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

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Charles Hofacker

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen787744• new
OverallMen787742• 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)

Tahoe 200 Mile Endurance Run · Jun 13, 2025 · 200mi continuouscounts toward rating
place 96 · 3d 20:49:08 · difficulty 2.35 · field 2.32 · quality 0.36
1,968
Moab 240 Endurance Run · Oct 13, 2023 · 240mi continuouscounts toward rating
place 73 · 4d 10:21:23 · difficulty 1.95 · field 1.74 · quality 0.48
1,634
Tahoe 200 Mile Endurance Run · Jun 17, 2022 · 200mi continuous
DNF · 200mi covered · difficulty 2.35 · field 2.02 · quality 1.00
1,664