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

← Rankings

Tom Igusa

Men · Oceania · b. 1978 (40-49) · provisional rating

Also seen as: Igusa, Tom

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1583475• new
OverallMen1583472• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 1 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

TOR330 - Tor des Géants · Sep 14, 2025 · 205.05mi continuouscounts toward rating
place 587 · 5d 23:54:45 · difficulty 2.65 · field 0.57 · quality 0.25
374