Building Mileage Safely
To safely increase running mileage, start by adding an extra run at an easy pace, ideally spread over more days to reduce stress. Incorporating basic strength training can enhance muscle durability and help prevent injuries, especially for those prone to them. Additionally, consider cross-training as a way to manage mileage effectively while still building endurance.In this clip
From this podcast

The Running Explained Podcast
s5/e07 How Much Does Running VOLUME Matter For Your Goals? with Jason Fitzgerald
Related Questions
How often and how much should a runner increase weekly distance?
While training for a marathon or half marathon, is it a good strategy to break up a long run over two days? For example, if I were to substitute a 10-mile long run on Saturday followed by a 3-mile recovery run on Sunday with a 7-mile run on Saturday and a 6-mile run on Sunday, would I be achieving the same adaptations?
Is running 1 mile a day helpful, or would it be better to run 3 miles 3 times per week?