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

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Jonathan Strong

Men · Europe · b. 1982 (40-49) · provisional rating

Also seen as: Strong, Jonathan

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousMen1533594• new
OverallMen1533592• 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)

Lon Las Cymru Ultra · Oct 16, 2025 · 250mi continuouscounts toward rating
place 10 · 3d 13:15:00 · difficulty 1.07 · field 0.64 · quality 0.55
382
King Alfred's Way 200 Mile Race · Aug 11, 2023 · 217.48mi continuouscounts toward rating
place 13 · 3d 11:03:00 · difficulty 1.03 · field 0.40 · quality 0.55
228