Running does not replace strength training. A small amount of well-selected work can improve force production, tissue capacity and running economy.
The main benefits
Strength work can support tendon and muscle capacity, improve force application and help runners tolerate training load.
Two focused sessions
For many runners, two short sessions of 20–35 minutes are enough. Consistency matters more than a complex gym programme.
Priorities
Squat and split-squat patterns, hip hinge, calf work, single-leg control and trunk stability cover most needs.
Progressive overload
Add load, range, control or repetitions gradually. The session should challenge you without damaging the following key run.
Placement
Strength often fits after an easier run or on the same day as quality work, preserving true recovery days.
Race phase
Keep some strength during the season, then reduce volume near important races rather than removing it months in advance.
Training decisions should be adapted to your history, schedule and recovery. General information is not a substitute for medical advice.