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

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Phil Nimmo

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,197368• new
OverallMen1,197367• 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
Tahoe 200 Mile Endurance Run · Jul 21, 2023 · 200mi continuous
DNS · 200mi covered · difficulty 2.35 · field 1.59 · quality ?
Bigfoot 200 Endurance Run · Aug 12, 2022 · 200mi continuous
DNF · 200mi covered · difficulty 2.65 · field 2.08 · quality 1.00
1,926
Bigfoot 200 Endurance Run · Aug 13, 2021 · 200mi continuous
DNF · 200mi covered · difficulty 2.65 · field 1.87 · quality 1.00
1,736