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

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Katherine Edwards Anderson

Women · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen2,8233• new
OverallWomen2,8233• 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)

Cocodona 250 Mile Race · May 4, 2026 · 250mi continuouscounts toward rating
place 20 · 3d 01:22:51 · difficulty 2.45 · field 2.30 · quality 0.62
3,483
Cocodona 250 Mile Race · May 5, 2025 · 250mi continuouscounts toward rating
place 24 · 3d 13:52:20 · difficulty 2.45 · field 2.43 · quality 0.51
3,012
Moab 240 Endurance Run · Oct 11, 2024 · 240mi continuouscounts toward rating
place 10 · 3d 11:57:06 · difficulty 1.95 · field 2.04 · quality 0.71
2,824