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

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Mark Damveld

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,025479• new
OverallMen1,025479• 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)

Southern States 200 · Mar 18, 2026 · 203mi continuouscounts toward rating
place 18 · 3d 20:26:51 · difficulty 1.01 · field 1.37 · quality 0.52
711
Tahoe 200 Mile Endurance Run · Jun 13, 2025 · 200mi continuouscounts toward rating
place 56 · 3d 12:50:29 · difficulty 2.35 · field 2.32 · quality 0.42
2,313