Lanshi Zhang (张岚石) — Clock (WCA) results & prs
Results & PRs for Lanshi Zhang (张岚石)'s official Clock (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Lanshi Zhang (张岚石) — Clock (WCA)
Every number on this screen is Lanshi Zhang (张岚石)'s Clock (WCA) results only — no other competitor or event is mixed in.
Lanshi Zhang (张岚石) has no Clock rating yet. Ratings are seeded from WCA world rankings and then move with every club challenge. See the Clock board
Results & PRs
Lanshi Zhang (张岚石) · Clock (WCA)
PBs, PR progression and PR pace
Lanshi Zhang (张岚石)'s Clock PB average is 7.72, set at Beijing Autumn Rivalry 2026, after 10 PRs in this event — and typically competes within 0% of the PB average held walking in.
PB singlelower is better
6.35
Beijing Autumn Rivalry 2026
PB averagelower is better
7.72
Beijing Autumn Rivalry 2026
Total event PRs
10
Single vs average PRs
6 / 4
single PRs / average PRs
Avg days between PRslower is better
1181
Longest gap
2604d
2013-10-27 → 2020-12-13
How close to peak?lower is better
69.8%
100% of comps within 10% of PB pace
Recent PR pace
3 / 12mo
0 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 85% is this cuber's own typical pace.