The party night walk: you dress up in a decorated bra or bra T-shirt and set off from Clapham Common after dark, with the first wave (10K and 10 miles) leaving at about 9:45 p.m. and the Half and Full Moon waves between about 10 and 10:30 p.m. Distances are 10K, 10 miles, the 15.1 mile Half Moon…
