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

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Chizuru Inoue

Women · · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen1,113106• new
OverallWomen1,113106• 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)

Bigfoot 200 Endurance Run · Aug 8, 2025 · 200mi continuouscounts toward rating
place 75 · 3d 12:46:06 · difficulty 2.65 · field 2.50 · quality 0.32
2,125
Bigfoot 200 Endurance Run · Aug 9, 2024 · 200mi continuouscounts toward rating
place 56 · 3d 05:51:40 · difficulty 2.65 · field 1.90 · quality 0.37
1,871