In Heat 4 round 1 of the women's 100 meters , Blessing Okagbare of Nigeria came out of the blocks looking as confident as possible as she improved her personal record setting a new time for herself with a time of 10.93 seconds beating the USA's Tiana Madison who ran a 10.97 seconds.  In the heat with her was also fellow African, Congo's Lorene Bazolo who finished 8^th with a time of 11.90 seconds and will not be moving to the next round.

Earlier it was Gloria Asumnu clocking a time of 11.13 seconds coming in 3^rd behind Jamaica's Veronica Campbell Brown and Ivet Lalova of Bulgaria making it into the next round in Heat 3. In the same heat was Saruba Colley of the Gambia who went on to set a new national record for women of 12.06 seconds even though she finished 8^th and will not be moving on to the next round, as well as Phobay Kutu-Akoi of Liberia who ran an impressive 11.52 seconds finishing 6^th and will also not be moving to the next round.

Gabon's Zang Milama Ruddy was 3^rd in Heat 5 with a time of 11.14 seconds behind Allyson Felix of the USA and Rosângela Santos of Brazil and will be in the next round.

In Heat 6 was Togo's Bamab Napo who finished 8^th with a time of 12.35 seconds and will not be moving on.

Finally it was Muriel Ahoure who has once again went on to improve her personal best time and set a new national record for the Ivory Coast as she won her Heat (7) with a time of 10.99 seconds making the next round a very interesting one. In Heat 7 with Ahoure was All African Games 100 meters Champion Oludamola Osayomi who finished 4^th with a time of 11.36 seconds  failing to move on to the next round as well as Delphine Atangana of Cameroon who finished 7^th with a time of 11.82 seconds and also fails to move to the next round.