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

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Kengo Tanaka

Men · Asia · b. 1968 (50-59)

Also seen as: Tanaka, Kengo

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen2252456• new
OverallMen2252456• 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 35 · 5d 01:40:01 · difficulty 1.14 · field 0.43 · quality 0.53
259
Okinawa Hontō survival run · Nov 15, 2024 · 248.55mi continuouscounts toward rating
place 10 · 2d 23:24:43 · difficulty 1.07 · field 0.46 · quality 0.69
346
River Road Foot Race 514km · Apr 30, 2024 · 319.38mi continuous
place 47 · 5d 05:17:46 · difficulty 1.14 · field 0.42 · quality 0.53
254
Okinawa Hontō survival run · Nov 24, 2023 · 248.55mi continuous
place 16 · 2d 20:49:24 · difficulty 1.07 · field 0.43 · quality 0.60
280
River Road Foot Race 514km · Apr 30, 2023 · 318.76mi continuous
place 26 · 4d 22:50:12 · difficulty 1.14 · field 0.42 · quality 0.45
213
Okinawa Hontō survival run · Nov 18, 2022 · 248.55mi continuous
place 13 · 2d 21:21:51 · difficulty 1.07 · field 0.43 · quality 0.75
344
(race) · — · ?mi
place 194 · 1d 11:55:54 · difficulty ? · field ? · quality 0.36
122
(race) · — · ?mi
place 246 · 1d 11:57:40 · difficulty ? · field ? · quality 0.39
134
(race) · — · ?mi
place 152 · 1d 10:05:44 · difficulty ? · field ? · quality 0.50
122
(race) · — · ?mi
place 187 · 1d 11:12:55 · difficulty ? · field ? · quality 0.46
113
(race) · — · ?mi
place 96 · 1d 09:14:42 · difficulty ? · field ? · quality 0.51
124
(race) · — · ?mi
place 218 · 1d 11:17:08 · difficulty ? · field ? · quality 0.45
109
(race) · — · ?mi
place 15 · 1d 22:56:40 · difficulty ? · field ? · quality 0.49
121
(race) · — · ?mi
place 8 · 1d 14:17:20 · difficulty ? · field ? · quality 0.70
170
(race) · — · ?mi
place 15 · 1d 21:37:21 · difficulty ? · field ? · quality 0.50
123
(race) · — · ?mi
place 60 · 2d 01:55:40 · difficulty ? · field ? · quality 0.55
138
(race) · — · ?mi
place 32 · 2d 01:14:50 · difficulty ? · field ? · quality 0.57
140
(race) · — · ?mi
place 46 · 2d 04:40:23 · difficulty ? · field ? · quality 0.62
153
(race) · — · ?mi
place 15 · 1d 21:34:30 · difficulty ? · field ? · quality 0.68
168
(race) · — · ?mi
place 17 · 1d 20:55:54 · difficulty ? · field ? · quality 0.55
136
(race) · — · ?mi counts toward rating
place 17 · 1d 18:51:44 · difficulty ? · field ? · quality 0.65
160
(race) · — · ?mi
place 10 · 2d 09:35:18 · difficulty ? · field ? · quality 0.64
158
(race) · — · ?mi
place 17 · 1d 03:00:23 · difficulty ? · field ? · quality 0.55
137
(race) · — · ?mi
place 24 · 1d 23:38:15 · difficulty ? · field ? · quality 0.48
118
(race) · — · ?mi
place 37 · 2d 01:45:26 · difficulty ? · field ? · quality 0.56
137