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

← Rankings

Mark Andersen

Men · DEN · b. 1967 (50-59) · provisional rating

Also seen as: Andersen, Mark

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen4261557• new
OverallMen4261557• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 1 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

Spine Race · Jan 11, 2026 · 268mi continuouscounts toward rating
place 87 · 6d 22:10:14 · difficulty 2.20 · field 1.45 · quality 0.37
1,178