Jack Larsson Backsell — 4x4x4 Cube (WCA) results & prs
Results & PRs for Jack Larsson Backsell's official 4x4x4 Cube (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Jack Larsson Backsell — 4x4x4 Cube (WCA)
Every number on this screen is Jack Larsson Backsell's 4x4x4 Cube (WCA) results only — no other competitor or event is mixed in.
Jack Larsson Backsell has no 4x4x4 Cube rating yet. Ratings are seeded from WCA world rankings and then move with every club challenge. See the 4x4x4 Cube board
Results & PRs
Jack Larsson Backsell · 4x4x4 Cube (WCA)
PBs, PR progression and PR pace
Jack Larsson Backsell's 4x4x4 Cube PB average is 27.39, set at Rubik's WCA World Championship 2025, after 30 PRs in this event — and typically competes within 7% of the PB average held walking in.
PB singlelower is better
23.20
Porfyrkuben 2026
PB averagelower is better
27.39
Rubik's WCA World Championship 2025
Total event PRs
30
Single vs average PRs
16 / 14
single PRs / average PRs
Avg days between PRslower is better
105
Longest gap
273d
2023-12-08 → 2024-09-06
How close to peak?lower is better
107.1%
85% of comps within 10% of PB pace
Recent PR pace
1 / 12mo
4 in the 12 months before
PR progression over time
How close to peak?
100% means solving exactly at PB-average pace — almost nobody lives there. Green is within 10% of PB or better; the dashed line at 108% is this cuber's own typical pace.