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

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Jonathan Norloff

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen2,25354• new
OverallMen2,25354• 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)

Arizona Monster 300 · Mar 27, 2026 · 304mi continuouscounts toward rating
place 21 · 5d 05:57:30 · difficulty 2.20 · field 2.45 · quality 0.47
2,539
Tahoe 200 Mile Endurance Run · Jun 13, 2025 · 200mi continuouscounts toward rating
place 21 · 3d 02:35:13 · difficulty 2.35 · field 2.32 · quality 0.53
2,917
Bigfoot 200 Endurance Run · Aug 9, 2024 · 200mi continuouscounts toward rating
place 44 · 3d 01:07:09 · difficulty 2.65 · field 1.90 · quality 0.42
2,095
Moab 240 Endurance Run · Oct 13, 2023 · 240mi continuous
place 27 · 3d 21:58:51 · difficulty 1.95 · field 1.74 · quality 0.60
2,041