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

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Jodi Halvorson

Women · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen874170• new
OverallWomen874170• 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)

Bigfoot 200 Endurance Run · Aug 8, 2025 · 200mi continuouscounts toward rating
place 129 · 4d 03:46:11 · difficulty 2.65 · field 2.50 · quality 0.24
1,584
Moab 240 Endurance Run · Oct 11, 2024 · 240mi continuouscounts toward rating
DNF · 240mi covered · difficulty 1.95 · field 2.04 · quality 1.00
1,393
Tahoe 200 Mile Endurance Run · Jun 17, 2022 · 200mi continuous
place 103 · 3d 23:06:23 · difficulty 2.35 · field 2.02 · quality 0.39
1,876
Cocodona 250 Mile Race · May 2, 2022 · 250mi continuous
DNF · 250mi covered · difficulty 2.45 · field 2.18 · quality 1.00
1,865