Fueling is the fourth discipline in long distance triathlon. Nailing my fueling strategy is key for my performance. Precision Fuel & Hydration got me on this so I can focus on pushing the pace both in training and racing.
Katrine Græsbøll Christensen
Pro Triathlete
Katrine is a Danish middle- and long-distance triathlete.
She started triathlon in 2022 and has been racing as a pro since 2023. She then enjoyed a breakthrough season in 2025, winning her first IRONMAN® and IRONMAN 70.3® races before finishing 11th at the IRONMAN® World Championship.
She joind the Precision Fuel & Hydration team in 2026 after many years of using PH 1000 electrolytes for racing and training.
Katrine is a former professional sprint kayaker and Biomedical Engineer specialising in sleep science. She lives in Denmark with her husband and daughter, and enjoys farming and cooking away from triathlon.
Fueling is the fourth discipline in long distance triathlon. Nailing my fueling strategy is key for my performance. Precision Fuel & Hydration got me on this so I can focus on pushing the pace both in training and racing.
Notable Achievements
| 2025 | 1st at IRONMAN® Kalmar |
| 2025 | 3rd at IRONMAN® South Africa |
| 2025 | 1st at IRONMAN 70.3® Krakow |
| 2025 | 11th at IRONMAN® World Championship |
| 2025 | 15th at IRONMAN 70.3® World Championship |
Key Stats
| IRONMAN® | 8:27:49 |
Katrine's Top Tips
Make sure to train with the electrolyte and carb products you plan to use on race dayAlways bring extra carbs with you on your rides and long runsPreloading with electrolytes is essential before hot races