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

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Sarah Twyford

Women · · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen871347• new
OverallWomen871346• 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 · Jul 21, 2023 · 200mi continuouscounts toward rating
place 85 · 4d 01:13:57 · difficulty 2.35 · field 1.59 · quality 0.45
1,681