The athlete who perhaps best summed up the meaning of track’s new experiment, the Ultimate Championship, isn’t an ultimate champion herself.

Allyson Felix was named to her 10th world championships team, where she will have a chance to run in the mixed relay event and add to her record medal collection.

Olympic champion Sydney McLaughlin broke her own world record in the 400-meter hurdles as the U.S. outdoor track and field championships on Saturday.

Catch up on all the biggest records set at the Tokyo Olympic Games.

Sydney McLaughlin of the United States broke her world record Wednesday and won the Olympic 400-meter-hurdles gold.

American Sydney McLaughlin obliterated her own 400m hurdles world record from U.S. Trials by nearly a half-second in 51.46, unseating defending Olympic champion teammate Dalilah Muhammad for gold at the Tokyo Olympics.

Sydney McLaughlin has been in the spotlight for five years, ever since making the Olympic team in 2016 as a 16-year-old. But now, as a gold medalist, it’s going to be an entirely different level.

Despite a torrential downpour, Sydney McLaughlin outclassed the field in her race while Muhammad comfortably won to both make the final, McLaughlin's first.

Simone Biles will at last return to Olympic competition Tuesday on Day 11 of the Tokyo Games.

Sydney McLaughlin is moving on to the semifinals at the Tokyo Olympics after an impressive prelim victory.

The so-called playbook for athletes at the Tokyo Olympics provides a guide to a “safe and successful Games."

Bookended by and including two world records, these are the top moments from a phenomenal, historic U.S. Olympic Track and Field Trials in 2021.

Both make their second Olympic teams and head to Tokyo as the clear favorites to battle for gold.

Sydney McLaughlin set a world record in the 400-meter hurdles at the U.S. track and field trials, running the event in 51.90 seconds.

Finals in men's 200m, women's 400m hurdles, men's 1500m and women's 800m; heptathlon 800m; and more from Day 10 of U.S. Track & Field Trials at Hayward Field.

Hurdler Sydney McLaughlin’s knee was bloody.