Saved routes sync to the same Go Guide account; saving alone does not make a route available offline.

Go Guide app

In the app

  1. Open the route, tap the three-dot button and choose Save. The heart beside Save becomes solid.
  2. To find it later, tap Profile → My Lists → Favourites.
  3. To remove it, open the route, tap the three-dot button and tap Save again. The heart returns to its outline.
goguide.co.uk

On the web

  1. The website route page does not currently have a Save button.
  2. Select Open in App, send the route to your iPhone, then save it in the app using the three-dot button → Save.
  3. Routes saved in the app appear in the website account under Saved routes after syncing.