Draw the return before the loop

Begin with your actual starting point: a front door, a bus stop or a park entrance. Trace two possible returns from the proposed circuit. One should work near the beginning; the other should work after you have gone a little further. A line across a map is not enough if the shortcut crosses a locked gate, an awkward road or private ground. Walk unfamiliar connections before relying on them.

For example, a figure-of-eight around two neighbouring playing fields offers a choice at the middle. You can complete one side and return, or cross the centre and continue. A single circuit around a large lake may have fewer useful exits even if its advertised distance sounds modest. Shape and access matter as much as the number of kilometres.

Notice what changes during the outing

Choose a route whose shorter version still makes sense. A shortcut that removes the only pavement or sends you down a steep, rough bank is not an improvement. Look for changes in surface, busy entrances and sections where you would have to wait to cross traffic. Consider whether these features would be different at the time you intend to run.

Use a clear decision point rather than checking constantly whether you should stop. At the park entrance or familiar junction, ask whether continuing still fits your time and comfort. You do not need to justify taking the shorter option. Its purpose is to make the outing flexible without requiring a new navigation decision when you are distracted.

Keep both versions usable

Save the short route as carefully as the longer one. If using a phone, check that you can recognise the relevant junction on the ground rather than depending on a tiny moving dot. Tell a companion that either finish is acceptable before you begin, particularly if they are expecting a continuous run.

Afterwards, record which connection you used and whether it worked. A closed entrance, dark underpass or unexpectedly busy pavement is useful information for the next visit. Over several outings you can build a small collection of routes with reliable exits. That gives you choices on days when the available time or your willingness to continue changes.