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

← Rankings

Shigeru Adachi

Men · Asia · b. 1983 (40-49)

Also seen as: Adachi, Shigeru

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1972770• new
OverallMen1972767• 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)

Okinawa Hontō survival run · Nov 21, 2025 · 248.55mi continuouscounts toward rating
place 10 · 3d 02:45:19 · difficulty 1.07 · field 0.52 · quality 0.72
402
Shiga 1 Round Trail · Apr 30, 2022 · 272.16mi continuous
place 29 · 7d 21:50:42 · difficulty 1.10 · field 0.46 · quality 0.47
234
(race) · · ?mi counts toward rating
place 7 · 2d 05:59:37 · difficulty ? · field ? · quality 0.74
179