Su speeds into the history books

"Nobody really remembers second and I've felt that twice," he said. "I used that as motivation and hopefully I come out with a few golds."

Greene phoned to wish Coleman congratulations just as the new champion was talking to reporters, and the latter put the call on speaker so everyone could hear.

"Just to have my name up there with those kind of guys is a huge honor," Coleman said after hanging up. "Maurice is someone I can call a friend now and that's great for me."

Meanwhile, three championship records fell as American Kendra Harrison won the women's 60m hurdles (7.70), compatriot Sandi Morris claimed pole vault gold (4.95 meters) and New Zealand's Tomas Walsh retained his shot put title (22.31m).

AP contributed to this story.