Once the athlete is ready to start running again, you can perform a quick load screening test in the OnTracx Lab (part of the PRO platform). The test only takes a few minutes and benchmarks the athlete into a high, average, or low load profile, based on research by Doyle and colleagues.
A screening test can be performed both on a treadmill or overground.
In the PRO platform, click the OnTracx Lab symbol on the left.
You’ll be redirected to the Lab environment.
Under Screening Test, click Start test.
Enter the required personal information.
Lace up the athlete with the OnTracx sensor and connect the sensor with the OnTracx app to view real-time load data:
Option 1: Save to the athlete’s profile
Log in to the app using the athlete’s account.
The load data during the session will be saved as a regular run and automatically linked to that athlete in your Pro Dashboard.
Option 2: Save to a dedicated testing account
Log in using a testing account created for your practice.
All load data from screenings will be saved under this account and can also be linked to your Pro Dashboard.
If you don’t want to save the data:
Choose the option to use the app without an account.
Let the athlete run at different speeds (at least one minute each).
For each speed, record:
Running speed
Measured load
Cadence
Click Add data point (we recommend using data from the last 10 seconds of each interval).
Click Process data
ℹ️ With our upcoming fall update, you’ll no longer need to measure real-time load through the app. Instead, you’ll be able to connect the sensor directly within the Lab module, and load data will sync automatically.
The screening report will also be automatically linked to the athlete or patient in your Pro environment — making the entire workflow seamless and efficient.
Once finished, the Load Analysis at the bottom of the page shows how many speeds the athlete fell into low, average, or high load zones.
Research shows load generally increases with speed—but how this happens varies per athlete:
Some athletes show a linear increase (load rises steadily with speed).
Others show a breakpoint effect, where load rises exponentially after a certain speed.
Identifying this speed-load breakpoint is crucial:
Running above it may cause disproportionately high loads.
Staying below it supports safer progression during rehab.
You can generate a report in pdf or as raw data to integrate in your own template and share it with the athlete.
✅ This quick test helps you benchmark safely before progressing further in return-to-run.