Olympics 2021 updates: Allyson Felix will race for gold, Sydney McLaughlin breaks own world record

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More Olympic action? More Olympic action. The Tokyo Games rolled on at -- wait for it -- the track. Allyson Felix started Wednesday morning by booking a trip to the 400-meter final. In the much-anticipated men's 200-meter final, Canadian Andre De Grasse defeated Americans Kenneth Bednarek, Noah Lyles and Erriyon Knighton for the gold.

Earlier on the track, Sydney McLaughlin broke Dalilah Muhammad's record in the 400-meter hurdles during Olympic trials, and the 21-year-old American broke her own record by nearly half a second in the Olympic final, finishing in 51.46 seconds, 0.12 seconds faster than Muhammad, to win her first gold medal.

Breanna Stewart, Brittney Griner and the U.S. women's basketball team routed Australia 79-55 to advance to the semifinals, where Serbia awaits.

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If you're thinking that we probably have you covered with updates of all the Tokyo action as it unfolds, you're not wrong.

De Grasse wins 200 meters

In a field loaded with high-profile North Americans, Canadian Andre De Grasse defeated Americans Kenneth Bednarek, Noah Lyles and Erriyon Knighton to win the gold medal. He is the first Canadian since Percy Williams in 1928 to win the event.

Felix will race for gold

With nine medals, Felix is tied with Jamaican Merlene Ottey-Page for the most career Olympic medals by a female track athlete. In her final Games, Felix will race to break the mark after earning a spot in the 400-meter finals.

Sydney McLaughlin wins gold

USA's Sydney McLaughlin set a world record of 51.46 seconds -- her second record in two months -- in the 400-meter hurdles, overtaking rival/defending champion Dalilah Muhammad to win her first Olympic gold medal. Muhammad won the silver medal in 51.58, which broke McLaughlin's previous world record that she set during Olympic trials.

Read more: McLaughlin-Muhammad race lived up to the hype

Heartbreaking but awe-inspiring

British heptathlete Katarina Johnson-Thompson pulled up injured during her 200-meter heat. She was disqualified from the race for leaving her lane, but refused to be helped off the track and made it to the finish line.

History on the mat

Tamyra Mensah-Stock became the first American Black woman to win Olympic gold in wrestling, defeating Nigeria's Blessing Oborududu 4-1 in the women's 68-kilogram freestyle wrestling final on Tuesday.

Stewie's strong game leads USA women's hoops

Breanna Stewart's rΓ©sumΓ© is already filled with two WNBA titles, one WNBA MVP, four NCAA tournament titles (and MOPs) and one Olympic gold medal. With Wednesday's victory over Australia, she moved one step closer to a second Olympic gold.

Stewart, 26, scored 20 of her game-high 23 points in the first half as Team USA routed Australia 79-55 to advance to the Olympic semifinals, where Serbia awaits (12:40 a.m. ET Friday).

America's gold hopes stay alive on diamond

Scott Kazmir threw five scoreless innings and Triston Casas and Tyler Austin both homered as the U.S. baseball team staved off elimination with a 3-1 win over the Dominican Republic. The U.S. will face the loser of Japan and South Korea in the semifinals at 6 a.m. ET on Thursday.

Daily Daley knitting update

Tom Daley won a gold medal for Great Britain in the men's synchronized 10-meter platform dive on July 26. What has he done in Tokyo since? Knit.

Park skateboarding makes Olympic debut

Park skateboarding made its Olympic debut Wednesday as the women dropped into the course at Ariake Park in Tokyo. Sakura Yosozumi of Japan became the first gold medalist in park skateboarding history. With her win, Japanese skateboarders have captured all three gold medals in the sport's debut in Tokyo. Only men's park skateboarding remains on Thursday.

Twelve-year-old Kokona Hiraki of Japan recorded a 59.04 thanks to a kickflip indy grab above the coping and a variety of lip tricks, grinds and aerial tricks, helping her earn silver. Thirteen-year-old Sky Brown of Great Britain won bronze.

Read more: Zion Wright's path to the Olympics

Dancin' Devon Allen highlights men's 110-meter hurdles

Twenty-six-year-old American Devon Allen, who finished fifth in the men's 110-meter hurdles finals at the 2016 Rio Olympics, is one step closer to an Olympic medal in Tokyo, finishing first in his semifinal heat, qualifying for Wednesday's finals (10:55 p.m. ET). Allen finished his heat in 13:18 and celebrated with a few dance moves.

Not to be outdone, the world champion and the second-fastest man in the 110-meter hurdles, USA's Grant Holloway, cruised in his semifinal heat. Favored to win his first Olympic gold medal during the finals, Holloway ran the fastest semifinal time (13:13).

Simone and Swift

Simone Biles won bronze on the balance beam in the last day of event finals, and her journey captured the attention of legendary artist Taylor Swift, who tweeted, "I cried watching YOU."