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

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Clifford Matthews

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,115414• new
OverallMen1,115413• 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
DNF · 200mi covered · difficulty 2.65 · field 2.50 · quality 1.00
2,319
Bigfoot 200 Endurance Run · Aug 9, 2024 · 200mi continuouscounts toward rating
place 95 · 3d 13:51:21 · difficulty 2.65 · field 1.90 · quality 0.31
1,569
Cocodona 250 Mile Race · May 1, 2023 · 250mi continuous
place 107 · 4d 18:19:53 · difficulty 2.45 · field 2.44 · quality 0.41
2,455
Cocodona 250 Mile Race · May 2, 2022 · 250mi continuous
place 90 · 4d 15:55:01 · difficulty 2.45 · field 2.18 · quality 0.32
1,708