I already made a thread about this, but only specifically for clock. Here are what I think are record barriers that will be broken in 10 years:
3x3: Single: Low-2
Average: Mid-3
2x2: Single: Low sub-1
Average: Mid-High-1
4x4: Single: Mid-Sub-12
Average: High-16
5x5: Single: High-Sub-30
Average...