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

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Deborah Hamberlin

Women · Americas · provisional rating

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen889165• new
OverallWomen889165• 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 95 · 3d 21:08:33 · difficulty 2.35 · field 2.02 · quality 0.37
1,769
Tahoe 200 Mile Endurance Run · Jul 21, 2023 · 200mi continuouscounts toward rating
DNF · 200mi covered · difficulty 2.35 · field 1.59 · quality 1.00
1,307
Cocodona 250 Mile Race · May 2, 2022 · 250mi continuous
place 91 · 4d 16:08:43 · difficulty 2.45 · field 2.18 · quality 0.32
1,702