East African athletes typically occupy the higher places in the elite races.
As well as the mass race, it attracted high level international competitors in elite races.
In addition to the elite races, a separate mass race is held for amateur runners.
The elite race is international in nature, with a number of foreign runners being invited each year, although prominent Japanese athletes also take part.
The under-23 races are held over the same course as the elite races.
The 5K race has been the elite race since 1989 while the 10K was removed from the annual race's events in 1991.
And from the entry in the elite race, I knew the pace would be faster.
Competitors from around the world participate in what are dubbed the "elite" races for cash prizes.
Occasionally the event will be held in January and under 23 events combined with the elite race.
The elite race attracts a number of prominent runners.