We want every UltraSwim 33.3 participant to be a winner and that's why we've teamed up with Precision Fuel & Hydration to provide our participants with the education, tools and products to help them perform at their best. With their guided expertise, you'll be better prepared to nail UltraSwim 33.3. With 4 consecutive days of endurance swimming, it’s a nutrition challenge even for the most experienced.

Precision Fuel & Hydration work with athletes across the spectrum, from pro golfers, Ironman athletes, marathon runners, surf-ski world champions to rally drivers. And now, they're bringing their experience to the new category of open-water swim. We're proud to be working with such a premium team, headed up by founder and sports and exercise scientist, Andy Blow.