BUILD YOUR BASE / 7 MIN READ
5K to Half Marathon: A Realistic Beginner Timeline
A 5K is a meaningful starting point. The next chapter is not simply adding more kilometres; it is teaching your body and schedule to handle longer efforts consistently.
Keep the 5K habit first
Before you chase a longer long run, make your current running routine feel normal. Consistency makes the next increase easier to absorb.
A steady base gives you options when a week gets disrupted. It stops every missed run from feeling like a restart.
Extend the long run gradually
The long run should grow in a way that leaves room for recovery. It is one part of the week, not a weekly test of toughness.
Keep easier sessions genuinely easy so that the whole week works together.
Choose a goal that matches the season
A first half marathon can be a finish goal, a confidence goal, or a stepping stone. The best target makes you want to keep turning up next week.
DOES YOUR TIMELINE FIT YOUR GOAL?