I ran 5k in the evening yesterday, and found it really hard going (and my time was down). I think it might be a hayfever problem, because it's just coming to the tree pollen time, and the main difficulty was my chest feeling a bit 'tight'.
Anyone else suffer?
And what helps? I take a daily hayfever OTC tablet, plus use eyedrops and that generally keeps it under control. But this time last year I hadn't started running.