Parallel Performance
Your two plans.
You joined for the science. These come with it — no charge, no catch. Bookmark this page: it’s where everything we send you will live.
The 4-week 5K starter
Four weeks, three runs a week. Built for anyone going from nothing to a comfortable 5K without breaking themselves in week two.
Download plan10 key sessions
The ten workouts that do the heavy lifting for most runners, with the reason each one works. Drop them into any plan you’re already running.
Download sessions