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

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Sean Camfield

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen4221565• new
OverallMen4221565• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 3 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

Southern States 200 · Mar 18, 2026 · 203mi continuouscounts toward rating
place 16 · 3d 16:56:07 · difficulty 1.01 · field 1.37 · quality 0.55
762
Southern States 200 · Mar 19, 2025 · 203mi continuouscounts toward rating
DNF · 203mi covered · difficulty 1.01 · field 0.87 · quality 1.00
306
Canebrake 200 Miler · Mar 26, 2024 · 200mi continuouscounts toward rating
place 2 · 2d 18:17:58 · difficulty 1.00 · field 0.54 · quality 0.94
502
Bigfoot 200 Endurance Run · Aug 11, 2023 · 200mi continuous
place 80 · 4d 01:01:35 · difficulty 2.65 · field 1.81 · quality 0.35
1,694