Can I Run a Half Marathon Without Training?

So can you run a half marathon without proper training? Well, yes, but it's not advisable and it's not fun.

How bad is it to run a half marathon without training?

The untrained runner is even more prone to these, so aches can begin even while you're still going, and will most certainly be more unpleasant later. You could also suffer from tendon damage, which could be more serious and lasting, leading to tendonitis or tendonosis for long after the race is a distant memory.

Can the average person run a half marathon?

To the average person, running 13 miles sounds crazy. It takes about two hours on average to finish if you are in good shape, and you could spend months preparing for your first race. Here's the good news: half marathons are not that hard. In fact, they are considerably easier than a full marathon at 26.2 miles.