DOHA, Qatar — Russia’s doping troubles are nowhere near over. After a head-snapping day of developments from Moscow to Tokyo to the Middle East, the country has new fears that its status at next year’s Olympics could be in jeopardy — and no doubt about where it stands in track and field.

LAS VEGAS — USA Basketball managing director Jerry Colangelo said Sunday that he is not worried about the Americans’ chances as they begin preparations for the FIBA World Cup, even after a wildly unpredictable process was needed just to fill a training-camp roster for the tournament that sta…

STANFORD, Calif. — Olympic champion Ryan Lochte made an emphatic return to competition Wednesday, swimming the fourth-fastest time by an American in the 200-meter individual medley during a time trial at the Phillips 66 National Championships at Stanford University.

An advocacy group has published a first-of-its-kind comprehensive list of coaches banned from Olympic sports, creating a database of nearly 1,000 people no longer allowed to work in the U.S. Olympic system because of sex-abuse allegations, doping positives and other criminal activities invol…

DENVER — The U.S. Olympic Committee has fired chief of sport performance Alan Ashley in the wake of an independent report that said neither he nor former CEO Scott Blackmun elevated concerns about the Larry Nassar sexual abuse allegations when they were first reported to them.

The U.S. Olympic Committee is moving to revoke USA Gymnastics’ status as the governing body for the sport at the Olympic level, meting out the nuclear option to an organization that has botched its own reorganization in the wake of a sex-abuse scandal involving former team doctor Larry Nassar.

WASHINGTON, D.C. — Senators questioned the sincerity of reforms at the U.S. Olympic Committee, USA Gymnastics and Michigan State University in the wake of sex-abuse scandals — using legal papers, emails and accounts of conversations to portray organizations that still don’t fully grasp the p…

TOKYO — In keeping with the laid-back lifestyle of his sport, Kanoa Igarashi won’t let the pressure of representing Japan overwhelm him when surfing makes its much-anticipated debut at the 2020 Tokyo Olympics.