Highlights from the 2017 USA outdoor track and field championships

Aleec Harris (second from right) edges Aries Merritt (center) and Devon Allen to win the 110 hurdles. w

Dalilah Muhammad wins the women's 400 hurdles in 52.64.

Ameer Webb celebrates after winning the 200 in 20.09.

Elijah Hall-Thompson of Houston (left) celebrates with Houston Cougars assistant coach Carl Lewis after placing third in the 200.

Jarrion Lawson lands a in the sand during the men's long jump. He won with a leap of 8.49 meters.

Ajee Wilson and Charlene Lipsey go 1-2 in the women's 800.

wins the U.S. steeplechase title for the sixth time.

Deajah Stevens of Oregon was a surprise winner in the 200.

Ryan Crouser wins the shot put with a throw of 74-3 3/4 (22.65m).

Men's 400m hurdles winner Eric Futch (R), poses with runner-up Michael Stigler (C) and third-place finisher T.J. Holmes.

Donovan Brazier celebrates after winning the 800.

Bryan McBride (right) and Ricky Robertson Jr. went 1-2 in the high jump.

Christina Manning, Dawn Harper, Kendra Harrison, and Nia Ali, from left, pose for photos with U.S. flags after running the women's 100 hurdles at the USA track and field championships in Sacramento on Saturday. They will represent the USA in the event at the worlds.

Sam Kendricks wins the pole vault at 19-8 1/4 (6.00m).

Tianna Bartoletta soars to the long jump title with a leap of 23-1 3/4.

Fred Kerley of Texas A&M wins the 400, his first U.S. title.

Emma Coburn wins the women's steeplechase for the sixth time.

Mason Finley won the discus.

Raven Saunders wins the women's shot put, upsetting gold medalist Michelle Carter.

Eric Futch of Florida advances to the final in the 400 hurdles. Veteran Bershawn Jackson, left, was eliminated.

Devon Allen wins his heat in the 110m hurdles.

Jenny Simpson defeats Kate Grace to win the wonen's 1,500.

Noah Lyles wins a 200m heat,

Shadows fall on Ajee Wilson during the 800 semifinals on Friday at the U.S. track and field championships in Sacramento.

Will Claye wins the triple jump at 58-9 1/4 (17.91m).

Brenda Martinez (right) and Raevyn Rogers of Oregon in the 800 semifinals.

Vashti Cunningham wins the women's high jump at 6-6 1/4 (1.99m).

Trey Hardee, shown here in the pole vault, won the decathlon.

Shelby Houlihan (right) outsprints Shannon Rowbury to win the 5,000.

Paul Chelimo celebrates after winning the 5,000 in a meet record 13:08.62.

Sydney McLaughlin advances to the 400 hurdles semifinals.

Justin Gatlin, left, edges Christian Coleman in the 100 final at the U.S. championships in Sacramento on Friday.

Christopher Belcher, who finished third in the 100, will compete for the USA in the world championships in London.

Tori Bowie (right) wins the 100. Ariana Washington of Oregon was third.

Michael Norman of Southern California advances to the final in the 400.

Former Florida Gators triple jumpers Will Claye (left), Omar Craddock (center) and Christian Taylor. Claye won the title, and Taylor is the reigning world and Olympic champ.

Hassan Mead wins the 10,000 on Thursday in Sacramento to close Day 1 of competition.

Molly Huddle runs to victory in the 10.000.

Shalane Flanagan drops to the track after finishing fourth in the 10,000.

Emma Coburn clears a hurdle in the in the first round of the 3,000 steeplechase.

Matthew Centrowitz in a crowd in the first round of the 1,500.

Jenny Simpson leads the pack in the first round of the 1,500.

Ajee' Wilson runs in the advances in the 800.

Brenda Martinez advances in the 800.

Gia Lewis-Smallwood takes a victory lap with a after winning the women's discus.

The water jump in the women's steeplechase.

Alysia Montano, with daughter Linnea, after the 800. Montano is four months pregnant.

Triple jump champ Keturah Orji of Georgia.

Christian Coleman was the top qualifier in the Round 1 of the 100. Tyson Gay failed to advance.

Jun 22, 2017, Sacramento, CA, USA; Gabe Grunewald, (right), who is undergoing chemotherapy for metastatic cancer, talks with Kate Grace after running in Round 1 of the 1,500. Grace advanced to the final.

Tori Bowie was the top qualifier in the 100.

Alex Young wins the hammer with a throw of 241-11 (73.75m).

Gabriel Moore kicks up some sand in the decathlon long jump.

Devon Williams stretches for the pit in the decathlon long jump. Williams jumped 7.74 meters and led after two events.

Zach Ziemek moved to second place overall in the decathlon after a long jump of 7.69 meters.

Veteran Trey Hardee in the decathlon 100. He ran 10.57 to earn 959 points.