What Ozempic and GLP-1 Drugs Do to Your Triathlon Performance

What Ozempic and GLP-1 Drugs Do to Your Triathlon Performance

May 14, 2026 · 17 min · Episode 241

About this episode

This episode discusses the impact of GLP-1 medications on triathlon performance and the associated risks and nutrition strategies for athletes.

GLP-1 medications like Ozempic, Wegovy and Mounjaro are now firmly inside the triathlon conversation. Athletes are seeing dramatic weight loss results and wondering whether these drugs could help them perform better too. But what actually happens when you combine appetite-suppressing medications with the demands of swimming, riding and running for hours every week? In this episode, Advanced Sports Dietitian Taryn Richardson breaks down the science and practical realities of GLP-1 medications for endurance athletes. From muscle loss and gut issues to RED-S and race day fuelling disasters, this is the conversation triathletes need to hear before considering these medications. In this episode, you’ll learn: What GLP-1 medications actually do in the body Why delayed gastric emptying can become a major issue for endurance athletes The surprising amount of muscle mass that can be lost during rapid weight loss How GLP-1 medications may increase the risk of RED-S in triathletes Why hunger and thirst cues become unreliable on these medications The key nutrition strategies to protect your performance if you’re taking a GLP-1 How protein and resistance training can help preserve…

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