More than 450 participants are expected to compete in tomorrow’s National Hugo Chambers Memorial 5K, Two-mile and One-mile runs.The event, now in its 28th year, is run in memory of the late Hugo Chambers, outstanding old boy and headmaster of Jamaica College. He was a well known sportsman and sports administrator who made a significant contribution to the development of sports in Jamaica.The 5K race will start on Mona Road and finish at Jamaica College. The race will feature Jamaica’s top middle distance runners. Last year’s winners were Chadoye Dawkins and Britnie Dixon. The one-mile race for Special Olympic athletes and children aged 12 and under will begin at 1.30 p.m.As many as 250 runners, male and female, are expected to line up for the two-mile race which starts at 2:30 p.m. This event is open to 13 to 19-year-old runners. The male and female races will be run separately.Organisers of the event, the Jamaica College Sports Development Committee, will also have a wheelchair category in the 5K for male and female athletes. Title sponsors for the run are Continental Bakery under its National brand.