If you're racing an Ironman this season and you don’t want to be disqualified, I’m sharing some crucial information you need to know. As of 17th of March, the Ironman rules have changed which means that your current hydration set up may now be illegal.

Ironman has introduced new race regulations that limit how much fluid you can carry and trust me, you don't want to be caught off guard by these changes. 

Nobody has time to read the massive 34-page document outlining the new guidelines so today I’m breaking down exactly what the new rules mean for you. I’m sharing ways to tweak your hydration strategy and how to avoid penalties while still staying properly hydrated and fuelled for peak performance.

Why the New Hydration Rules?

The new limits on how much and where you can carry fluids on your bike are grounded in safety concerns. Excess weight, especially up front, can mess with your bike handling. So, by standardising hydration setups, Ironman aims to promote fair play and improve rider safety.

Here are the three main updates you need to know:

1. Front Mounted Hydration: Your tri bars or handlebar setups can carry a maximum of two litres (67.6 fluid ounces). This is a cap, not necessarily a goal. 
2. Rear Mounted Hydration: Similarly, you can have two litres at the back, but you mustn't exceed two bottles, each capped at one litre.
3. Frame Triangle Storage: Any fluid stored inside the bike frame or between your legs doesn't count towards this limit. This is where you can get innovative to cater to your unique hydration needs.

 

The Impact on Your Race Strategy

For any triathlete, these changes present a challenge, especially if you’re accustomed to carrying more fluid. Here’s how you can navigate the new landscape:

- Plan Your Aid Station Strategy: Prepare to depend more on aid stations. Plan your stops meticulously to swap bottles smartly, making sure you meet your hydration needs without exceeding new limits.

- Reassess Your Kit: Consider on-frame setups to balance weight distribution and compliance with the new rules. Modern TT bikes often feature integrated hydration reservoirs, which can be a game-changer.

- Tweak Your Hydration Needs: As you adjust your fluid intake plan, practice in training sessions to avoid surprises on race day. Never try something new on race day. 

There is so much to consider when it comes to your bike nutrition, particularly the logistics of how to carry everything you need for your hydration and fuel. The most important thing is to be prepared. Have a solid strategy and get everything optimised so that you can fuel smart, ride strong and set yourself up for a killer run. 

 

RESOURCES MENTIONED:

Triathlon Bike Fuel Masterclass

New Ironman race rules effective from 17th March

LINKS:

Join the Triathlon Nutrition Academy: www.dietitianapproved.com/academy 

Support the TNA Podcast: https://www.dietitianapproved.com/legend

Check how well you’re doing when it comes to your nutrition with our 50 step checklist to Triathlon Nutrition Mastery: dietitianapproved.com/checklist

 

Start working on your nutrition now with my Triathlon Nutrition Kickstart course: dietitianapproved.com/kickstart

It’s for you if you’re a triathlete and you feel like you’ve got your training under control and you’re ready to layer in your nutrition. It's your warmup on the path to becoming a SUPERCHARGED triathlete – woohoo!

 

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