Choose a hill session by its purpose
There is no universal best hill workout. Short controlled climbs practise uphill running; longer repetitions add sustained effort; descents rehearse a different skill and can create substantial soreness. Hill running is not a substitute for a complete strength programme, and it is not automatically safer than level running.
These examples are options, not a progression ladder or a prescribed weekly dose. A beginner can build consistency with easy run-walk before adding a separate hill workout.
Keep the rest of the week workable
Warm up on familiar terrain and choose a surface with good footing and visibility. Replace an existing demanding session with hill work rather than adding another hard day. Leave recovery before the long run and assess how walking and ordinary easy running feel afterward.
If calves or Achilles tendons are painful, or pain changes movement, stop the session and seek appropriate assessment. Do not use hills as treatment for an undiagnosed problem. The training-parameter review found inconsistent injury associations; it does not establish a universally safe hill dose.
Use the running-workout guide to choose the session's job and the training log to record gradient, surface, repetitions, effort and recovery.