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

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Kazuhiro Nakajima

Men · Asia

Also seen as: Nakajima, Kazuhiro

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1134470• new
OverallMen1134464• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 3 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

(race) · · ?mi counts toward rating
place 106 · 1d 09:32:47 · difficulty ? · field ? · quality 0.50
123
(race) · · ?mi counts toward rating
place 154 · 1d 10:58:13 · difficulty ? · field ? · quality 0.47
114
(race) · · ?mi
place 10 · 1d 10:25:00 · difficulty ? · field ? · quality 0.69
167
(race) · · ?mi counts toward rating
place 9 · 1d 08:21:00 · difficulty ? · field ? · quality 0.76
185