Finding a marathon swim coach can be difficult. That is why we put together this resource for you. Find some of the top marathon swim coaches in the world in one list to make your life a little bit easier. The coaches on this list are not associated with Endurance Swimming in anyway. This is a resource to help you see all the different options available to you with different coaches. We hope this helps you find the perfect coach for your needs!

Endurance Swimming: Craig Lewin

Sarah Thomas Swims: Sarah Thomas

Sarah Thomas, a decorated marathon swimmer and dedicated swim coach, has been passionate about swimming since her youth. Having competed through high school and the University of Connecticut, her love for the sport led her to open water swimming after moving to Denver in 2004. Despite living a good 30-minute drive from any bodies of water, her enthusiasm remains undeterred. As a coach, Sarah specializes in guiding adult swimmers seeking to excel in open water distances beyond the 10k. She brings a wealth of personal experience to her coaching, with noteworthy achievements such as the first Double Tahoe and Memphre Crossings in 2013, swimming 100+ miles in 2017, the first Four Way English Channel in 2019, and the first Double North Channel in 2022. A breast cancer survivor, Sarah personifies resilience and determination, infusing these qualities into her coaching, inspiring her swimmers to surpass their own open water swimming goals.

For more information visit: Sarah Thomas Swims

Open Water Swim Academy:

Dan Simonelli

Nora Toledano

An accomplished biologist and seasoned open water trainer, she has forged a remarkable career in marathon swimming. With 12 English Channel crossings (6 Solo & 6 Relay) and the distinction of being the first Latin American to achieve a double crossing, she has truly made her mark. She was also the first Latin American Woman to complete the Seven Seas project, securing her place in the International Marathon Swimming Hall of Fame and earning a Guinness World Record for continuous swimming. As a dedicated trainer, she has guided numerous swimmers in achieving their open water goals, ranging from short distances to high-difficulty crossings such as the English Channel and the Bosphorus Strait. Notably, she trained Antonio Argüelles, the 7th person worldwide to complete the Seven Seas project. As a sought-after speaker, she shares her insights to inspire future marathon swimmers. She has coached athletes from Mexico, Peru, Colombia, Italy, Iran, Spain and Venezuela and hosts several open water clinics throughout the year. She is fluent in Spanish and works mainly with Spanish speaking athletes.

For more information visit: noratoledano.com

Swim Open Waters:

Sidney Russell

Sidney was a competitive age group swimmer and is a lifelong ocean swimmer. She coaches masters in La Jolla and does private coaching for marathon swimmers and triathletes. She offers free weekly coached open water workouts in Southern California for anyone looking to increase their endurance or to improve their technique. In 2022 she completed the California Triple Crown of Marathon Swimming which includes swimming the Catalina Channel, the Anacapa Channel, and the Length of Tahoe. She is a Catalina Channel Observer, USMS and WOWSA certified coach. Services offered: long distance and marathon swimming progamming, virtual coaching, stroke analysis, private swim lessons, surf entry, support kayaker, support crew.

For more information visit: swimopenwaters.com

Train Daly: Dan Daly

Dan Daly is a highly experienced and respected marathon swim coach with an extensive background in competitive swimming, fitness, and personal training. With a deep-rooted passion for open water swimming, he has leveraged his knowledge to train numerous swimmers for marathon swim events, including successful English Channel crossings and other long-distance challenges. Known for his detailed and individualized approach to coaching, Dan focuses on technique, strength, endurance, and mental preparation to ensure his athletes are ready for their swimming challenges. His comprehensive coaching program at TrainDaly.com, supported by his own endurance achievements and professional qualifications, has proven successful for swimmers of all ages and skill levels aiming to tackle marathon swims.

For More Information visit: Train Daly

Carly Miller

Carly Miller, a distinguished marathon swimmer and accomplished swim coach, boasts an illustrious career fueled by her lifelong passion for swimming currently based in Los Angelos California. With her roots in competitive swimming on the East Coast, Carly transitioned into professional coaching in 2016, influenced by her high school swim coach. She currently leads as the head coach of the open water program for West Hollywood Aquatics, serves as the Head Varsity & JV Swim Coach at Notre Dame Academy, and runs Stotan Swimming, a private coaching business catering to a diverse clientele. After a 20-year hiatus from swimming, Carly rekindled her love for the sport in 2015. Her notable feats include swimming the Santa Barbara Channel, completing the width and length of Lake Tahoe, the Catalina Channel, swims around Manhattan and Coronado, competing in North America's longest open water race END-WET and completing the California Triple Crown. Carly has also made significant contributions to her community by raising nearly $35,000 for the non-profit organization FORCE and over $17,000 for Heal the Bay through her swims. With more swims and fundraisers on the horizon, Carly brings her breadth of knowledge and expertise to all the athletes she coaches to them achieve their marathon swim goals!

For more information email Carly or check out her Instagram!

Dover Channel Training:

Emma France

DCT is relevant for people who train regularly with us for the open water element of their training. We also host weekly community calls for members - an opportunity to bring questions that need answers. Finally we host an annual conference with all manner of experts presenting. Paddlefish Panda Ltd (parent company) gives holistic view of training - pool and open water. We can provide coaching in an endless pool and one to one training plan support to help marathon swimmers achieve their goals!

For More Information visit: Dover Channel Training

Infinity Channel Swimming

Infinity Channel Swimming is a leading organization in open water marathon swimming, situated in Northern Ireland. Their primary focus is to provide unparalleled support and expert guidance for swimmers of all abilities, from those attempting their first short open water swim to those tackling the gargantuan challenge of swimming the English Channel. Leveraging years of personal experience in marathon swimming, Infinity offers professionally guided swims, comprehensive training camps, and expert coaching, helping swimmers achieve their goals safely. With a proven track record of successful swims, they are recognized globally for their commitment to safety, professionalism, and the pursuit of open water swimming excellence.

For More Information visit: Infinity Channel Swimming

Vlad Swims: Vlad Mravec

Vlad’s expertise lies in increasing interesting and effective pool and ocean swim sessions covering all levels of intensity and skills to help swimmers achieve their long distance goals. He has a clear understanding of how to structure training programs and plan for specific endurance swim events.Swim Coach since 1995Certificate: Masters Degree at University Physical education of sport Special for Swimming Australia and Teacher swimming Association swim coach and Open water swim coach2021 inductee into the Australian Marathon Swimming Hall of Fame.

For more information please visit vladswim.com.au

Intrepid Water: Shannon House Keegan

Shannon is SwimMastery Fundamentals and Advanced certified coach empowering individuals to swim with ease and keep their shoulders safe whether swimming their first 25 meters or their next 25 miles. Recently named Vice Chair of the WOWSA Coaching and Education Committee, Shannon has been swimming down rivers and across lakes since 2010. Having embraced a long history of performance anxiety and fear of the open water, Shannon turned to coaching swimmers in pursuit of their personal limits in 2018. In 2020, Shannon started the podcast, Marathon Swim Stories (153 episodes and counting) to highlight the remarkable stories of endurance swimmers, how they got started and why they keep going. Listen on your favorite podcast provider or Marathon Swim Stories. You can join her network of like minded limit pushers here:

For more information visit: Intrepid Water

Jacques Tuset

A CSA approved coach in France and Honored as a swimmer in the International Marathon Swimming Hall Of Fame. Jacques swam solo across the English Channel in 2002 (Van Vooren Trophy) and a relay Channel team in 2014. He was the Philippe Croizon' coach in 2010 (The French Disabled swimmer without arms and legs). He swam the Gibraltar Strait, the Beltquerung strait, Jersey to France, ... and many other swims. He brings his vast swimming experience to all of his athletes to help them in their open water journey.

For more information visit jacquestuset.com

The Kings Swimmers

ISwim4: Jeffrey Rake

Ullswater Swim Place: Colin Hill

Colin Hill

Colin, Director of Ullswater Swim Place, was inducted into the International Marathon Swimming Hall of Fame.  Colin loves coaching swimmers from beginners to very experienced, as well as sharing his love for the open water. He is an English Channel Soloist - 10hrs 30 mins, completed several two way Windermere Solo swims and has taken part in many open water races and crossings around the world, including winning a 25km Madeira Swim Race. Colin has been Winter/Ice Swimming World and UK Age Group Champion for 450m (in 2023 he was Age Group World Winter Swimming Champion for 450m and 2nd in the 1km race).  Colin became the first UK male to officially complete the Ice Mile (International Ice Swimming Association). Former British Age Group Triathlon Champion.Organiser of the London 2012 Marathon Swimming Olympic Race. Qualified STA Level 2 Pool & Open Water Coach.  RLSS Open Water & Beach Lifeguard 

For more information visit: Ullswater Swim Place

If you are interested in being added to the Marathon Swim Coach Directory, please fill out the form below and Coach Craig will be in touch shortly with next steps.