Noah Lyles

On Thursday, the United States will attempt to be the first American to win both the Olympic sprint and the Olympic marathon double in over 40 years.

The women's marathon 10km swimming race started early in the morning after the water quality tests on the Seine met the thresholds.

All day long, more than 30 medals in the following sports will be awarded: athletics, sailing boxing taekwondo wrestling track cycling

What you should know about Thursday's Olympics:

SPRINT DOUBLE LYLES FOR LYLES

Lyles, newly-crowned world's fast man, returns to the track to try and complete his prestigious sprint triple by winning the 200m title in addition to last week's 100m win.

Lyles would be the first American since Carl Lewis to have achieved the Sprint Double.

DOPING

China's Anti-Doping Agency (CHINADA), on Thursday, urged the International Testing Agency.

to intensify testing

U.S. athletes after Erriyon K Knighton, an American sprinter, tested positive for trenbolone.

Knighton was found to have trenbolone in his system this year, but he was not banned from the Paris Games because an arbitrator determined that the likely cause of the test was contaminated meat.

SMARATHON SWIMMING

Sharon van Rouwendaal, of the Netherlands, won gold in women's marathon 10km swimming. She took the lead from Australian Moesha Johnston late on the last lap. Italy's Ginevra Tadddeucci took home the bronze.

This grueling event involves a 1,67km loop that is completed six times on the river running through France's capital.

Retired PHOGAT

Vinesh Phogat has said that she is a

Retired from Wrestling

Following the Indian disqualification from the final of the 50kg women's freestyle at the Olympics, on Wednesday.

Phogat, 29, was to compete with American Sarah Hildebrandt to win the gold but fell short by 100 grams despite spending hours in the Sauna to lose weight.

CARRINGTON GOES IN SEARCH OF SEVENTH MEAL

First medals are on the line in the sprint canoe and Lisa Carrington will be looking to increase her five-gold and three-bronze haul when she competes in women's four-500m kayak.

Hall snatches gold in the 400m

Quincy Hall, in athletics produced an amazing late surge that allowed him to overtake Briton Matthew Hudson Smith and win the first Olympic 400 metre gold medal for the United States of America since 2008. This was another thrilling and dramatic race held on Wednesday.

TAIWANESE LIN EASES TO THE FINAL OF WOMEN’S BOXING

Lin Yu-ting of Taiwan, who is one of the two boxers in the middle of a dispute over gender at the Paris Olympics has moved closer to winning the Olympic gold medal after she defeated Turkey's Esra Yaldiz on Wednesday by unanimous vote.

(source: Reuters)