Forums General chat Walking marathon challenge Reply To: Walking marathon challenge July 15, 2018 at 10:34 am #468 scats 4 Posts Well done…great achievement! If you carry on training…when my trail shoes were rubbing, I tried wearing those ankle length tights things that you wear with trousers under my socks. It really helped to stop the friction. As others have said, pre-emptive plasters can help, although I tend to sweat them off!