I've been a trail runner convert for years. Outside of the winter months, if I'm climbing and need crampons, I'll be wearing trainers. They're so much kinder on your feet, especially over longer distances.
Yep pair of altra trails and a pair of altra boots (more like extended trainers), absolutely bliss compared to old school boots.
Done a 3 nighter across snowdonia in the trail runners before. Was wet, but I still preferred the damp feet to comfort ratio.