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

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Scott Imlay

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,802137• new
OverallMen1,802137• 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)

Arizona Monster 300 · Mar 27, 2026 · 304mi continuouscounts toward rating
place 72 · 6d 23:59:25 · difficulty 2.20 · field 2.45 · quality 0.28
1,512
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
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
Moab 240 Endurance Run · Oct 11, 2024 · 240mi continuous
DNF · 240mi covered · difficulty 1.95 · field 2.04 · quality 1.00
1,393
Bigfoot 200 Endurance Run · Aug 9, 2024 · 200mi continuous
place 129 · 4d 06:07:00 · difficulty 2.65 · field 1.90 · quality 0.23
1,148
Tahoe 200 Mile Endurance Run · Jul 21, 2023 · 200mi continuous
DNF · 200mi covered · difficulty 2.35 · field 1.59 · quality 1.00
1,307