It will be the first time that team selections have been held outside the capital city of Nairobi, which have been the site of the past Olympic and world championships trials.
"We have decided to move the championships from Nairobi to Eldoret, since most of the Olympic probables train and reside with this region," Athletics Kenya (AK) senior vice-president in charge of competitions, Paul Mutwii told AFP.
The trials will be held between June 14 to 16.
Mutwii said the selected athletes will also hold their residential training camp in the region before heading to Brazil.
Eldoret, situated at 7 000 feet above sea level, and about 315 kilometres (200 miles) north-west of Nairobi, is home to most of the top Kenyan athletes including two-time London marathon champion, Eliud Kipchoge and three-time world and Olympic 1500m champion Asbel Kiprop.
