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

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Kenneth Ralston

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,050457• new
OverallMen1,050457• 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)

Tahoe 200 Mile Endurance Run · Jun 13, 2025 · 200mi continuouscounts toward rating
place 83 · 3d 18:32:41 · difficulty 2.35 · field 2.32 · quality 0.38
2,058
Tahoe 200 Mile Endurance Run · Jun 14, 2024 · 200mi continuouscounts toward rating
place 79 · 3d 17:18:01 · difficulty 2.35 · field 2.02 · quality 0.40
1,908