Let's call it an easy ride that takes between 2.5 and 3 hours. Will that ride make him more or less sore than a 12 mile run? He is an experienced runner whose trained at ~80 miles per week before and done 16 mile long runs and a low 2:50s marathon. So the question here is: will a 52 mile bike ride make him more or less sore than a 12 mile run?