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In good terrain, I use the thumb-rule: 10 minutes per km of distance + 10 minutes per 100m of altitude. This works on easy trails in moderate conditions (no heat, no high altitude, etc.), and often...
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In good terrain, I use the thumb-rule: 10 minutes per km of distance + 10 minutes per 100m of altitude. This works on easy trails in moderate conditions (no heat, no high altitude, etc.), and often...