The world's hardest races

Taking a punt at listing some of the hardest races out there, Rick and Ben are joined by Rachel to discuss the criteria of what makes a race hard and what races should be on your bucket list if all you want to do is really suffer! There are of course some ultras, but what about a 2K race with 1000m of elevation? Yeah, that kind of thing. Learn more about your ad choices. Visit megaphone.fm/adchoices