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

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Ryosuke Shirasaki

Men · Asia · b. 1980 (40-49) · provisional rating

Also seen as: Shirasaki, Ryosuke

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen875522• new
OverallMen875516• 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)

(race) · · ?mi counts toward rating
place 50 · 1d 06:52:03 · difficulty ? · field ? · quality 0.58
142
(race) · · ?mi counts toward rating
place 44 · 1d 14:49:27 · difficulty ? · field ? · quality 0.51
126