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

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Ken Iida

Men · Asia · provisional rating

Also seen as: Iida, Ken

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen637830• new
OverallMen637817• 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)

(race) · · ?mi counts toward rating
place 210 · 22:52:59 · difficulty ? · field ? · quality 0.38
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