Which marathon star will race to victory in London?

Athletics - London Marathon - Elite Men Press Conference - London, Britain - April 19, 2018. Kenya's Daniel Wanjiru and Eliud Kipchoge with Ethiopia's Kenenisa Bekele and Guye Adola pose for a photograph. [Action Images via Reuters/Peter Cziborra]

October 4 will be the defining moment as the top two fastest marathoners go head to head in London.

The epic clash pitting Eliud Kipchoge, 35, against Kenenisa Bekele, 38, is expected to present one of the world’s mouth-watering encounters this year.