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

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Michael Irrgang

Men · GER · b. 1964 (60-69) · provisional rating

Also seen as: Irrgang, Michael

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen588604• new
OverallMen588589• new
Multi-day / TimedMen5047• 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)

(race) · · ?mi counts toward rating
place 10 · 1d 23:22:00 · difficulty ? · field ? · quality 0.67
161
(race) · · ?mi
place 13 · · difficulty ? · field ? · quality 0.59
48
(race) · · ?mi counts toward rating
place 21 · · difficulty ? · field ? · quality 0.63
51