FILE - In this Sept. 29, 2019, file photo, silver medal winner Justin Gatlin, of the United States, smiles during the medal ceremony for the men's 100m event at the World Athletics Championships in Doha, Qatar. Gatlin and Jamaican Asafa Powell may be late 30-something sprinters but they feel as youthful as ever. There's no retirement talk even with the Tokyo Games delayed for a year due to the coronavirus. (AP Photo/Nariman El-Mofty, File)