Video content Video caption: Gaitlin wins 100m gold as Bolt finishes third Gaitlin wins 100m gold as Bolt finishes third

Worth watching just once more before you head to bed.

It wasn't the storyline most wanted, but it was the whole lot more dramatic.

Join us tomorrow for the conclusion of the heptathlon and a 100m final where Jamaican Olympic champion Elaine Thompson will attempt to take up the title that her pregnant compatriot Shelly-Ann Fraser-Pryce won in 2015.

Bye for now.