If you're looking to measure the relative strength of an athlete regardless of their weight class, you can incorporate a Wilks or Sinclair coefficient to your lifting events.
To enable this feature,
Create workout with a scoring type of For Weight: Heaviest is Best
Select your coefficient formula: Wilks 2020 or Sinclair 2020
When entering scores, you will be asked for 2 data points:
The input will be based on the unit of measure you set. The system will convert the values to the respective formula to generate the correct output based on the athletes gender.