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

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David Campbell

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen929557• new
OverallMen929556• 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 · Apr 4, 2025 · 304mi continuouscounts toward rating
place 172 · 6d 11:43:30 · difficulty 2.20 · field 2.26 · quality 0.35
1,730
Bigfoot 200 Endurance Run · Aug 9, 2024 · 200mi continuouscounts toward rating
DNF · 200mi covered · difficulty 2.65 · field 1.90 · quality 1.00
1,760