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

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Kazutaka Ishio

Men · Asia · b. 1989 (30-39) · provisional rating

Also seen as: Ishio, Kazutaka

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen835782• new
OverallMen835773• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 1 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

TOR330 - Tor des Géants · Sep 10, 2023 · 205.05mi continuouscounts toward rating
place 44 · 4d 02:43:28 · difficulty 2.65 · field 0.69 · quality 0.49
907
Trans Japan Alps Race (TJAR) · Aug 11, 2022 · 257.87mi continuous
place 3 · 5d 17:51:00 · difficulty 2.80 · field 0.53 · quality 0.71
1,046