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

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Akitaka Hirai

Men · Asia

Also seen as: Hirai, Akitaka

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen935254• new
OverallMen935249• 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
place 119 · 1d 09:12:34 · difficulty ? · field ? · quality 0.53
128
(race) · · ?mi counts toward rating
place 120 · 1d 10:06:10 · difficulty ? · field ? · quality 0.49
119
(race) · · ?mi counts toward rating
place 137 · 1d 09:29:08 · difficulty ? · field ? · quality 0.49
120