Other than the GHR, nothing else builds the hamstrings better than Romanian Deadlifts. Try out these variations, and you’ll see a difference in those hammies.
There’s an assumption (known or unknown) that everyone has the proficiency to perform what we see “if we just lower the weight.” That’s quite the caveat with a lot of assumption, especially when it comes to movements like the Romanian Deadlift.
The more advanced you are, the longer the stretches between records become. If you’re in that position (trust me, I’ve been there before), consider doing some supplemental exercises. The ones listed here will help boost your sumo deadlift.
If you want to get strong as hell, you’d better not overlook unilateral (single limb) strength training. These exercises offer the perfect complement to your bilateral (double leg/arm ) movements to help keep your strength gains plentiful.