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

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Jim Smith

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,422259• new
OverallMen1,422259• 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 · Apr 4, 2025 · 304mi continuouscounts toward rating
place 35 · 4d 19:21:11 · difficulty 2.20 · field 2.26 · quality 0.60
2,969
Cocodona 250 Mile Race · May 6, 2024 · 250mi continuouscounts toward rating
place 44 · 3d 18:18:00 · difficulty 2.45 · field 2.43 · quality 0.48
2,844