It's something that this year's London Marathon tried to tackle by reducing the number of drink stations on the running route, giving out water in paper cups and offering some drinks in edible seaweed capsules.

今年的伦敦马拉松试图通过减少跑步路线上的饮料站数量、提供纸杯装水和提供一些食用海藻胶囊饮料来解决这个问题。