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

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Kevin Tiffany

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,178384• new
OverallMen1,178383• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 3 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

Moab 240 Endurance Run · Oct 10, 2025 · 240mi continuouscounts toward rating
DNF · 240mi covered · difficulty 1.95 · field 2.31 · quality 1.00
1,576
Tahoe 200 Mile Endurance Run · Jun 14, 2024 · 200mi continuouscounts toward rating
place 13 · 2d 22:36:33 · difficulty 2.35 · field 2.02 · quality 0.61
2,912
Bigfoot 200 Endurance Run · Aug 11, 2023 · 200mi continuouscounts toward rating
place 11 · 2d 23:12:18 · difficulty 2.65 · field 1.81 · quality 0.62
2,957
Cocodona 250 Mile Race · May 1, 2023 · 250mi continuous
place 18 · 3d 13:43:54 · difficulty 2.45 · field 2.44 · quality 0.69
4,122
Moab 240 Endurance Run · Oct 7, 2022 · 240mi continuous
place 71 · 4d 02:57:51 · difficulty 1.95 · field 1.86 · quality 0.38
1,365
Tahoe 200 Mile Endurance Run · Jun 17, 2022 · 200mi continuous
DNF · 200mi covered · difficulty 2.35 · field 2.02 · quality 1.00
1,664