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Carlos Prieto and Karen Yau

Carlos Prieto and Karen Yau

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Aug 15, 2025

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Carlos Prieto is a dedicated Naval Officer with a distinguished 20-year career spanning both the U.S. Marines and the U.S. Navy. He is currently serving with Command Naval Forces Korea. Over the last five years, Carlos has delved deeply into the world of endurance sports, achieving impressive results that consistently place him in the top 10% of his age group. His commitment extends beyond mere participation. He is currently enhancing his expertise by pursuing a Master's Degree in Sport Science with a specialization in Human Performance. Carlos is also dedicating time to coaching. Guided by elite coaches from Elevate Performance Coaching in Singapore, Carlos is continually honing his skills and pushing the limits of what is achievable in the demanding field of endurance sports. He is currently preparing for the full-distance Ironman in Gurye, South Korea. A monumental challenge encompassing a 2.4-mile swim, a 112-mile bike ride, and a 26.2-mile marathon. He is supported by his loving wife. 


Karen Yau is a dedicated military spouse, who works full-time for JLL, a Global Corporate Real Estate Company. Karen enjoys traveling and competing internationally in a variety of sports. She has competed in various events including half and full Marathons, Gran Fondos, and four 70.3 Ironman Events, one of which took her to the Ironman 70.3 World Championships in Finland. She is currently taking her course in personal training, via the SECO program. 


Author’s Social Media


Insta: kyau22_tri


Insta: krltos_tri22



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