Sufferfest video/workout?
Not a video, a real outdoor ride. It says it under the sufferscore: Tough Suffer Score Sufferfest
Think it relates to time spent in hr zones... screenshots are an easy ride by a guy I know, plus an actual'sufferfest' branded session by another guy.
Edit adding 'extreme' ride i found probably a notch or two below sufferfest.
@yoshy started
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Sufferfest video/workout?