Julien Alfred cruised in her opening-round heat of the 200 meters the morning after the sprinter from St. Lucia won the Olympic 100.

Jamaican sprinter Shericka Jackson pulled out of the women’s 200 meters and will not race for an individual medal at the Paris Olympics.

Elaine Thompson-Herah, the two-time reigning Olympic champion at 100 and 200 meters, will miss the Paris Games because of what she said is a small tear in her Achilles tendon.

Elaine Thompson-Herah, the two-time defending Olympic champion at 100 and 200 meters, had to be helped from the track after appearing to hurt her Achilles tendon in a race at the USATF New York City Grand Prix.

Here's what's happened in the track and field world since the Tokyo Olympics.

In some ways, track and field served up a tantalizing preview of what’s to come next year at the Paris Olympics.

Jamaica's Shericka Jackson is now a world champion after a mistake led to an early exit at the Tokyo Games.

Alison Dos Santos of Brazil powered down the homestretch to take the 400-meter hurdles title at the world championships.

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.

Shelly-Ann Fraser-Pryce sped her way back to the top of the sprint game, winning her fifth world title at 100 meters by leading a Jamaican sweep and knocking off the reigning Olympic champion, Elaine Thompson-Herah.

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.

The Tokyo Olympic Games saw five-time Olympian Allyson Felix win two medals to surpass Carl Lewis as the most decorated U.S. track and field athlete in history; two extraordinary 400m hurdles world record-breaking finals; a women's sprint triple, completing the first double-double; and much, much more.

Over nine days at the near-empty Olympic Stadium, the women of track and field delivered a memorable show.

Marcell Jacobs backed up his shocking 100-meter victory with another totally unexpected gold for Italy in the 4x100-meter relay at the Olympics.

Elaine Thompson-Herah completed Bolt-esque sprint triple at the Tokyo Olympics, winning gold with Jamaica on the women's 4x100m relay team.

Facebook Inc mistakenly blocked gold medallist sprinter Elaine Thompson-Herah, the fastest woman in the world, from her Instagram account, the company said on Wednesday.

Elaine Thompson-Herah of Jamaica won the 200-meter gold medal to complete her second straight Olympic sprint sweep.

Elaine Thompson-Herah is the first woman to successfully defend an Olympic sprint double.

The women’s semifinals are set in beach volleyball after a pair of upsets.

Thompson-Herah, seeking a second successive Olympics sprint double after bagging the 100m gold, matched her personal best from 2015 of 21.66 seconds.

Elaine Thompson-Herah, the Rio 2016 champ, ran 10.61, the second-fastest time ever, an Olympic record, one-hundredth of a second faster than the famed Florence Griffith-Joyner, who had run 10.62 at the 1988 Games in Seoul. FloJo still holds the world record, 10.49, also set in 1988.

Jamaican women have now won the last four Olympic golds in the 100m.

Katie Ledecky made more history for the U.S. in the pool.

Elaine Thompson-Herah broke Florence Griffith Joyner’s 33-year-old Olympic record in the women’s 100 meters.