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

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Chris Lenahan

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen2012712• new
OverallMen2012710• 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)

The Mammoth 200 · Sep 26, 2025 · 208mi continuouscounts toward rating
place 64 · 4d 04:09:57 · difficulty 1.01 · field 2.07 · quality 0.24
502