Over the years I have been asked hundreds of questions about marathon swimming. I have compiled a list of the top 10 most commonly asked questions I have received and their answers. If you have a question that I haven’t covered in this post, please ask it in the comments and I will be sure to add it to this post! Hopefully this will get you on your way!

How long is a marathon swim?

By official definition, a marathon swim is any open water swim of 10 kilometers or more. This is roughly equivalent to a half marathon in running.

How do I train for a marathon swim?

Training for a marathon swim involves building up your swimming endurance, practicing in open water conditions, and acclimatizing to cold water. It also involves working on your nutrition strategy for long swims. Training under the guidance of a coach experienced in marathon swimming can be extremely beneficial.

How long does it take to complete a marathon swim?

The time it takes to complete a marathon swim depends on many factors including the distance, the swimmer's speed, water conditions, and currents. A 10-kilometer swim could take anywhere from 2 to 4 hours or more.

What are the rules of marathon swimming?

The most widely accepted rules for solo marathon swims stipulate that swimmers cannot touch the support boat or another person, cannot wear a wetsuit or any other device that aids buoyancy or speed, and must start and finish the swim on land.

What should I eat during a marathon swim?

During the swim, you'll need to consume high-energy, easily digestible foods or liquids. Many swimmers use high carbohydrate sports drinks, gels, or homemade blends. It's crucial to practice feeding during training to figure out what works best for you.

What's the temperature of the water during a marathon swim?

The water temperature can vary significantly depending on the location and time of year. Temperatures can range from below 15°C for colder swims like the English Channel to much warmer temperatures for swims in more tropical locations.

What equipment do I need for a marathon swim?

Aside from a standard swimsuit, cap, and goggles, you'll need a support boat and crew, food and drink for nutrition during the swim, and channel grease or a similar substance to help prevent chafing and for sun protection. Some swimmers also use a glow stick or waterproof light for visibility if swimming at night.

What is the most famous marathon swim?

One of the most iconic marathon swims is the English Channel crossing, a distance of about 21 miles or 34 kilometers. However, due to tides and currents, swimmers usually end up swimming significantly more than the straight-line distance.

Can I wear a wetsuit during a marathon swim?

Under traditional marathon swimming rules, wetsuits are not allowed as they aid buoyancy and provide insulation from cold water. Swimmers usually wear only a standard swimsuit, cap, and goggles.

How do I deal with jellyfish during a marathon swim?

Jellyfish can pose a challenge during some marathon swims. Some swimmers use a thin layer of petroleum jelly for a bit of protection, while others rely on their support crew to guide them around areas of jellyfish if possible. Despite these measures, stings are sometimes an unfortunate part of the sport.

Marathon swimming is a challenging yet rewarding sport. Whether you're a seasoned swimmer or a beginner looking to tackle your first long-distance swim, it's essential to stay informed and prepared. Hopefully you have found the answers to these questions helpful on your marathon swim journey!

Successful Swims Are Built With Endurance!