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

← Rankings

Seong-Ha Jeon

Men · Asia · b. 1966 (60-69) · provisional rating

Also seen as: Jeon, Seong-Ha

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen2810858• new
OverallMen2813374• 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 43 · 2d 18:20:00 · difficulty ? · field ? · quality 0.61
149
(race) · · ?mi counts toward rating
place 43 · 1d 10:27:00 · difficulty ? · field ? · quality 0.51
124