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

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Soon-Seng Seng

Men · MAS · b. 1977 (40-49) · provisional rating

Also seen as: Seng, Soon-Seng

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen3810356• new
OverallMen3810779• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 1 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

Summer Spine Race · Jun 18, 2023 · 268mi continuouscounts toward rating
place 15 · 5d 06:52:16 · difficulty 1.09 · field 0.62 · quality 0.41
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