I've started running and an unexpected challenge is boredom. The running is challenging as is, but doing it for ~1h30m has been, for me, well, tedious. I guess that's a byproduct of always being within arm's reach of a phone.
This is one of the major benefits of LSD (long, slow, distance) running, especially for people who have (a slight) ADHD (like me). It allows you to have solitude. I can't sit down and think quietly for an hour, because I .. just can't cope with the lack of stimuli. Running provides some baseline stimulus at least (plus I always set a specific goal, either a distance or a time goal so that I don't give it up), so I ju…
[0] I've heard my grand parents were also never ending workers.