women.; Starting order: Determined by...
Why people argue about this
People often assume that jump distance is measured in whole meters rather than half-meters as stated by the FIS rule. They might think it's rounded up or down based on their initial impression of what "nearest" means, not realizing it’s cut to the nearest 0.5 meter for precision and accuracy.
Individual competitors or teams of 4. Judges panel: 5 style judges (highest and lowest marks discarded, 3 counting).
Why people argue about this
People often assume that only one competitor at a time is judged in ski jumping, which leads them to misunderstand how the scores are calculated by judges. However, the actual system involves 5 style judges scoring each of the competitors' runs simultaneously, discarding the highest and lowest marks to ensure fairness, leaving just three scores for each athlete to determine their final ranking.
Technical Delegate (TD): Appointed by FIS. Oversees hill homologation, equipment controls, and overall competition integrity.; Chief of Competition: Responsible for organising and executing the event, course preparation, and volunteer management.; 5 Style Judges: Positioned at the K-point area. E...
Why people argue about this
People often assume that the VDMS measurement is a precise laser scan of the landing area, leading them to think it's spot-on accurate. However, the official explanation clarifies that it’s measured to the nearest 0.5 meters based on video footage, which inherently introduces some margin of error and can lead to slight discrepancies in distance calculations.
Jump distance is measured by a video distance measurement system (VDMS) to the nearest 0.5 m (1.6 ft). The system uses cameras mounted along the landing slope with calibrated reference lines.
Why people argue about this
People often assume that the VDMS system measures jump distances with a higher precision than 0.5 meters just because it rounds up to the nearest 0.5 meter. Actually, they misunderstand how rounding works in measurements; the system is precise enough for its intended use and doesn't incorporate more decimal places beyond what's stated.
Competitors take off from the in-run, maintaining aerodynamic position. The gate (starting position) is adjusted by the jury based on wind and weather conditions.
Why people argue about this
People often assume that competitors are solely responsible for their aerodynamic position during takeoff, forgetting that gate adjustments by the jury can significantly impact performance. The misunderstanding stems from believing the jury only makes these decisions based on safety concerns, not also to optimize wind conditions and thus affect the overall score.
The athlete starts from a designated gate (starting bar) on the in-run. The gate number determines the in-run length and thus the takeoff speed.
Why people argue about this
People often assume that the takeoff speed is solely determined by the athlete's strength and technique, rather than the gate number they start from. The confusion arises because in ski jumping, while starting from a designated gate does influence the initial run length, it’s not just about speed; it also affects the precise timing of the takeoff for optimal distance and style scores.
The V-style is the standard modern technique: ski tips are spread apart at 25–35 degrees while the athlete's body leans forward over the skis at an angle of approximately 40–45 degrees from horizontal. This position maximises aerodynamic lift by using the body and skis as an airfoil.
Why people argue about this
People often assume that the exact angles mentioned in the FIS rule are rigidly fixed for all jumpers, thinking it's a one-size-fits-all formula. In reality, while these guidelines suggest optimal positioning for aerodynamics, individual athletes can and do adjust their techniques slightly to suit personal style or performance needs within those parameters.
The telemark landing is the gold standard: one ski placed ahead of the other in a lunge position, with knees bent to absorb impact, arms extended to the sides for balance. A clean telemark landing with stable outrun earns maximum style points (up to 20).
Why people argue about this
People often assume that a telemark landing is merely about having one ski ahead of the other in a lunge position, but actually, it's about executing a smooth, stable outrun with arms extended for balance and both skis clearly visible to judges after impact - all while maintaining the telemark technique.
Introduced in the 2010–2011 season to ensure fairness when conditions change during a competition round: Gate compensation: If the Jury lowers the gate (shorter in-run, lower speed), the athlete receives additional points to compensate for the reduced takeoff velocity. Conversely, a higher gate r...
Why people argue about this
People often assume that the fixed order of four jumpers per team means they can choose their preferred jumps strategically, leading to arguments about which jumper should go first or second in each round. However, the actual rule is that each jumper completes one jump per round across two rounds (8 total jumps per team), so there's no room for strategic positioning within a team’s order.
Four jumpers per team, jumping in a fixed order. Each jumper completes one jump per round across two rounds (8 total jumps per team).
Why people argue about this
People often assume that the fixed order for each team's four jumpers means they can choose their own sequence, leading to arguments about who goes first or second. Actually, the FIS specifies a strict order based on individual qualification scores, which is why teams sometimes feel like their chosen order isn't optimal and causes contention.
A qualification round may be held the day before competition to determine starting order or to reduce the field. In World Cup events, the top 50 qualifiers advance to the competition.
Why people argue about this
People often assume that a qualification round is solely for determining starting order, forgetting that its primary purpose can also be to reduce the field of competitors before the main competition begins. The confusion arises because they overlook the FIS rule's flexibility in using these rounds for both purposes interchangeably.
Every jump starts with a base of 60.0 points at the K-point. Points are added or deducted for distance beyond or short of the K-point: Normal Hill (K-90): 2.0 points per metre beyond K-point; 2.0 points deducted per metre short.; Large Hill (K-120): 1.8 points per metre beyond K-point; 1.8 points...
Why people argue about this
People often assume that the 60. 0 points at the K-point are awarded for making it past a certain point in the jump course, but actually, they're just the starting base from which all other scores are calculated based on distance and style. The confusion arises because the K-point is simply where measurement begins, not necessarily where points are earned.
Total score = Distance Points + Style Points + Gate/Wind Compensation. Distance points: 60 points at K-point; 1.
Why people argue about this
People often assume that the 60 points at the K-point are awarded for reaching it first, which leads them to believe they should always aim for the earliest gate. However, the actual interpretation is that these points represent how well a skier executed their run up until the K-point marker, not necessarily who gets there first.
Five judges each award a score from 0.0 to 20.0 (in 0.5-point increments) based on: In-run position: Stability and aerodynamic form on approach.; Takeoff: Power, timing, and body position at the lip.; Flight: Ski symmetry, body angle, arm position, V-style consistency, and overall stability.
Why people argue about this
People often assume that dropping the highest and lowest scores means simply taking out the two worst scores from their five attempts, but they overlook the fact that these are then summed up for a maximum of 60 points, which can lead to confusion about how exactly those scores get calculated.
Gate compensation and wind compensation values are added to or subtracted from the raw score. The final jump score = Distance Points + Style Points + Gate Compensation + Wind Compensation.
Why people argue about this
People often assume that gate compensation and wind compensation are bonuses added to their final score, thinking they're extra points for good performance. However, the truth is that these values can either add to or subtract from their raw score, depending on whether they were positive or negative in reality, making them adjustments rather than additional rewards.
If two athletes have identical total scores, the athlete with the higher single-round score is ranked higher. If still tied, the athlete with the higher distance points total breaks the tie.
Why people argue about this
People commonly argue that they should be ranked higher just for their overall distance points total, even if their single round score is lower than another athlete's. They misunderstand that the tiebreaker rule only considers a higher single-round score as the deciding factor; distance points are used to break ties between athletes who already have identical scores from both rounds.
Suit non-compliance (thickness >6 mm, permeability <40 l/m²/s, fit tolerance >2 cm): Disqualification (DSQ) of the jump or entire competition.; Ski length exceeding BMI-adjusted maximum: DSQ.; Binding height or position violations: DSQ.
Why people argue about this
People often assume that if their equipment is found to be in violation after a competition, they can simply appeal it away like other disputes. However, the FIS's stance is clear: once post-competition checks reveal an issue, results are automatically voided and no appeals are accepted for retroactive changes, regardless of when or how the violation was discovered.
Key Fact: Equipment violations result in Disqualification (DSQ) of the jump or entire competition according to FIS.
Why people argue about this
People often assume that equipment violations only result in a DSQ for the jump where the infraction occurred, forgetting that if multiple infractions are found across different jumps or throughout the competition, they can all be punished by an overall DSQ, not just one per jump. This oversight leads to heated debates about whether penalties should accumulate or apply individually.
Touching snow with hands during landing: Style deduction (typically 2–4 points per judge).; Fall on landing: Severe style deductions (7–10 points per judge). Jump is still scored unless the athlete fails to cross the fall line.; Failure to cross the fall line: Jump is not measured and receives 0 ...
Why people argue about this
People often assume that if they find equipment issues after a competition is over, it only affects their current event results. They don't realize that such issues can invalidate all of their previous competitions as well, retroactively voiding points and potentially leading to severe penalties like suspensions and fines.
The FIS may impose additional sanctions beyond competition-day DSQ, including suspension from future events, fines, and loss of World Cup points. Equipment violations detected in post-competition checks retroactively void results.
Why people argue about this
People often assume that if an athlete's equipment is found to be in violation after a competition, it only means they get disqualified on the spot. They don't realize that post-competition checks can also invalidate their entire event results, leading to further sanctions like fines and losing points, even though they didn’t face immediate punishment during the actual contest.
Wind limits for competition: maximum 4 m/s (8. 9 mph) tailwind, wind direction changes require competition pause.
Why people argue about this
People often assume that tailwind speed limits are solely about safety, thinking it's just about preventing athletes from being blown off course. However, the real concern is actually about maintaining fair competition conditions, ensuring all jumpers have a level playing field regardless of wind direction changes, which can significantly alter their trajectories and scores.
Maximum tailwind: Competition should be paused when sustained tailwind exceeds 4 m/s (8.9 mph), as tailwinds reduce aerodynamic lift and can cause dangerously short landings on the steep slope.; Crosswind limits: Strong or gusty crosswinds that risk destabilising athletes in flight warrant compet...
Why people argue about this
People often argue that this BMI minimum rule is overly restrictive and unfairly targets athletes who are naturally leaner for their sport. They misunderstand it as a blanket ban on weight loss practices, instead of recognizing it as a targeted measure to ensure safety by preventing extreme thinness from compromising an athlete's health during the high-stakes competition.
Landing slope preparation: Snow surface must be packed, profiled, and maintained to absorb landing impact evenly. Loose, icy, or uneven conditions require correction before competition resumes.; Safety zones: Fenced areas along the landing slope and outrun prevent spectator or personnel encroachm...
Why people argue about this
People often assume that the BMI minimum rule in ski jumping is solely about preventing eating disorders, which leads them to misunderstand its primary purpose. Actually, it's designed to ensure athletes have sufficient body mass for optimal control and safety on the steep hill, not just to address weight-cutting issues.
Fully staffed medical team with emergency physicians present at all FIS competitions.; Ambulance with stretcher access to the outrun area at all times during competition.; Helicopter medical evacuation available for World Cup and Olympic events at remote venues.
Why people argue about this
People often argue that this BMI minimum rule is too rigid and could unfairly penalize athletes who are naturally built differently, instead of focusing on the real intention: to prevent unhealthy weight loss practices among skiers competing at elite levels. The confusion arises because they see it as an arbitrary limit rather than a safeguard against dangerous dieting behaviors.
The BMI minimum rule (21.0 for full ski length) was introduced to combat eating disorders and dangerous weight-cutting practices that became prevalent when lighter athletes gained significant aerodynamic advantage. Medical screening for eating dis...
Why people argue about this
People often assume that the BMI health protections in ski jumping are solely about preventing eating disorders, when in reality, they're designed to ensure athletes have enough body mass to generate sufficient power for takeoff, which is crucial given the high speeds involved and the need to clear a 90-meter drop.
Introduced to combat dangerous weight loss practices, the BMI rule links maximum ski length to body mass. Athletes must weigh in before competition.
— Article 222.1, Article 426
Why people argue about this
People often assume that the BMI rule is solely about weight control, forgetting that its primary purpose is to ensure athletes have sufficient strength and stability for jumping, which can be compromised by excessive body mass. They overlook how maintaining a balanced body mass allows for better technique and performance on the snow.
All competition hills must be homologated (certified) by FIS and are classified by their Hill Size (HS), the maximum safe landing distance: Small Hill: HS 20–49 m (training and youth competitions); Medium Hill: HS 50–84 m (national-level events); Normal Hill: HS 85–109 m (Olympic Normal Hill typi...
Why people argue about this
People often assume that all ski jump hills are automatically certified by FIS just because they exist, forgetting that certification is a separate process requiring homologation. The confusion arises because many athletes and coaches believe any hill in their home country must be approved, without realizing the rigorous criteria and application process involved with FIS certification.
Jump distance is measured by a video distance measurement system (VDMS) to the nearest 0.5 m (1.6 ft). The system uses cameras mounted along the landing slope with calibrated reference lines.
Why people argue about this
People often assume that the VDMS system measures jump distance with a precision of 0.5 meters just based on what they're told, but in reality, it rounds off the final measurement to the nearest half meter for simplicity and practicality, even if the actual measurement could be more precise.
The athlete starts from a designated gate (starting bar) on the in-run. The gate number determines the in-run length and thus the takeoff speed.
Why people argue about this
People think that gate number only determines takeoff speed, but actually it's about determining which of several in-run lengths the athlete will use for their jump, based on a predetermined schedule. The confusion arises because the in-run length can vary even within a single competition day, depending on weather conditions and other factors affecting safety.
Every jump starts with a base of 60.0 points at the K-point. Points are added or deducted for distance beyond or short of the K-point: Normal Hill (K-90): 2.0 points per metre beyond K-point; 2.0 points deducted per metre short.; Large Hill (K-120): 1.8 points per metre beyond K-point; 1.8 points...
Why people argue about this
People often assume that the 60. 0 points at the K-point are awarded for finishing perfectly on a jump, but actually, they're just the base score given immediately after takeoff, regardless of how well or poorly the jumper performs in the air. The misunderstanding stems from confusing this initial scoring with the final score after all factors like distance and style are considered.
The FIS may impose additional sanctions beyond competition-day DSQ, including suspension from future events, fines, and loss of World Cup points. Equipment violations detected in post-competition checks retroactively void results.
Why people argue about this
People often assume that equipment violations only result in immediate disqualification (DSQ) on competition day, forgetting about retroactive penalties like losing points or being banned from future events if caught post-competition. They overlook how these additional sanctions can have a significant impact on an athlete's career and performance over time.
The BMI minimum rule (21.0 for full ski length) was introduced to combat eating disorders and dangerous weight-cutting practices that became prevalent when lighter athletes gained significant aerodynamic advantage. Medical screening for eating dis...
Why people argue about this
People often assume that the BMI minimum rule in ski jumping is solely about preventing eating disorders, which isn't entirely accurate. The real intent is to maintain a level playing field by ensuring athletes don’t gain an unfair aerodynamic advantage through extreme weight loss or gain, thus preserving the sport's integrity and fairness for all competitors.