The 12th edition of Kass marathon was officially launched on Tuesday ahead of the race on 17th November.
The race that cuts across two running counties of Nandi and Uasin Gishu, has been a breeding ground for top runners across the world.
Kass Media chief executive officer Julius Lamaon disclosed that they have done away with the 10-kilometre race.
Lamaon said they are targeting to register 2,500 runners for the 21km race that will start next to the Koitalel Arap Samoei University College in Nandi and ending at the Eldoret Sports Club.
Lamaon explained that the main, 42km race that targets to attract 1,200 runners and will start in Kapsabet, Nandi County, ending at the Eldoret Sports Club in Uasin Gishu County.
The five-kilometre fun and corporate run, the latter that is anticipated to draw the largest turnout of 6,000, will start outside the Barngetuny Plaza ending at the Eldoret Sports Club.
Registration started two weeks ago at several points in Eldoret and Kapsabet and online at www.kassmarathon.com for Sh500.