videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including The Ikano Robin Hood Marathon, Nottingham, 2014, The Lakeland Trails Hawkshead 10km, The Lakeland Trails Staveley 17km Challenger; Race Highlights from Trek and Run