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

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Joan Hellman

Women · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen1,19785• new
OverallWomen1,19785• 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)

Arizona Monster 300 · Mar 27, 2026 · 304mi continuouscounts toward rating
DNF · 304mi covered · difficulty 2.20 · field 2.45 · quality 1.00
1,890
Arizona Monster 300 · Apr 4, 2025 · 304mi continuouscounts toward rating
DNF · 304mi covered · difficulty 2.20 · field 2.26 · quality 1.00
1,743
Cocodona 250 Mile Race · May 2, 2022 · 250mi continuous
place 80 · 4d 12:08:52 · difficulty 2.45 · field 2.18 · quality 0.34
1,817
Cocodona 250 Mile Race · May 3, 2021 · 250mi continuous
DNF · 250mi covered · difficulty 2.45 · field 2.19 · quality 1.00
1,881