An ultramarathon is technically any running race longer than 42.2 km (26.2 miles). But how long is an ultra marathon, really—and what does that actually involve? That depends. The truth is, ultras come in many shapes and sizes. Some are just a few miles past a marathon, while others stretch across entire regions, test sleep deprivation, and span multiple days. From runnable 50Ks to gruelling multi-stage courses, each distance comes with its own challenges, training timelines, and finish expectations.
Full story, here.
