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Every coaching partnership has an origin story. Ours began with an eight-hour training swim, a kayak, and a shared love of open water. What started as one volunteer supporting another grew into a friendship, coaching partnership, and eventually Swim Open Waters. Along the way, marathon swims, fueling research, stroke analysis, and a relentless curiosity shaped the approach we now share with every swimmer we coach.

Marathon swimming is not just about getting to the other side. It is about preparing for the journey physically, mentally, and experientially. In this personal story, coach Sidney Russell shares how overtraining for her Catalina Channel swim changed the way she approaches marathon swimming and why every training plan should be built around the individual, not a template.

I swam the hardest swim of my life, and I did not finish. This is the story of my Lake Tahoe double crossing attempt, the four hours that changed everything, and the hardest decision I've ever made. It's about learning the difference between pushing through pain and trusting your body, and why sometimes the strongest choice isn't the one anyone else expects.

Marathon swimming presents nutrition challenges unlike any other endurance sport, yet research remains surprisingly limited. After experiencing serious gastrointestinal issues during two marathon swims, I set out to understand why. This article explores what makes marathon swim fueling unique, why so many swimmers struggle, and how the Marathon Swim Fueling Registry aims to help build better answers through shared community experience.