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

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Jason Ollis

Men · Americas

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1,436253• new
OverallMen1,436253• 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
Arizona Monster 300 · Apr 4, 2025 · 304mi continuouscounts toward rating
place 175 · 6d 11:53:21 · difficulty 2.20 · field 2.26 · quality 0.35
1,727
Bigfoot 200 Endurance Run · Aug 9, 2024 · 200mi continuouscounts toward rating
DNF · 200mi covered · difficulty 2.65 · field 1.90 · quality 1.00
1,760
Bigfoot 200 Endurance Run · Aug 11, 2023 · 200mi continuous
place 92 · 4d 03:14:02 · difficulty 2.65 · field 1.81 · quality 0.34
1,627
Tahoe 200 Mile Endurance Run · Jun 17, 2022 · 200mi continuous
place 100 · 3d 22:46:08 · difficulty 2.35 · field 2.02 · quality 0.40
1,888
Moab 240 Endurance Run · Oct 8, 2021 · 240mi continuous
place 95 · 4d 05:16:45 · difficulty 1.95 · field 1.69 · quality 0.34
1,131