Potência Stryd (Watts)

P = (Velocidade × Gradiente + G×Velocidade) / Efficiency.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

Watts
9

Formula

(v×grad+9.81×v)×eff%

About this calculator

The Stryd Power calculator in Watts is an essential tool for runners seeking to optimize their performance. It calculates the power generated during running, considering factors such as speed, terrain gradient, and runner efficiency. The formula used is P = (Speed × Gradient + G×Speed) / Efficiency, where G is the acceleration due to gravity (9.81 m/s²) and Efficiency is the runner's efficiency, usually expressed as a percentage.

Stryd power is an important measure for runners, as it helps understand the amount of energy required to maintain a certain speed on different terrains. This is particularly useful for training on inclined terrains or for runners seeking to improve their energy efficiency. By using this calculator, runners can adjust their training and improve their performance.

When using the Stryd Power calculator, it's essential to keep in mind some precautions. The runner's efficiency can vary depending on factors such as physical conditioning, footwear type, and running technique. Additionally, the measurement of speed and terrain gradient must be accurate to ensure reliable results. With these considerations in mind, the Stryd Power calculator can be a valuable tool for runners seeking to improve their performance.

In real cases, the Stryd Power calculator can be used to compare the performance of runners on different terrains or to monitor a runner's progress over time. For example, a runner can use the calculator to compare their power in a flat terrain run versus an inclined terrain run. This can help identify areas for improvement and adjust training effectively.

Frequently asked questions

What is Stryd power and how is it calculated?

Stryd power is a measure of the energy required to maintain a certain speed during running. It is calculated using the formula P = (Speed × Gradient + G×Speed) / Efficiency, where G is the acceleration due to gravity and Efficiency is the runner's efficiency.

Why is runner efficiency important in calculating Stryd power?

Runner efficiency is important because it affects the amount of energy required to maintain a certain speed. More efficient runners need less energy to run the same distance.

How can I use the Stryd Power calculator to improve my performance?

You can use the Stryd Power calculator to compare your performance on different terrains or to monitor your progress over time. This can help identify areas for improvement and adjust your training effectively.

What precautions should I take when using the Stryd Power calculator?

It's essential to keep in mind that runner efficiency can vary depending on factors such as physical conditioning, footwear type, and running technique. Additionally, accurate measurement of speed and terrain gradient is crucial to ensure reliable results.

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