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

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Naotaka Ibi

Men · Asia · b. 1957 (60-69) · provisional rating

Also seen as: Ibi, Naotaka

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen776338• new
OverallMen776331• 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
place 9 · 2d 08:49:24 · difficulty ? · field ? · quality 0.60
146
(race) · · ?mi counts toward rating
place 17 · 2d 10:34:41 · difficulty ? · field ? · quality 0.62
154
(race) · · ?mi counts toward rating
place 16 · 2d 10:26:26 · difficulty ? · field ? · quality 0.64
155
(race) · · ?mi
place 23 · 1d 09:21:55 · difficulty ? · field ? · quality 0.61
148
(race) · · ?mi
place 16 · 1d 10:00:22 · difficulty ? · field ? · quality 0.59
142
(race) · · ?mi counts toward rating
place 11 · 1d 12:11:59 · difficulty ? · field ? · quality 0.62
151