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

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Chih-Hao Tsai

Men · TPE · b. 1975 (50-59)

Also seen as: Tsai, Chih-Hao

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
OverallMen2113601• new
Multi-day / TimedMen21687• 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
place 2 · 1d 12:26:28 · difficulty ? · field ? · quality 0.88
214
(race) · · ?mi
place 7 · · difficulty ? · field ? · quality 0.37
30
(race) · · ?mi counts toward rating
place 17 · · difficulty ? · field ? · quality 0.34
28
(race) · · ?mi counts toward rating
place 11 · · difficulty ? · field ? · quality 0.35
29
(race) · · ?mi counts toward rating
place 19 · · difficulty ? · field ? · quality 0.31
25