The Ultimate Guide: When to replace your running shoes

You will have no doubt heard the advice when it comes to replacing your running shoes: replace them every 500 miles or so. In fact, this rough benchmark has even caused Strava to have an ‘alert’ set up for when your shoes reach at least 400km. So, why have my INOV8 X-Talon 255s lasted over 1000 miles of brutal running?