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

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Jess Greene

Women · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen1,52551• new
OverallWomen1,52551• 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 87 · 4d 10:12:45 · difficulty 1.95 · field 2.31 · quality 0.34
1,551
Arizona Monster 300 · Apr 4, 2025 · 304mi continuouscounts toward rating
place 146 · 6d 04:35:47 · difficulty 2.20 · field 2.26 · quality 0.38
1,882
Moab 240 Endurance Run · Oct 11, 2024 · 240mi continuouscounts toward rating
place 86 · 4d 13:36:29 · difficulty 1.95 · field 2.04 · quality 0.44
1,747
Moab 240 Endurance Run · Oct 13, 2023 · 240mi continuous
place 58 · 4d 06:26:46 · difficulty 1.95 · field 1.74 · quality 0.51
1,748
Tahoe 200 Mile Endurance Run · Jul 21, 2023 · 200mi continuous
place 77 · 4d 01:00:52 · difficulty 2.35 · field 1.59 · quality 0.45
1,688
Moab 240 Endurance Run · Oct 7, 2022 · 240mi continuous
place 80 · 4d 03:34:18 · difficulty 1.95 · field 1.86 · quality 0.37
1,350
Bigfoot 200 Endurance Run · Aug 12, 2022 · 200mi continuous
place 90 · 4d 05:04:57 · difficulty 2.65 · field 2.08 · quality 0.36
1,954
Moab 240 Endurance Run · Oct 8, 2021 · 240mi continuous
place 63 · 3d 23:06:47 · difficulty 1.95 · field 1.69 · quality 0.38
1,266