The UltraSwimming Podcast

Author: Marathon Swimmers Federation

Conversations, stories, and ideas from the world of solo long distance open water swimming (UltraSwimming).
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Language: en

Genres: Health & Fitness, Sports, Swimming

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Episode 4: Training for Ultra Marathon Swims
Episode 4
Monday, 26 January, 2026

Episode 4: Training with Charlotte Brynn, Joe Zemaitis & Sidney Russell So what’s the best way to train for an ultraswim? In this episode we welcome [Charlotte Brynn](https://ultraswimming.org/database/p/charlotte-brynn), [Joe Zemaitis](https://ultraswimming.org/database/p/joe-zemaitis) and [Sidney Russell](https://ultraswimming.org/database/p/sidney-russell), renowned ultraswimmers who are also experienced coaches to get their take on the perennial question of how to best prepare yourself for an endurance adventure as dynamic, unpredictable and complex as an ultraswim. Our discussion covers four components of training for ultraswims: * safe and efficient technique * building endurance * acclimatizing * mental fortitude While “everyone is different” (as we have grown increasingly fond of saying), we identify some key pieces of wisdom to share with you as you consider how to design and structure your training and preparation. Music: 'Wanderlust' by [Scott Buckley](https://www.scottbuckley.com.au) - released under CC-BY 4.0. A few references from the episode: * Charlotte Brynn, [swimwithbrynn.com](https://www.swimwithbrynn.com/) * Sidney Russell, [swimopenwaters.com](http://swimopenwaters.com) * Joe Zemaitis, [Swim Neptune](https://www.gomotionapp.com/team/assn/page/custom-page) * Marathon Swimmers Forum thread, [Training Plans for Marathon Swims 10k and Up](https://ultraswimming.org/forum/discussion/1811/training-plans-for-marathon-swims-10k-and-up) * [Training for a Marathon Swim](https://ultraswimming.org/news/2015/01/training-for-a-marathon-swim) by Evan Morrison * Science of Ultra Podcast Episodes - [Mileage Matters Most](https://www.scienceofultra.com/podcasts/136) - [Training Intensity Distribution](https://www.scienceofultra.com/podcasts/148) * Addie Bracy’s book, [Mental Training for Ultrarunning](https://www.thriftbooks.com/w/mental-training-for-ultrarunning_addie-j-bracy/27038138/#edition=57821861&idiq=45515125)