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

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Greg Clevenger

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen762773• new
OverallMen762773• 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)

Arizona Monster 300 · Mar 27, 2026 · 304mi continuouscounts toward rating
DNF · 304mi covered · difficulty 2.20 · field 2.45 · quality 1.00
1,890
Cowboy 200 · Sep 26, 2025 · 200mi continuouscounts toward rating
DNF · 200mi covered · difficulty 0.95 · field 1.04 · quality 1.00
346
Moab 240 Endurance Run · Oct 7, 2022 · 240mi continuous
DNF · 240mi covered · difficulty 1.95 · field 1.86 · quality 1.00
1,271