Charity Event – Raised DKK 30.100,-

NEW World Record Swim
– Longest Continual Swim in a Swim Spa

A new World Record for the longest continual swimming time in a commercially available free-standing swim spa was set by Dennis T. Seiler-Holm (DK) at DenForm Lux Expo in Denmark.

Dennis swam for 17 hours and 7 minutes non-stop including approved toilet breaks. The record attempt commenced 20 pm Friday 25 May 2018 and finishing Saturday 13.07 pm 26 May 2018.

At DenForm Lux Expo the general public was able to view the record attempt from start to finish.

The event was electronically timed and recorded with a live web cam feed and streamed live from YouTube and Dennis’s website. 

1025 person from 16 Countries viewed almost 83 hours of live stream – Denmark, United Kingdom, Turkey, Spain, Saudi Arabia, Norway, Sweden, Belgium, Oman, Austria, Japan, Switzerland, United States, France, Greenland and Germany.

The swim spa record have met the record breaking criteria including superlative endurance, fitness, skill level, measurable by time and able to be challenged and broken in the future as swim spas are readily available worldwide for other record attempts.

The previously World Record for non-stop swimming in a swim spa was set by Chloë McCardel (AUS) in year 2014.

Dennis T. Seiler-Holm

Rules - Swim Spa World Record

The following rules will apply for the swim.

The swim will be in a commercially available standard Swim Spa, Model – DenForm Swim Spa 6 m twin system. The Swim Spa is similar to the Swim Spa used in the current Swim Spa World Record.

• Dennis will be attempting to swim for 17 hours and 07 minutes non-stop (including regulation breaks).

• A 10 min toilet break on average every 3 hours. This is for hygienic and sanitary purposes and includes return time to get out of spa and travel to and from the toilet.

• Dennis is allowed to use a commercially available tether and wear one pair of standard bathers, 1x cap (latex or silicon), 1x set of goggles, 1x nose clip and 1x set of ear plugs and a solution on his body to prevent / reduce chafing. Bathers will adhere to the Channel Swimming Association rules

• If any medical attention is required and Dennis is required to stop swimming the time must be used within the allotted time for toilet breaks.

• No intentional touching or standing on the bottom or sides or the spa*

• No intentional touching of other people or people are allowed to touch Dennis.

• The expo will be open to the general public throughout the day when the expo is open – but the general public will be able to view the record attempt from start to finish.

• The event will be electronically timed and recorded with a live web cam feed and streamed live to YouTube and Dennis’s website (accessible to the general public on the internet via YouTube). A copy will also be kept and be accessible via this web page.

• Two Independent representative who is a trained and active sports official under the Danish Swimming Federation will officially observe the swim to ensure that any record guidelines are adhered to.

• The independent observers will submit a statutory declaration (legal document in Denmark after the swim stating whether all the rules where observed and recording all the relevant details of the swim).

• The observers sole responsibility is to time the swim, observe and record swim details against the pre-determined rules. They may not assist the swim in any way.

• No support swimmers, other people nor objects are allowed in the spa.

• Any swimming stroke, swimming action or kicking is allowed.

• The World Anti-Doping Agency (WADA) prohibited drug list applies to this swim. The Danish authorities Anti Doping Danmark (ADD) have been warned throughout this event.

• Provides a complete list of banned substances and also enables the user to search for individual active ingredients:

*Excludes 10 min toilet break on average every 3 hours.