Britain Athletics - London Marathon Previews - London - 21/4/17 (L-R) Bride-to-be Jackie Scully and her fiance Duncan Sloan, Director of Virunga National Park in the Democratic Republic of Congo Emmanuel de Merode, Zamzam Farah who became involved in The Running Charity after seeking asylum in the UK following her appearance for Somalia at the London 2012 Olympic Games and double Olympic gold medallists Heather Stanning ahead of the 2017 Virgin Money London Marathon Action Images via Reuters / Matthew Childs Livepic