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

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Thomas Boothby

Men · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,333298• new
OverallMen1,333298• 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)

The Summit 200 · Jul 28, 2025 · 200mi continuouscounts toward rating
place 6 · 3d 08:13:09 · difficulty 1.95 · field 2.50 · quality 0.62
3,041
The Summit 200 · Jul 22, 2024 · 200mi continuouscounts toward rating
DNF · 200mi covered · difficulty 1.95 · field 2.23 · quality 1.00
1,520
Moab 240 Endurance Run · Oct 7, 2022 · 240mi continuous
place 32 · 3d 16:36:09 · difficulty 1.95 · field 1.86 · quality 0.46
1,666
Bigfoot 200 Endurance Run · Aug 13, 2021 · 200mi continuous
place 12 · 3d 07:04:46 · difficulty 2.65 · field 1.87 · quality 0.57
2,836