Fred Kerley ran 100 meters in a pedestrian 9.97 seconds to win the Enhanced Games in a race where the sprinters were placed in the starting blocks four times because of false starts and untied shoes.

Sprinter Fred Kerley says he isn't taking performance enhancers as he embarks on the next phase of a career that officially kicks off Sunday at the Enhanced Games, where drugs are allowed.

The event that tackles the age-old question, “What would happen if we just let all the athletes take drugs?”.

Sprinter Fred Kerley has received a two-year ban for missing drug tests — a suspension that shouldn’t impact the 30-year-old former world champion because he has signed to run in a league that does not prohibit performance enhancers.

The Enhanced Games is going public in two ways — with a new listing on the Nadsaq stock exchange and also by offering a direct-to-consumer business focused on performance products.

Former world sprint champion Fred Kerley has become the first track athlete to join the no-drug-testing Enhanced Games.

Noah Lyles captured the 100-meter world championship by finishing in 9.83 seconds for a victory that reshuffled the deck for next year’s Olympics and cements him as the world’s No. 1 sprinter.

Ryan Crouser defended his shot put title at the world championships with an improbable performance.

American sprinters Noah Lyles and Fred Kerley are bringing some smack talk and even a bit of fun back to track just in time for the run-up to next year's Paris Olympics.

Gabby Thomas held off Sha’Carri Richardson with the best time in the world this year to win the women’s 200 meters at the U.S. track and field championships.

British 1,500-meter champion Jake Wightman was in disbelief after he crossed the finish line.

Noah Lyles celebrated his 25th birthday by running the fastest time in 200-meter qualifying at world championships, a 19.98-second romp that he punctuated by playfully wagging his finger at the six other sprinters straggling behind.

Fred Kerley led the first American sweep of the 100 meters at the worlds in 31 years, barely edging teammates Marvin Bracy and Trayvon Bromell to stamp a red-white-and-blue exclamation point on the first championships ever held in the United States.

Allyson Felix has “no regrets” after a seventh-place finish in the 200 meters of what was likely her final Diamond League meet.

Olympic gold medalist Elaine Thompson-Herah of Jamaica held off American Sha’Carri Richardson in the 100 meters at a rainy Prefontaine Classic on Saturday.

Jamaican Elaine Thompson-Herah bested her gold-medal winning time in Tokyo at the Prefontaine Classic on Saturday, and Sha’Carri Richardson finished last in her return to the track after controversy.

Sha’Carri Richardson is set to compete again after missing the Tokyo Olympics because of a positive marijuana test.

"Give us more practice and we’ll be fine." After another disappointing showing, one member of the United States men's 4x100 relay offered up a potential solution.

A slow exchange left the American 4x100-meter relay team out of medal contention at the Olympics.

Marcell Jacobs, in one of the great from-out-of-nowhere stories in Olympic history, ran 9.8 seconds Sunday to win the men’s 100-meter final.

The Texas-born sprinter becomes the first Olympic men's 100m gold medalist not representing the United States or Jamaica since Canada's Donovan Bailey in 1996.