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

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Masatoshi Sumioka

Men · Asia · b. 1965 (60-69)

Also seen as: Sumioka, Masatoshi

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen2222490• new
OverallMen2222490• 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)

River Road Foot Race 514km · Apr 30, 2025 · 320.63mi continuouscounts toward rating
place 8 · 4d 07:00:33 · difficulty 1.14 · field 0.43 · quality 0.72
349
River Road Foot Race 514km · Apr 30, 2024 · 319.38mi continuouscounts toward rating
place 15 · 4d 12:16:48 · difficulty 1.14 · field 0.42 · quality 0.69
330
River Road Foot Race 514km · Apr 30, 2023 · 318.76mi continuous
place 11 · 4d 13:24:32 · difficulty 1.14 · field 0.42 · quality 0.52
247
River Road Foot Race 514km · Apr 30, 2022 · 318.76mi continuous
place 34 · 5d 03:49:50 · difficulty 1.14 · field 0.41 · quality 0.42
200
(race) · · ?mi
place 8 · 1d 07:35:34 · difficulty ? · field ? · quality 0.76
193
(race) · · ?mi
place 23 · 1d 10:41:12 · difficulty ? · field ? · quality 0.63
155
(race) · · ?mi counts toward rating
place 24 · 1d 08:56:18 · difficulty ? · field ? · quality 0.66
162
(race) · · ?mi
place 31 · 1d 23:54:06 · difficulty ? · field ? · quality 0.59
148
(race) · · ?mi
place 30 · 2d 01:10:55 · difficulty ? · field ? · quality 0.57
141
(race) · · ?mi
place 20 · 1d 21:44:05 · difficulty ? · field ? · quality 0.55
136