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Klassementsbepalingen Brabantbeker 2015

Netherlands Open Water Web - Fri, 27/10/2017 - 16:48

De 6 Brabantse Open Water organisaties hebben samen de klassementsbepalingen Brabantbeker 2015 vastgesteld. Zie bijlage.

De wedstrijden worden georganiseerd door en gehouden op:

1. Arethusa : zaterdag 4 juli

2. SBC-2000 : zondag 9 augustus

3. PSV (incl. NK) : zaterdag 29 augustus

4. De Warande (incl.NK) : zondag 30 augustus

5. De Dommelbaarzen : zondag 6 september

6. De Biesboschzwemmers : zaterdag 12 september

We nodigen iedereen uit om te komen deelnemen in Brabant en wensen jullie een sportief Open Water seizoen toe.

Bijlage:  Klassementsbepalingen Brabantbeker 2015.pdfNederlands nieuwsregio-br
Categories: open water

Madeline Groves Thanks Support Team After Panel Clears Her In Missed Doping Test Case

Swimvortex - 1 hour 33 min ago
Madeline Groves, the Olympic 200m butterfly silver medallist at Rio 2016, has been cleared of wrongdoing by a hearing into the c circumstances of a third missed out-of-competition anti-doping test
Categories: other swimnews

Tahoe Swimming History

marathonswimmers.org - 6 hours 30 min ago

15 Swimmers successfully swam the 10.5 mile Viking swim this year. Alice Ma swam the first reverse from Vikingsholm Emerald Bay to Cave Rock. Check laketahoemarathonswimfederation.org website for more information. Its been a pleasure helping so many swimmers achieve their goals this year! If you are interested in helping crew a Tahoe swim next year please let me know. We could always use more support on the water.

Categories: open water

II Jornadas Técnicas de la RFEN (27—28Nov.)

La Real Federación Española de Natación organiza y presenta las II Jornadas Técnicas de Formación que van a tener lugar los días 27 y 28 de noviembre en el Expo Hotel Barcelona. Un Programa espectacular con la presencia de Stéphane Lecat, DT de la Fed. Francesa (6 medallas en Budapest), Fernando Possenti (entrenador de AM Cunha), el prestigioso coach italiano Fabrizio Antonelli, y los técnicos Fred Vergnoux (Head Coach RFEN) y el Director Técnico de AA, Ricardo Barreda.
Categories: federation

Ágatha, Premio Nacional de Diseño de Moda 2017

Ágatha Ruiz de la Prada, Fashion Partner de la Real Federación Española de Natación, ha recibido este viernes la noticia de que ha sido galardonada con el Premio Nacional de Diseño de Moda 2017, un reconocimiento que concede el Ministerio de Cultura, Educación y Deportes. El jurado la ha premiado por unanimidad "en reconocimiento a sus más de 30 años de trayectoria, por su capacidad de vincular su trabajo en moda con otras manifestaciones..." Muchas felicidades desde la RFEN, Ágatha!
Categories: federation

Kromowidjojo and Kamminga In Record Form At Short-Course Amsterdam Cup

Swimvortex - 8 hours 19 min ago
Ranomi Kromowidjojo and Arno Kamminga cracked out Dutch short-course records at the Amsterdam Swim Cup this evening. Kromowidjojo’s 24.53blast in the 50m butterfly left her a second ahead of her closest rival, while Arno Kamminga took down the 200m breaststroke standard in 2:04.35
Categories: other swimnews

Mireia ORO y Juanllu BRONCE en Saint Dizier

El 26th Meeting de Saint Dizier (Francia) en piscina de 25 metros ha comenzado este viernes, y lo ha hecho con un oro para Mireia Belmonte en los 800 libre y un bronce para Juanllu Pons en los 1.500 libre en las dos finales del día, ya que el resto han sido eliminatorias. La de Badalona paró el crono en 8.27.78, mientras que el mallorquín hizo lo propio en la distancia larga con 15.02.81. El fin de semana, más.
Categories: federation

How To: A Guide to Rough Water Exits in Open Water Swimming – Part II – Impacts Zones and Beaches

Loneswimmer - Fri, 20/10/2017 - 22:14
The Simple Rule of Rough Water Exits

I’m going to continue by reiterate the most important point from Part One.

The first, easiest and more common way of dealing with rough water exits is to not get into the water unless the water is calm.  It’s an option many novices fail to consider and they often let bravado interfere with that decision, in truth as do many more experienced swimmers. This option, not entering, should always be considered afresh;
  • Whenever there is rough water
  • When swimming a new location
  • When swimming at a “hard exit” location (reefs, steps, stairs, ladders, ropes, piers, slipways, stones, shingle, concrete platforms, walls or revetments, pontoons, boats)
  • In high wind
  • In locations with high tidal range (greater than two metres)
  • At locations with marine traffic
  • At beaches

That list is also useful to consider the actual hazards. And if you look again at it, you’ll notice that I actually listed all possible locations, including beaches which are often disregarded. My point is that planning an exit is part of every swim, every location. Sometimes in benign conditions it will be no more than subconscious, but fairly often it should require conscious consideration.

Like the early part of the first post, further discussion of rough water will prove useful. I

Copper Coast Impact Zone – Force Four Wind

Where do waves break and what is the Impact Zone?

The impact zone is the surfing term for the area where waves are breaking. It is the horizontal distance in which waves break from shallow to deep water. For open water swimming we must also consider vertical distance, the difference between the minimum and maximum heights of waves. We could think of the Impact Zone as a zone of increased unpredictability.

I wrote about waves and their impact on swimming many years ago, but I want to return to a couple of salient point about breaking waves:
  1. Waves break in depths of 1.3 times their height.
  2. A wave that breaks will often create a subsequent waves that will break again in more shallow water.

What actually happens is that friction of the bottom causes the underwater part of the wave to slow so that the faster moving top of the waves falls over in front. The wave trips or spills.

The height of a wave is from the lowest point of the trough to the peak. This seems obvious but in practice, most people will underestimate the height because they think the trough is just the bottom of the wave face, whereas it’s often out in front of the wave.

A wave that encounters a sharp decrease in depth will break suddenly. This is why waves that break on reefs are usually more powerful, because the sudden depth allows bigger waves to break. The sudden depth change means that the impact zone, that might result in a narrow impact zone.



Beach exits

  • Sandy Beaches

On beaches with a more gradual depth change, waves will break in decreasing depth. So a twelve-foot wave will break in fifteen feet of water, but this might result in a subsequent mushy six-foot waves, which will break in eight feet of water, resulting in a further three-foot wave which will break in chest deep water. This combination of gradually decreasing depth causing subsequent waves of lesser heights to break in shallower depths, means the impact zone in front of beaches is much wider, that is, it reaches further out to sea and is consequently more difficult to swim through.

The previous points are based on a shallow gradient beaches. (In Ireland this would include long shallow beaches like Tramore, Myrtleville or Lahinch).

Beaches with steep gradients are sometimes called destructive -formation or -action beaches. Steep beaches are subject to destructive wave breaking, and feature sudden depth changes and vertical crashing waves.

The steep gradient amplifies the breaking power of the waves in the sudden depth change, constraining the area of the impact zone, somewhat similar to reefs.  So exits to such beaches can result in impacts with swimmers being suddenly and unexpectedly being lifted and dropped in very shallow water. At which time the sand you think of as soft presents a compacted and hard surface onto which you can be thrown.  In fact destructive-action steep beaches can present such a hazard that surfers coined another phrase for them; kamikaze breaks.

Such as beach is Bunmahon on the Copper Coast, known for its steep waves which suits body-boarders and surfers.

The US NOAA site has a nice gif of how waves break dependent on beach gradient.

The gradient of the beach affects how the waves break

In rough water steep beaches usually have a strong undertow away the beach, often strong enough to knock a person from their feet.

Another hazard of beaches relevant to exits, (whose broader features I’ve included in the Features and Hazards of the different types of open water swimming locations three-part series ), is that of “channels” or “rips”. Rips on beaches are the small areas in the water along a beach  where the water from incoming waves flows back through the waves back out beyond the impact zone. As such they present an outward current that can be very powerful and gave rise to the myth of the “undertow” especially on steep destructive action beaches.

Rips are usually but often not easily recognised as an area where less waves are breaking and so present a deceptively attractive exit point.

An outward surface current may or may be visible through the flow of foam or bubbles. They are rarely wide, often not more than ten to twenty metres. Bunmahon beach, already mentioned above, actually combines destructive  with a concentrated outward channel, which has resulted in a number of drownings. Other destructive action beaches include Australia’s famous Bondi beach and California’s Newport Beach and the infamous Wedge beach break wave.

Rips (unhelpfully often called rip tides, which have nothing to do with tides) run out from and parallel to or diagonal from the beach.These rips combined with destructive wave action on steep beaches, is a noted regular cause of ocean drownings. A swimmer trying to approach a beach through a channel or rip should not waste energy trying to overcome the current, but should swim along the shore until they pass out of the channel. Though not strictly speaking a rough exit, the hazards channels present means they should be accounted in the same category.

A safer method is to stop and duck under the water as the wave approaches and allow it to pass overhead, and continue to progress toward the beach in the gaps between waves. However in onshore conditions (wind blowing off the sea toward land) , the water will be rough and the interval between waves too short to do this, and the swimmer must continue onward. If you have not learned the difficult skill of body-surfing (which is outside the scope of this article), the best option is to drop your legs as the wave passes, and assume a more vertical position in the water. This reduces the chance of being thrown onto your head by the wave. When approaching a beach from the ocean in pronounced waves, depending on the severity of the conditions, it may be best to stop swimming in the last twenty five metres or so, take the vertical position and merely allow the waves to move you onto the beach using only a small amount of swimming. By being vertical you can with correct timing and often allow larger waves to catch you and deposit you virtually standing on the beach. The reason for stopping this far out is to allow for the variability of waves coming from behind, which can have an height (amplitude) difference of double the surrounding waves. This is not a beginner skill, but when mastered and in the right conditions can allow a person to seemingly walk directly out of crashing waves.


Onshore waves in a Force Four breeze break onto Dover’s steep shingle Shakespeare Beach, the traditional starting point of English Channel solos


  • Shingle and stone beaches
Shingle or stone beaches are much more difficult than sand. The risks associated with crashing waves and rips are present, to which are added a hard yet unstable underfoot surface and the possibility of bruises, lacerations and impacts. Shingle beaches are also more likely to be steep. (Sand beaches can become shingle and vice versa, as the result of single storm). The best known example to many experienced swimmers of this type of beach is Shakespeare Beach or  Dover’s Harbour shingle beach. Even in good conditions it is difficult to climb without footwear. In rough conditions it requires skill and the confidence and/or skill common to experienced open water swimmers to navigate. But no-one travels a second time to Dover without bringing sandals, and one can will regularly see swimmers having sandals thrown out to them before they attempt exit the water.

A safe to swim lifeguard flag over Bunmahon at low tide seems benign, shallow and safe, belying its steep breaking waves and dangerous rip

Note: Many beaches, especially beaches in higher tide ranges, are a mix of both sand and shingle and as mentioned above, some change. Dover beach has sand below the shingle on a low spring tide, as does Kilfarrassey on the Copper Coast. Other beaches are the opposite, with submerged rocks and shingle below the sand slope, such as Clonea beach also on the Copper Coast. Annestown beach, also on the Copper Cost, has changed for sand to shingle and back a number of times over the past two decades.


Beaches, often considered the most safe exit, therefore present their own challenges which like all things related to the sea, must be understood and appreciated.

In the next and final part we’ll look at the remaining important types of rough water exits.

Related articles:

How To: Swimming in rough water.

How waves can interfere with swimmers and cut down on their speeds

How To: Understanding Rough Water: Force Three.

How To: Understand Waves for Swimmers – Part 1.

How To: Understand Waves for Swimmers – Part 2.

How To: Understand the Beaufort Wind Scale – An essential observational skill for the OW Swimmer.

How To: Understand the Features and Hazards of the Different Types of Open Water Swimming Locations – I – The Ocean.

Categories: open water

PLATA y BRONCE, gran debut de España en Eilat

Gran debut de España en el Mediterranean Cup de selecciones de Aguas Abiertas que ha arrancado esta mañana en Eilat (Israel). Plata para el relevo 4x1.250 metros y bronce para Alexia Arredondo en los 5 kilómetros individual. Sin duda, un inicio más que prometedor para nuestra selección, que mañana tendrá la última oportunidad en los 10 kilómetros.
Categories: federation

Clasificación presinscripción Copa Clubes 2ª Div

Clasificación de la preinscripción a la Copa de España de clubes de natación de 2ª división, los equipos que clasficados en categoría masculina son 11, ya que se ha producido la renuncia de un equipo, en categoría femenina 9. Recordamos que la confirmación de los equipos clasificados finaliza el martes 24 de octubre.
Categories: federation

Zwemkroniek Blog Amsterdam Swim Cup: Nog geen nieuwe EK-limieten, toptijd jonge Luc Kroon

Zwemkroniek Nieuws - Fri, 20/10/2017 - 14:51
50m vlinderslag Direct een dijk van een tijd voor Ranomi Kromowidjojo, die nooit eerder in een ochtendsessie zo snal was als haar 24.89 van nu.
Categories: other swimnews

Liga Premaat: El Sabadell visita la Isla

Tercera jornada de competición de una Liga Premaat que sigue cogiendo color y que vuelve a tener enfrentamientos apasionantes una semana más. El Astralpool CN Sabadell visita la isla de Tenerife con el objetivo de mantener el liderato (12:00). El otro equipo con pleno de triunfos, el CNAB, recibe al CE Mediterrani (12:459. Además, CN Terrassa—CN Barcelona (18:00), CN Sant Andreu—CN Molins (18:00) y CW Navarra—Real Canoe NC (19:30). El 25 se jugará el Catalunya—Mataró.
Categories: federation

Swim Cup A'dam dag 1: Kromowidjojo schittert op de 50 vlinder

KNZB (The Netherlands) - Fri, 20/10/2017 - 02:00

Dit weekend is het zover. De laatste kans voor de Nederlandse topzwemmers zich te kwalificeren voor het EK kortebaan in Kopenhagen, in december van dit jaar. Plaats van handeling: het Sloterparkbad in Amsterdam. Alle toppers zijn aanwezig, op Kira Toussaint en Robin Neumann na, die in Amerika wonen en zwemmen. Terwijl op de 19e oktober de herfst definitief zijn intrede doet en het Sloterpark het toneel is van wind en regen, is het binnen in het zwembad ouderwets broeierig. Met zwemmers die heen en weer dribbelen tussen het uitzwembad en de arena. Nakaartend, glimlachend, zuchtend. Limiet of geen limiet, that’s the question. Het 50-meterbad is doormidden gezaagd. Halverwege is een tribune gebouwd. Met daarop de zwemmers en officials die in de gaten houden of de zwemmers zich aan de regels houden. Zoals met twee handen aantikken bij de school en vlinder en of de zwemmers niet stiekem te lang onder water zwemmen. De harde up-tempo muziek zorgt ervoor dat niemand verslapt. Spreekstalmeester van dienst is oudgediende Jos van Kuijeren.

Categories: federation, other swimnews

Liga Iberdrola: Primera jornada con partidazo

Arranca la Liga Iberdrola 2017—2018 y lo hace con un partidazo que, además, emitiremos por streaming a través de LaLiga4Sports. El Astralpool CN Sabadell—La Sirena CN Mataró (13:00) copa todas las miradas, pero trambién se disputarán el CN Terrassa—CW Dos Hermanas (16:00), el CN Sant Feliu—EW Zaragoza (17:00), el CN Madrid Moscardó—CE Mediterrani (18:30) y CN Rubí—CN Sant Andreu (19:45).
Categories: federation

Mediteranean Cup: Nuestros juniors, preparados

Nuestra Selección española junior está preparada a menos de 24 horas del arranque en Eilat (Israel) de la Mediterranean Cup, el gran escaparate de los países mediterráneos de edades en Aguas Abiertas. España lleva una ambiciosa representación —de la que hemos informado aquí días atrás— formada por un total de 8 deportistas y 5 técnicos, comandados por una estrella de este deporte, Margarita Domínguez, en labores de Jefatura de Equipo. Con su experiencia, una apuesta más que segura.
Categories: federation

Rafa Fernández, MVP Premaat de la Jornada 1

Rafael Fernández, waterpolista del Real Canoe NC, ha sido designado MVP de la Jornada 1 de la Liga Premaat. Fernández ha recibido el premio al ser considerado el mejor jugador de una primera fecha en la que su equipo empató en casa frente al CE Mediterrani (7—7) y en el que colaboró con tres dianas para sumar el primer punto de los suyos. ¡Enhorabuena!
Categories: federation

Kayak Support Instructional Video

marathonswimmers.org - Thu, 19/10/2017 - 16:10

Morning! I'm excited to begin putting together some plans to create an instructional video on proper kayaking while supporting a swimmer. As the Three Rivers Marathon Swim Race Director, I have modeled my 'dual kayak approach' similar to how the Manhattan Island Marathon Swim was run while observing, and competing in the race. I have always liked the approach, while using two kayaks, to have one as the guide (breathing side) kayak, and the other as the feeding/data recording kayak. Plus, having the two kayaks is nice in case one kayaker needs to use the restroom, leaving one on the swimmer at all times.

I am interested in any best practices that you might have used as a swimmer, or as a kayaker yourself. Also, I would like to include a section on a one kayak approach as well, just in case the instructional video can benefit marathon swimming events where a single kayak is used. Thank you!

Categories: open water


marathonswimmers.org - Thu, 19/10/2017 - 15:35

For those of you who haven't seen it yet I highly recommend Chasing Coral (http://www.chasingcoral.com). I've watched this documentary twice now and have been mesmerized by the beauty of the coral, engaged in the information presented about the only other life on this planet that builds big structures, and so saddened by recent events. Watch it with your kids, friends and neighbors (they support showings to groups large and small).
Here in Charleston they have used to help people getting involved in legislation promoting solar energy. The group supports small local action and education having shown it in schools (apparently there are support materials available for this). So check it out.

Categories: open water

Así quedan los dos grupos de Champions

Dos equipos españoles estarán en la fase de grupos de la LEN Champions League. Astralpool CN Sabadell y CN Atlètic Barceloneta serán la representación nacional en la mejor competición de clubes de Europa, que reúne a los 16 mejores equipos del viejo continente. Los de Chus Martín han quedado encuadrados en el Grupo A; los de Chava Gómez, en el B. En juego, ocho plazas para el nuevo formato de Final Eight en Génova.
Categories: federation

Terug van Hong Kong en Doha en nu aan de start in Amsterdam: Arno Kamminga en Thom de Boer

Zwemkroniek Nieuws - Thu, 19/10/2017 - 13:50
Dit jaar dienden zich twee laatbloeiers aan: Thom de Boer (25) en Arno Kamminga (21).
Categories: other swimnews