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

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Erin Quinn

Women · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen1,77233• new
OverallWomen1,77233• 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)

Moab 240 Endurance Run · Oct 10, 2025 · 240mi continuouscounts toward rating
place 132 · 4d 18:41:22 · difficulty 1.95 · field 2.31 · quality 0.30
1,351
Bigfoot 200 Endurance Run · Aug 8, 2025 · 200mi continuouscounts toward rating
place 81 · 3d 14:21:03 · difficulty 2.65 · field 2.50 · quality 0.31
2,055
Tahoe 200 Mile Endurance Run · Jun 13, 2025 · 200mi continuouscounts toward rating
DNF · 200mi covered · difficulty 2.35 · field 2.32 · quality 1.00
1,909
Cocodona 250 Mile Race · May 6, 2024 · 250mi continuous
place 160 · 4d 18:16:05 · difficulty 2.45 · field 2.43 · quality 0.31
1,862
Moab 240 Endurance Run · Oct 13, 2023 · 240mi continuous
place 101 · 4d 18:03:39 · difficulty 1.95 · field 1.74 · quality 0.42
1,440