Olympic marathon champion, Eliud Kipchoge (centre) in a training session in Kaptagat, Eldoret. [AFP] For former marathon record holder and the first man to run sub-two hours in 42km, Eliud Kipchoge, the 2024 Paris Olympics was all about the participation. After not finishing at the Paris Olympics, the marathon great is heading to London where he is set to battle for honours, once again on April 27. In the last four months, the two-time Olympic marathon champion has been preparing at his base in Kaptagat. At 40, he joins other legends in taking firm control of marathons alongside younger counterparts,…