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Performance Tools Designed by Experts. Built for You

Unlock your potential with our Nutrition, Hydration, and Critical Power Tools — developed by our in-house sports scientist and rigorously modelled to provide highly individualised recommendations based on your data, physiology, and goals.

1. Nutrition and Hydration Planner

Whether you're training, racing, or recovering, this tool gives you science-backed daily and workout-specific nutrition guidance tailored to your individual needs.

 

You’ll receive personalised targets for:

Daily Intake

  • Carbohydrate and protein ranges to support consistent energy and recovery

Pre-Training Fueling

  • Exact carbohydrate targets based on session type

  • Caffeine guidelines to enhance performance (if suitable)

  • Hydration volume and timing recommendations

In-Training Strategy

  • Fuelling ranges based on intensity and duration

  • Hydration guidance by hour

  • Electrolyte needs depending on climate and sweat loss

Post-Training Recovery

  • Carbohydrate and protein targets to accelerate recovery

  • Fluid replacement volumes within the critical post-training window

 

Example output

  • Carbohydrates: 375 to 600 g per day

  • Protein: 120 to 165 g per day

  • Pre-training: 56 to 75 g carbohydrates, 225 to 450 mg caffeine (optional)

  • Hydration: 375 mL before, 360 mL per hour during, 540 mL after

  • Sodium: 300 to 500 mg per hour based on session and environment

  • Recovery: 38 g carbohydrate, 20 to 40 g protein within 60 minutes

 

Includes guidance on food types, digestion rates, and how to adapt fueling based on session intensity, temperature, and altitude.

 

2. Critical Power Calculator

This tool predicts your sustainable power output across different durations using just two known efforts (for example, 5 and 20 minutes). It builds a personal critical power curve to help you understand where your strengths lie and how to pace more effectively.

Ideal for:

  • Time trial and race pacing

  • KOM or QOM attempts

  • Understanding performance limits across durations

  • Identifying whether your strengths lie in short, punchy efforts or longer sustained efforts

 

The output includes a full curve showing predicted wattage at durations like 1, 5, 20, and 60 minutes. Perfect for setting benchmarks and guiding your training strategy.

 

Science meets simplicity. These tools are designed to give you clarity and confidence in your training and racing — without the guesswork.

 

Add to cart and get instant access.

DUCHY NUTRITION, HYDRATION & CP CALCULATORS

£12.00Price
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