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

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Nobuyasu Iwakiri

Men · Asia · b. 1966 (60-69) · provisional rating

Also seen as: Iwakiri, Nobuyasu

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen955132• new
OverallMen955126• 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 82 · 1d 09:13:52 · difficulty ? · field ? · quality 0.41
140
(race) · · ?mi counts toward rating
place 198 · 1d 11:14:46 · difficulty ? · field ? · quality 0.41
139