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

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Sean Humphrey

Men · Americas · b. 1974 (50-59) · provisional rating

Also seen as: Humphrey, Sean

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
BackyardMen351900• new
ContinuousMen6131125• new
OverallMen5981150• 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)

Cocodona 250 Mile Race · May 4, 2026 · 250mi continuouscounts toward rating
place 128 · 4d 11:54:14 · difficulty 2.45 · field 2.30 · quality 0.31
1,740
(race) · · ?mi counts toward rating
place 79 · · 8 yards · difficulty ? · field ? · quality 0.15
12