Front cover of the October 2025 issue of the Outdoor Swimmer magazine. The image, taken from above, shows the number '100' in water, formed by a group of swimmers, celebrating the 100th edition.
Outdoor Swimmer Magazine - Swimming Development
Magazine cover of 'Outdoor Swimmer' depicting people swimming in a lake and forming the number '100' to celebrate 100 issues of the magazine.
Front cover of the October 2025 issue of the Outdoor Swimmer magazine. The image, taken from above, shows the number '100' in water, formed by a group of swimmers, celebrating the 100th edition.
Outdoor Swimmer Magazine - Swimming Development
Magazine cover of 'Outdoor Swimmer' depicting people swimming in a lake and forming the number '100' to celebrate 100 issues of the magazine.
Outdoor Swimmer Magazine

Outdoor Swimmer Magazine - Swimming Development

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October issue | Swimming Development | Issue No. 100

Celebrate a milestone with us! The October 2025 “Swimming Development” Issue of Outdoor Swimmer is our 100th edition, created by swimmers, for swimmers. This month we honour our roots—born in 2011 as H2Open—and showcase how outdoor swimming, and our community, have evolved. 

Inside you’ll find training features and expert guidance on technique, safety, and performance to help you progress in open water. We also highlight inspiring stories of swimmers who cross oceans for causes, battle the elements, and champion people and nature alike.

Whether you’re squealing through your first cold-water dip or preparing for your next endurance challenge, this issue celebrates the creativity, camaraderie and determination of swimmers worldwide. Join us as we mark 100 issues of bringing you the very best in outdoor swimming—past, present and future.

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