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

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David Park

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,975104• new
OverallMen1,975104• 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 continuouscounts toward rating
DNF · 250mi covered · difficulty 2.45 · field 2.30 · quality 1.00
1,973
Arizona Monster 300 · Mar 27, 2026 · 304mi continuouscounts toward rating
place 29 · 5d 12:46:16 · difficulty 2.20 · field 2.45 · quality 0.43
2,309
Moab 240 Endurance Run · Oct 10, 2025 · 240mi continuouscounts toward rating
place 59 · 4d 06:51:22 · difficulty 1.95 · field 2.31 · quality 0.37
1,644