Jack Amster — Clock (WCA) results & prs
Results & PRs for Jack Amster's official Clock (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Jack Amster — Clock (WCA)
Every number on this screen is Jack Amster's Clock (WCA) results only — no other competitor or event is mixed in.
Jack Amster 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
Jack Amster · Clock (WCA)
PBs, PR progression and PR pace
Jack Amster has 2 recorded Clock PRs on the board.
PB singlelower is better
40.14
Cubing by the Kings OH 2025
PB averagelower is better
—
Total event PRs
2
Single vs average PRs
2 / 0
single PRs / average PRs
Avg days between PRslower is better
15
Longest gap
15d
2025-08-09 → 2025-08-24
How close to peak?lower is better
—
100% = PB-average pace
Recent PR pace
0 / 12mo
2 in the 12 months before
PR progression over time