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

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Daniel Gilliam

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen3161971• new
OverallMen3161971• 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)

The Mammoth 200 · Sep 26, 2025 · 208mi continuouscounts toward rating
place 58 · 4d 03:19:09 · difficulty 1.01 · field 2.07 · quality 0.24
510
Cowboy 200 · Sep 13, 2024 · 200mi continuouscounts toward rating
place 27 · 3d 03:30:49 · difficulty 0.95 · field 1.17 · quality 0.35
387
Bigfoot 200 Endurance Run · Aug 11, 2023 · 200mi continuouscounts toward rating
place 136 · 4d 09:55:36 · difficulty 2.65 · field 1.81 · quality 0.30
1,447
Cocodona 250 Mile Race · May 1, 2023 · 250mi continuous
place 97 · 4d 16:28:11 · difficulty 2.45 · field 2.44 · quality 0.42
2,529
Moab 240 Endurance Run · Oct 7, 2022 · 240mi continuous
place 167 · 4d 16:38:05 · difficulty 1.95 · field 1.86 · quality 0.30
1,082
Bigfoot 200 Endurance Run · Aug 12, 2022 · 200mi continuous
DNF · 200mi covered · difficulty 2.65 · field 2.08 · quality 1.00
1,926