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How to Train and Perform with Type 1 Diabetes: What Every Triathlete Needs to Know

Nov 21, 2025

Training with Type 1 Diabetes? Here's What You Need to Know

For triathletes living with type 1 diabetes (T1D), training isn’t just about nailing swim-bike-run. There’s a fourth leg that adds another layer of complexity: glucose management.

This blog dives into key takeaways from Episode 216 of the Triathlon Nutrition Academy podcast, where Dr Sam Scott – exercise physiologist, researcher and ex-Head of Research for Team Novo Nordisk – shares practical, science-backed insights to help athletes with T1D stay active, stay safe and perform at their best.

Why exercise with T1D is a unique challenge

"Exercise is one of the best things we can do for our health, but for people living with type 1 diabetes, it adds an extra layer of planning and complexity."

If you're an endurance athlete with T1D, you're managing much more than your training program:

  • Timing of insulin and meals
  • Impact of exercise type, intensity and duration on blood glucose
  • Heat, altitude and hormonal fluctuations
  • C...
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