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

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Chad Portwood

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen2822117• new
OverallMen2822117• 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)

Bigfoot 200 Endurance Run · Aug 9, 2024 · 200mi continuouscounts toward rating
place 125 · 4d 03:43:50 · difficulty 2.65 · field 1.90 · quality 0.24
1,198