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

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Sarah Ostaszewski

Women · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen1,91622• new
OverallWomen1,91622• 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)

Cocodona 250 Mile Race · May 5, 2025 · 250mi continuouscounts toward rating
place 15 · 3d 08:25:31 · difficulty 2.45 · field 2.43 · quality 0.57
3,389
Moab 240 Endurance Run · Oct 11, 2024 · 240mi continuouscounts toward rating
place 5 · 3d 04:57:52 · difficulty 1.95 · field 2.04 · quality 0.83
3,302
Cocodona 250 Mile Race · May 1, 2023 · 250mi continuous
place 4 · 3d 00:50:27 · difficulty 2.45 · field 2.44 · quality 0.92
5,527
Cocodona 250 Mile Race · May 2, 2022 · 250mi continuous
place 13 · 3d 12:21:24 · difficulty 2.45 · field 2.18 · quality 0.53
2,841
Cocodona 250 Mile Race · May 3, 2021 · 250mi continuous
place 22 · 4d 03:24:49 · difficulty 2.45 · field 2.19 · quality 0.57
3,071