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

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Tomohisa Koyama

Men · Asia · b. 1974 (50-59)

Also seen as: Koyama, Tomohisa

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1393825• new
OverallMen1234156• new
Multi-day / TimedMen33584• 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)

Reiheishi Michi Kyoto to Nikko 570km · Apr 28, 2022 · 354.18mi continuous
place 1 · 4d 12:30:00 · difficulty 1.17 · field 0.41 · quality 1.00
474
(race) · · ?mi counts toward rating
place 18 · 1d 07:46:38 · difficulty ? · field ? · quality 0.70
173
(race) · · ?mi
place 8 · 1d 01:37:24 · difficulty ? · field ? · quality 0.61
149
(race) · · ?mi
place 16 · 1d 18:25:43 · difficulty ? · field ? · quality 0.58
141
(race) · · ?mi counts toward rating
place 8 · 2d 06:52:56 · difficulty ? · field ? · quality 0.78
195
(race) · · ?mi
place 2 · · difficulty ? · field ? · quality 0.34
28
(race) · · ?mi counts toward rating
place 17 · · difficulty ? · field ? · quality 0.28
23