Having access to the best products on the market and the best sport science team has really taught me how to properly fuel my training and racing.
Lizzie Rayner
Pro triathlete
Lizzie has focused on middle distance racing since she turned pro in 2022.
Based in the South West of the UK, Lizzie has picked up some hugely impressive results, including back-to-back victories at IRONMAN 70.3® Portugal-Cascais in 2024 and 2025, as well as a top-10 at the Precision Fuel & Hydration IRONMAN 70.3® World Championship in Marbella in 2025.
She originally discovered Precision Fuel & Hydration through her team, T3 Triathlon, headed up by Mark Threlfall, and officially joined the PF&H squad in 2023. Her favourite products are the PF 30 Chews, PF 30 Gels, PF 90 Gels, Carb Only Drink Mix and PH 1000 electrolytes.
Having access to the best products on the market and the best sport science team has really taught me how to properly fuel my training and racing.
Lizzie's recent case studies
Notable Achievements
| 2025 | 8th at PF&H IRONMAN 70.3® World Champs |
| 2025 | 1st at IRONMAN 70.3® Portugal |
| 2024 | 3rd at IRONMAN 70.3® Swansea |
| 2024 | 1st at IRONMAN 70.3® Portugal |
| 2024 | 16th at IRONMAN 70.3® World Champs |
| 2023 | 2nd at Challenge Wales |
| 2023 | 2nd at IRONMAN 70.3® Belgium |
Key Stats
| IRONMAN 70.3® | 4:13:19 |
| 5k | 17:49 |
| 10k | 37:07 |
| Half marathon | 1:20:24 |
Lizzie's Top Tips
Preloading with PH 1500 the day before and the morning of the race is really important Train your gut to tolerate the quantity of nutrition you need to consume on race day'Front load' your nutrition on the bike so you don't have to consume as much when running