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

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Kiyoyuki Ishii

Men · Asia · b. 1969 (50-59) · provisional rating

Also seen as: Ishii, Kiyoyuki

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen736682• new
OverallMen736674• 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
place 74 · 1d 07:38:16 · difficulty ? · field ? · quality 0.42
102
(race) · · ?mi
place 71 · 1d 07:40:16 · difficulty ? · field ? · quality 0.57
140
(race) · · ?mi counts toward rating
place 83 · 1d 08:29:31 · difficulty ? · field ? · quality 0.53
130