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

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John Williams

Men · Europe · b. 1976 (50-59) · provisional rating

Also seen as: Williams, John

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,479238• new
OverallMen1,479238• 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)

TOR450 - Tor des Glaciers · Sep 12, 2025 · 279.62mi continuouscounts toward rating
place 65 · 7d 14:27:51 · difficulty 3.00 · field 2.50 · quality 0.51
3,791
TOR330 - Tor des Géants · Sep 8, 2024 · 205.05mi continuouscounts toward rating
place 160 · 5d 04:53:42 · difficulty 2.65 · field 0.92 · quality 0.34
844
TOR330 - Tor des Géants · Sep 10, 2023 · 205.05mi continuouscounts toward rating
place 331 · 5d 13:45:18 · difficulty 2.65 · field 0.69 · quality 0.29
525