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

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Sarah Niven

Women · Oceania · b. 1980 (40-49) · provisional rating

Also seen as: Niven, Sarah

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen778197• new
OverallWomen778197• 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)

Arizona Monster 300 · Apr 4, 2025 · 304mi continuouscounts toward rating
place 144 · 6d 03:59:42 · difficulty 2.20 · field 2.26 · quality 0.38
1,896
Moab 240 Endurance Run · Oct 13, 2023 · 240mi continuouscounts toward rating
place 82 · 4d 13:42:47 · difficulty 1.95 · field 1.74 · quality 0.45
1,545
Bigfoot 200 Endurance Run · Aug 11, 2023 · 200mi continuous
place 95 · 4d 03:30:28 · difficulty 2.65 · field 1.81 · quality 0.34
1,619
Tahoe 200 Mile Endurance Run · Jul 21, 2023 · 200mi continuouscounts toward rating
place 27 · 3d 11:26:55 · difficulty 2.35 · field 1.59 · quality 0.59
2,214
Unreasonable East 200 Miler · Jun 21, 2022 · 200mi continuous
place 8 · 3d 01:56:50 · difficulty 1.00 · field 0.90 · quality 0.64
573
Irrational S.O.U.T.H. 200 Miler · Apr 6, 2022 · 200mi continuous
place 11 · 3d 07:43:44 · difficulty 1.00 · field 0.79 · quality 0.64
506