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Isaac Rafferty Summerfield — Clock (WCA) results & prs
Results & PRs for Isaac Rafferty Summerfield's official Clock (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Isaac Rafferty Summerfield — Clock (WCA)
Every number on this screen is Isaac Rafferty Summerfield's Clock (WCA) results only — no other competitor or event is mixed in.
Isaac Rafferty Summerfield 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
Isaac Rafferty Summerfield · Clock (WCA)
PBs, PR progression and PR pace
Isaac Rafferty Summerfield's Clock PB average is 19.67, set at Grantham Autumn 2026, after 5 PRs in this event — and typically competes within 0% of the PB average held walking in.
PB singlelower is better
15.76
Grantham Autumn 2026
PB averagelower is better
19.67
Grantham Autumn 2026
Total event PRs
5
Single vs average PRs
2 / 3
single PRs / average PRs
Avg days between PRslower is better
84
Longest gap
84d
2026-07-25 → 2026-10-17
How close to peak?lower is better
78.8%
100% of comps within 10% of PB pace
Recent PR pace
5 / 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 83% is this cuber's own typical pace.