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

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Peter Mortimer

Men · Americas · b. 1981 (40-49)

Also seen as: Mortimer, Peter

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen2,98322• new
OverallMen2,98322• 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)

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
Tahoe 200 Mile Endurance Run · Jun 13, 2025 · 200mi continuouscounts toward rating
DNF · 200mi covered · difficulty 2.35 · field 2.32 · quality 1.00
1,909
Arizona Monster 300 · Apr 4, 2025 · 304mi continuouscounts toward rating
place 1 · 3d 14:33:18 · difficulty 2.20 · field 2.26 · quality 1.00
4,979
TOR330 - Tor des Géants · Sep 8, 2024 · 205.05mi continuous
place 65 · 4d 10:51:01 · difficulty 2.65 · field 0.92 · quality 0.46
1,118
Summer Spine Race · Jun 18, 2023 · 268mi continuous
place 2 · 3d 21:12:27 · difficulty 1.09 · field 0.62 · quality 0.71
484
Cocodona 250 Mile Race · May 3, 2021 · 250mi continuous
place 2 · 3d 05:16:14 · difficulty 2.45 · field 2.19 · quality 0.90
4,833