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What is the Acute and Chronic Load Feature of My Garmin Device?
What is Acute Training Load?
Acute load is a weighted sum of your excess post-exercise oxygen consumption (EPOC) for the last several days. It helps to quantify your activities and the amount of strain placed on your body. The gauge indicates whether your current load is low, optimal, high, or very high. The optimal range is based on your individual fitness level and training history. The range adjusts as your training time and intensity increase or decrease.
Being able to see the load from all of your activities in one place can help make sure you are active enough and challenging yourself. Acute load will measure the combined stress on your body from your activities over the last seven days and assign a numeric score based on your Exercise Load scores, and status of your current load.
NOTE: Acute load is formulaically a weighted sum of all training from the past week. It is not possible to arrive at the value simply by adding the load measurement in your recent activities.
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For more information, see our Garmin Technology page: Understanding Training Load on Your Garmin Device.
What is Chronic Training Load?
Chronic training load provides longer term information on your training load history over the past 28 days. You are also provided with the Acute: Chronic Workload Ratio (ACWR). This information can indicate when you are in a well-prepared state, or at an increased risk of injury. To determine your load ratio, simply divide your acute training load over your chronic training load. Monitoring your acute vs chronic training load over time helps you to assess whether increases in training load are introduced safely and effectively.
Where Can I See My Acute and Chronic Training Load?
Acute and chronic training load information is available to view on your watch in the Training Status widget glance. To learn how to add widget glances search “Customizing the Glance Loop” in your owner's manual.
You can also view your training load data through the Garmin Connect™ platform. Select your preferred platform to view steps for viewing your acute and chronic training load data.
Open the Garmin Connect app.
Select More (lower right).
Select Performance Stats.
Select Training Status.
Select Load.
Select the Training Load tab.
Select the option you want to see:
Acute Load tab - Shows your current acute training load, your 4-week acute training load history, and your optimal range.
Chronic Load button - Overlays your chronic load on your acute load graph.
Load Ratio tab - Shows your current load ratio, current acute and chronic loads, and 4-week load ratio including your optimal range.
You can drag your finger along any of the graphs to get more information about specific days.
Sign in to the Garmin Connect website from a web browser.
Select Reports from the left sidebar.
Select Training Status from the All Activities section.
Scroll to view the Acute Training Load graph.
Click the Chronic Load button to view chronic load information.
Click the dropdown on the graph title to switch to the Load Ratio graph.
You can hover your mouse over the graph to get more information about specific days.