Navigate to the Adjustments + Info Tab
Open the Adjustments + Info tab in the app.

Find the Benchmark Section
Locate the section showing your current benchmark exercise.

Select Your Current Benchmark
Tap on the displayed benchmark exercise to open a selection menu.

Choose a New Benchmark Exercise
Browse and select the exercise you want to set as the new benchmark.

Save and Confirm
Tap the checkmark (✓) button to save your changes and return to the Adjustments + Info tab.