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

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Cheng-Han Tsai

Men · TPE · b. 1973 (50-59) · provisional rating

Also seen as: Tsai, Cheng-Han

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
OverallMen3013339• new
Multi-day / TimedMen30620• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 2 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

(race) · · ?mi counts toward rating
place 23 · · difficulty ? · field ? · quality 0.60
48
(race) · · ?mi
place 3 · · difficulty ? · field ? · quality 0.35
28
(race) · · ?mi
place 5 · · difficulty ? · field ? · quality 0.33
27
(race) · · ?mi
place 20 · · difficulty ? · field ? · quality 0.32
26
(race) · · ?mi counts toward rating
place 26 · · difficulty ? · field ? · quality 0.31
25