I haven’t. There’s a higher proportion of ladies at Beacon Tarn. Maybe because it is well out of the way or perhaps due to having a female organiser. Last year’s was the first time it wasn’t raining and some of the group stripped on the way there. I walked back naked. My rucksack has ventilated shoulder straps with a course mesh over them and it chafed at my shoulders. This year I might wear a t-shirt to stop that, unless wearing one looks perverse