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

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Rieko Ito

Women · Asia · b. 1981 (40-49) · provisional rating

Also seen as: Ito, Rieko

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen1241011• new
OverallWomen1241011• 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 counts toward rating
place 11 · 1d 10:59:09 · difficulty ? · field ? · quality 0.71
185
(race) · · ?mi counts toward rating
place 9 · 1d 09:36:32 · difficulty ? · field ? · quality 0.76
193
(race) · · ?mi
place 36 · 1d 05:40:20 · difficulty ? · field ? · quality 0.47
114
(race) · · ?mi
place 12 · 1d 02:36:56 · difficulty ? · field ? · quality 0.78
191
(race) · · ?mi counts toward rating
place 12 · 1d 17:54:54 · difficulty ? · field ? · quality 0.62
154