
HYROX, Hybrid Athletes and the Nutrition Mistakes Costing You the Race – With Dr Kelsie Johnson
From Simon Ward, Be Battle Ready - The podcast for strength, resilience, and longevity by Simon Ward
May 20, 2026 · 1h 15m · Episode 474
About this episode
Dr Kelsie Johnson discusses nutrition strategies for hybrid athletes competing in HYROX and triathlon.
Thinking about adding HYROX to your training? Or already racing and wondering why your nutrition isn't translating into performance? Dr Kelsie Johnson is a nutrition and performance coach who works with hybrid athletes: people combining serious strength work with endurance sport. With a PhD in nutrition and muscle mass, experience as an S&C coach at Aston Villa Women's, and a background in triathlon and HYROX herself, Kelsie brings both the science and the real-world application. In this episode we dig into what hybrid training actually looks like in practice, why carbohydrate periodisation is the biggest gap she sees in athletes, how to fuel for a HYROX race depending on your start time, and why doing both triathlon and HYROX in the same block is a recipe for burnout. If you've been guessing with your nutrition and hoping for the best — this one's for you. 5 KEY POINTS Don't run HYROX and triathlon simultaneously — use HYROX as your off-season focus instead. Carbs, not protein, are the missing link — most athletes have protein nailed but aren't periodizing their carbohydrate intake around session demands. HYROX is 60–70% running at high intensity — fuelling during the race…
People in this episode
Host: Simon Ward
Guest: Dr Kelsie Johnson
Topics covered
- HYROX
- nutrition
- hybrid athletes
- performance coaching
- carbohydrate periodisation
Keywords
- HYROX
- nutrition
- hybrid athletes
- carbohydrate periodisation
- performance coaching
Mentioned in this episode
Organizations: Aston Villa Women's
More episodes of Simon Ward, Be Battle Ready - The podcast for strength, resilience, and longevity
- Why Training More Is Making You Slower (And What To Do About It) · June 10, 2026 · 27 min
- What If Nobody's Actually Clean? - With James Witts · June 3, 2026 · 1h 10m
- Your FTP Won't Save You at Mile 150 — With Dave Schell · May 27, 2026 · 1h 6m
- Carbon-Plated Running Shoes: Faster… But At What Cost? – With Physio Andy Smith · May 13, 2026 · 1h 0m
- Fit But Not Healthy? The Wake-Up Call That Changed Everything – Justin Robbins · May 6, 2026 · 1h 10m
- From 20-Year Break to Ironman World Champion – Jane Hansom’s Story · April 29, 2026 · 1h 15m
Explore listener stats, chart rankings, contacts and more on the Simon Ward, Be Battle Ready - The podcast for strength, resilience, and longevity podcast page.