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

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Wai-Seng Wong

Men · MAS · b. 1993 (30-39) · provisional rating

Also seen as: Wong, Wai-Seng

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen845740• new
OverallMen697099• new
Multi-day / TimedMen35527• 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 14 · 4d 13:47:39 · difficulty 1.07 · field 0.40 · quality 0.40
171
(race) · · ?mi counts toward rating
place 9 · · difficulty ? · field ? · quality 0.15
12