My hiking boots were good for about 400 miles. Now I use trail runners and I don't trust them after 200 miles - the souls get too smooth. Their combined 14,000

My hiking boots were good for about 400 miles. Now I use trail runners and I don't trust them after 200 miles - the souls get too smooth. Their combined 14,000 miles divided by 26 means they were getting 540 miles out of each pair.