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

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Tony McDermott

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen767768• new
OverallMen767768• 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)

Bigfoot 200 Endurance Run · Aug 8, 2025 · 200mi continuouscounts toward rating
place 158 · 4d 10:32:05 · difficulty 2.65 · field 2.50 · quality 0.21
1,408
Tahoe 200 Mile Endurance Run · Jun 14, 2024 · 200mi continuouscounts toward rating
place 130 · 4d 04:24:35 · difficulty 2.35 · field 2.02 · quality 0.33
1,545
Cocodona 250 Mile Race · May 2, 2022 · 250mi continuous
place 106 · 4d 20:22:24 · difficulty 2.45 · field 2.18 · quality 0.30
1,592