Our swimming industry partners are an integral part of the UltraSwim 33.3 experience. We collaborate with leading brands and organisations across equipment, nutrition, technology, hospitality, media, and local destinations, all united by a shared passion for inspiring adventure, promoting sustainability, and delivering world-class experiences on and off the water.
Partners
At UltraSwim 33.3, we are proud to work with a carefully selected group of sponsors and partners who share our passion for adventure, innovation, and exceptional athlete experiences. Together, they help us deliver world-class events that are safe, sustainable, and unforgettable.
Our partners provide the products, expertise, and services that support every stage of the UltraSwim 33.3 journey. From performance swimwear, goggles, changing robes, and nutrition to accommodation, technology, and destination support, each partnership has been chosen to enhance the experience for our swimmers both in and out of the water.
We value long-term relationships built on trust, collaboration, and shared values. By working together, we continue to grow the UltraSwim 33.3 community while inspiring more people to embrace the challenge and adventure of open water swimming.
Precision Fuel & Hydration
OFFICIAL FUEL AND HYDRATION
Our partnership with Precision Fuel & Hydration (PF&H) is built around a shared commitment to helping endurance athletes perform at their best. As UltraSwim 33.3’s Official Fuel & Hydration Partner, PF&H provides our swimmers with science-led nutrition expertise, high-performance fuelling and hydration products, and practical guidance designed specifically for the unique demands of four consecutive days of open-water swimming. From event-day feed stations supplying gels, chews, electrolytes and drinks, to educational content and 1:1 nutrition consultations, PF&H is an integral part of the UltraSwim 33.3 experience. Together, we combine world-class endurance nutrition with one of the most demanding challenges in open-water swimming, giving every swimmer the knowledge, tools and confidence to fuel their journey from the start line to the finish. See more HERE
Red equiptment
OFFICIAL CHANGING ROBE
Our partnership with RED Equipment is built around a shared passion for adventure, the outdoors and helping people make the most of every challenge. As UltraSwim 33.3’s Official Changing Robe Partner, RED provides our swimmers with high-quality, practical kit designed to keep them warm and comfortable before and after each swim. Their iconic changing robes have become an important part of the UltraSwim 33.3 experience, helping swimmers transition from the water to recovery with ease. The partnership brings together two brands that champion adventure, community and getting outside, with RED supporting our swimmers through every stage of their four-day open-water journey. See more HERE
The magig5
OFFICIAL GOGGLE SUPPLIER
Our partnership with TheMagic5 brings together two brands united by a passion for performance, innovation and helping athletes get the most from every swim. As UltraSwim 33.3’s Official Goggle Partner, TheMagic5 provides swimmers with premium, individually fitted goggles designed around the unique shape of each athlete’s face. This personalised approach delivers exceptional comfort, clarity and confidence in the water — all essential when taking on 33.3km over four consecutive days. Through the partnership, UltraSwim 33.3 swimmers have access to innovative eyewear technology that is designed to perform from the first kilometre to the final finish. See more HERE
deboer wetsuits
OFFICIAL WETSUIT SUPPLIER
As UltraSwim 33.3’s Official Wetsuit Partner, Deboer provides high-performance wetsuits designed specifically for endurance athletes, combining advanced materials, hydrodynamic design and exceptional flexibility. Their expertise helps our swimmers feel confident and comfortable in the water, whether they are tackling their first UltraSwim 33.3 or returning to push their limits. Together, UltraSwim 33.3 and Deboer share a passion for elevating the open-water experience and supporting swimmers as they take on the ultimate four-day challenge. See more HERE
outdoor swimmer
OFFICIAL MEDIA PARTNER
Our partnership with Outdoor Swimmer reflects a shared passion for open-water swimming and the community that surrounds it. As a leading voice in the world of outdoor swimming, Outdoor Swimmer helps inspire, educate and connect swimmers of all abilities, from those taking their first steps into open water to experienced athletes looking for their next challenge. Through our partnership, we are able to share the UltraSwim 33.3 experience with a wider swimming community, showcasing the adventure, camaraderie and personal achievement at the heart of taking on 33.3km over four days. See more HERE
Our swimmers are extraordinary people. They are ambitious, determined, and fiercely loyal to the brands that support their passion. Get in touch to explore how a UltraSwim 33.3 partnership can connect your brand with this remarkable global community.
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