A marathon is a big challenge, no doubt, but once you’ve done one, or even several, where do you go next? How about running even further and earning the title of ultrarunner? This booming format is ...

Ultrarunning is an existential journey. What do we learn at mile 30 or 50 or 99? We learn that we are layers of self-aware meat and gristle built on stick-figure scaffolding. And every so often, when ...