McLaughlin powered home in 51.46sec, with world champion and 2016 Olympic gold medallist Dalilah Muhammad claiming silver in 51.58.
Tokyo Olympics 2020: Sifan Hassan begins treble quest on Day 4 of athletics, Kendra Harrison hunts for elusive gold
In women's 200m, fresh from retaining her 100m crown, Jamaica's Elaine Thompson-Herah will look to safely negotiate the semis in her bid to make it a double-double and repeat her feat of the 2016 Rio Olympics
Jamaica's Shelly-Ann Fraser-Pryce continues her bid to become the first woman to win a single individual Olympic athletics event three times.
Diamond League: Armand Duplantis clears 6.02 metres, Femke Bol runs fourth-fastest 400m hurdles of all time
Duplantis cleared 6.02 metres before having three efforts at 6.19m, failing all three times in his bid to better the 6.18m mark he made last year.
Kipchoge became the first man to run a sub-two-hour marathon, though the feat wasn’t officially recognized as a world record
Kenya’s marathon world record holder Brigid Kosgei is among five finalists for the Female Athlete of the Year award after the sport’s governing body, World Athletics, narrowed down the initial list of 11 nominees.
World Athletics Championships 2019: Under-fire for empty stands, stifling heat, Qatar sees packed houses in final weekend
The rousing end to the championships provided an upbeat note for a sport that continues to wrestle with a Russian doping scandal, with the country’s federation banned from the event
World Athletics Championships 2019: Dalilah Muhammad breaks world record in 400m hurdles final; Qatar's Mutaz Essa Barshim wins high jump gold
Dalilah Muhammad of the United States stormed to a world record-breaking victory in the 400 metres hurdles as hosts Qatar celebrated a gold medal for high jumper Mutaz Essa Barshim at the World Championships on Friday.
World Athletics Championships 2019: First championships of post-Usain Bolt era seek Jamaican's successor, shake off doping
More than 2,000 athletes from over 200 countries and territories will take part across 10 days of competition at World Athletics Championships in Doha's Khalifa International stadium.
World Athletics Championships 2019: American Dalilah Muhammad relishes prospect of breaking her own 400m hurdles world record
Muhammad's display sliced more than one-tenth of a second off the previous record of 52.34sec, set by Russia's Yuliya Pechonkina in 2003, and has led many wondering if the 52-second barrier may fall
Dalilah Muhammad said she expects her new 400m hurdles world record will be broken sooner rather than later as US runners eye a potential clean sweep at this year's World Championships.
Dalilah Muhammad powered home to win in 52.20sec at rain-soaked Drake Stadium, obliterating the 16-year-old previous world record of 52.34sec set by Russia's Yuliya Pechonkina in 2003.
IAAF World Athletics Championships 2017: Dafne Schippers faces Shaunae Miller-Uibo test in 200m title defence
From Dafne Schippers in women's 200m final to Tianna Bartoletta in long jump final, here are the events and athletes that you should watch out for on Day 8 of IAAF World Championships 2017.
IAAF World Athletics Championships 2017 medal tally: USA dominate with 1-2 finish in triple jump, 400m hurdles
Here's a look at the medals tally after Day 7 of IAAF World Athletics Championships 2017 in London where Americans continued to dominate.
Davinder Singh progresses to javelin throw final, Ramil Guliyev wins 200m at IAAF World Championships
Here are some photo highlights from Day 7 of IAAF World Championships 2017 in London.
Wayde van Niekerk's dreams of emulating legend Michael Johnson's 200m/400m world double lay in tatters on Thursday as Turkey's 9/1 outsider Ramil Guliyev edged the 200m final
IAAF World Athletics Championships 2017: Christian Taylor bids to break 22-year-old triple jump world record
Here are the events and the athletes that you should watch out for on Day 7 of IAAF World Athletics Championships 2017.