Britain's Mo Farah capped his illustrious competitive racing career with a fourth-place finish at the Great North Run half-marathon in Newcastle on Sunday.
Chebet picked up his first major victory in two hours six minutes and 51 seconds, with compatriots Lawrence Cherono and Benson Kipruto second and third.
Kenya's Peres Jepchirchir won the Olympics women's marathon in Sapporo on Saturday, out-duelling compatriot Brigid Kosgei in the final minutes and claiming her country's second consecutive gold medal in the event. Kosgei took silver and Molly Seidel of the United States, competing in just her third marathon after moving up from shorter distances, claimed bronze.
The 23-year-old world champion crossed the line in the Ras al-Khaimah half marathon three seconds quicker than the mark set by fellow Kenyan Florence Kiplagat in Barcelona two years ago, although the new record remains subject to ratification.
Uganda's Joshua Cheptegei, American Ryan Crouser (shot put), German Johannes Vetter (javelin) and Norwegian Karsten Warholm (400m hurdles) were the other male finalists at the virtual ceremony.
A summary of Saturday's Track and Field action at the Tokyo Olympics.
Images for Sunday's closing ceremony at the Tokyo Olympics.