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

← Rankings

Cheng-Long Guo

Men · Asia · b. 1990 (30-39) · provisional rating

Also seen as: Guo, Cheng-Long

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1842962• new
OverallMen1842962• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 1 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

Mt. Wumeng Ultra Trail 500km · May 1, 2025 · 310.69mi continuouscounts toward rating
place 1 · 7d 14:34:25 · difficulty 1.13 · field 0.40 · quality 1.00
458