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

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John Gray

Men · Europe · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen3361915• new
OverallMen3361913• 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)

Tahoe 200 Mile Endurance Run · Jun 14, 2024 · 200mi continuouscounts toward rating
DNF · 200mi covered · difficulty 2.35 · field 2.02 · quality 1.00
1,664
Moab 240 Endurance Run · Oct 7, 2022 · 240mi continuous
place 156 · 4d 15:25:58 · difficulty 1.95 · field 1.86 · quality 0.30
1,103