From Couch to Sprint Triathlon in 12 Weeks— Is It Actually Possible?

I get this question a lot. Usually it comes from someone who's just registered for their first sprint triathlon — maybe a work colleague dared them, maybe they watched a race and something lit up inside them — and now they're staring at the entry confirmation wondering what on earth they've done.

So let me answer it directly: yes, it is possible. But with important conditions attached.