Johnson Power Rankings
The world authority on 200+ mile ultramarathon running — weekly, data-driven, course-difficulty-adjusted.

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Chor-Kin Law

Men · Asia · b. 1977 (40-49)

Also seen as: Law, Chor-Kin

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1254125• new
OverallMen1264095• new
Multi-day / TimedMen5135• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 2 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

Route 68 Challenge 400km · Feb 18, 2025 · 248.55mi continuouscounts toward rating
place 2 · 3d 07:08:54 · difficulty 1.07 · field 0.40 · quality 0.71
309
(race) · · ?mi counts toward rating
place 14 · · difficulty ? · field ? · quality 0.67
54
(race) · · ?mi
place 17 · · difficulty ? · field ? · quality 0.34
27
(race) · · ?mi
place 6 · 2d 11:49:00 · difficulty ? · field ? · quality 0.71
527