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

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Michael Greer

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen3,33812• new
OverallMen3,33812• 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)

Cocodona 250 Mile Race · May 4, 2026 · 250mi continuous
DNF · 250mi covered · difficulty 2.45 · field 2.30 · quality 1.00
1,973
Moab 240 Endurance Run · Oct 10, 2025 · 240mi continuouscounts toward rating
place 9 · 3d 04:53:05 · difficulty 1.95 · field 2.31 · quality 0.62
2,775
Bigfoot 200 Endurance Run · Aug 8, 2025 · 200mi continuouscounts toward rating
place 5 · 2d 06:41:32 · difficulty 2.65 · field 2.50 · quality 0.71
4,675
Tahoe 200 Mile Endurance Run · Jun 13, 2025 · 200mi continuous
DNS · 200mi covered · difficulty 2.35 · field 2.32 · quality ?
Cocodona 250 Mile Race · May 5, 2025 · 250mi continuouscounts toward rating
place 38 · 3d 21:25:04 · difficulty 2.45 · field 2.43 · quality 0.43
2,588
Cocodona 250 Mile Race · May 1, 2023 · 250mi continuous
place 3 · 3d 00:47:07 · difficulty 2.45 · field 2.44 · quality 0.92
5,534
Cocodona 250 Mile Race · May 2, 2022 · 250mi continuous
DNS · 250mi covered · difficulty 2.45 · field 2.18 · quality ?