Weather, women's 400 hurdles set to sizzle on final weekend
FILE - Silver medalist Sydney McLaughlin, left, and gold medalist Dalilah Muhammad, both from the United States, pose during the medal ceremony for the women's 400m hurdles at the World Athletics Championships in Doha, Qatar, in this Saturday, Oct. 5, 2019, file photo. The most anticipated race of the U.S. track and field trials may be the women's 400 hurdles, where world record holder Dalilah Muhammad tries to hold off the up-and-comer Sydney McLaughlin. (AP Photo/Nariman El-Mofty, File)

FILE - Silver medalist Sydney McLaughlin, left, and gold medalist Dalilah Muhammad, both from the United States, pose during the medal ceremony for the women's 400m hurdles at the World Athletics Championships in Doha, Qatar, in this Saturday, Oct. 5, 2019, file photo. The most anticipated race of the U.S. track and field trials may be the women's 400 hurdles, where world record holder Dalilah Muhammad tries to hold off the up-and-comer Sydney McLaughlin. (AP Photo/Nariman El-Mofty, File)

Jun. 23, 2021 09:17 AM EDT
FILE - Dalilah Muhammad, left, of the United States, finishes ahead of Sydney Mclaughlin, right, also from the United States, to win the the women's 400 meter hurdles final and set a new world record at the World Athletics Championships in Doha, Qatar, in this Friday, Oct. 4, 2019, file photo. The most anticipated race of the U.S. track and field trials may be the women's 400 hurdles, where world record holder Dalilah Muhammad tries to hold off the up-and-comer Sydney McLaughlin. (AP Photo/David J. Phillip, File)

FILE - Dalilah Muhammad, left, of the United States, finishes ahead of Sydney Mclaughlin, right, also from the United States, to win the the women's 400 meter hurdles final and set a new world record at the World Athletics Championships in Doha, Qatar, in this Friday, Oct. 4, 2019, file photo. The most anticipated race of the U.S. track and field trials may be the women's 400 hurdles, where world record holder Dalilah Muhammad tries to hold off the up-and-comer Sydney McLaughlin. (AP Photo/David J. Phillip, File)

Jun. 23, 2021 09:15 AM EDT
Noah Lyles competes in the second semi-final of the men's 100-meter run at the U.S. Olympic Track and Field Trials Sunday, June 20, 2021, in Eugene, Ore. In first notable demonstration of the track trials, Lyles made a subtle gesture, wearing a black glove — minus the fingers on his left hand, and raising his fist when he was introduced before the race. (AP Photo/Ashley Landis)

Noah Lyles competes in the second semi-final of the men's 100-meter run at the U.S. Olympic Track and Field Trials Sunday, June 20, 2021, in Eugene, Ore. In first notable demonstration of the track trials, Lyles made a subtle gesture, wearing a black glove — minus the fingers on his left hand, and raising his fist when he was introduced before the race. (AP Photo/Ashley Landis)

Jun. 21, 2021 06:03 PM EDT
FILE - Dalilah Muhammad, left, and Sydney McLaughlin, both of the United States, compete in the women's 400m hurdles event during the IAAF Diamond League at Bislett Stadium in Oslo, Norway, in this Thursday, June 13, 2019, file photo. McLaughlin went on to take first place. The most anticipated race of the U.S. track and field trials may be the women's 400 hurdles, where world record holder Dalilah Muhammad tries to hold off the up-and-comer Sydney McLaughlin. (Lise Aserud/NTB scanpix via AP, File)

FILE - Dalilah Muhammad, left, and Sydney McLaughlin, both of the United States, compete in the women's 400m hurdles event during the IAAF Diamond League at Bislett Stadium in Oslo, Norway, in this Thursday, June 13, 2019, file photo. McLaughlin went on to take first place. The most anticipated race of the U.S. track and field trials may be the women's 400 hurdles, where world record holder Dalilah Muhammad tries to hold off the up-and-comer Sydney McLaughlin. (Lise Aserud/NTB scanpix via AP, File)

Jun. 23, 2021 09:15 AM EDT
FILE - Dalilah Muhammad, left, of the United States, finishes ahead of Sydney Mclaughlin, right, also from the United States, to win the the women's 400 meter hurdles final and set a new world record at the World Athletics Championships in Doha, Qatar, in this Friday, Oct. 4, 2019, file photo. The most anticipated race of the U.S. track and field trials may be the women's 400 hurdles, where the world record holder Dalilah Muhammad tries to hold off the up-and-comer Sydney McLaughlin. (AP Photo/David J. Phillip, File)

FILE - Dalilah Muhammad, left, of the United States, finishes ahead of Sydney Mclaughlin, right, also from the United States, to win the the women's 400 meter hurdles final and set a new world record at the World Athletics Championships in Doha, Qatar, in this Friday, Oct. 4, 2019, file photo. The most anticipated race of the U.S. track and field trials may be the women's 400 hurdles, where the world record holder Dalilah Muhammad tries to hold off the up-and-comer Sydney McLaughlin. (AP Photo/David J. Phillip, File)

Jun. 23, 2021 09:14 AM EDT