Ugandan athlete Joshua Cheptegei sets a new 5,000m world record of 12.35.36 beating a 16-year-old world record set by Ethiopian great Kenenisa Bekele.
Scot Laura Muir beats Kelly Holmes' 1000m British record in the Diamond League in Monaco setting a new time of 2m 30.82s.
Adam Gemili will take on world 200m champion Noah Lyles at Friday's Diamond League meeting in Monaco
Gemili is joined in a stellar field by fellow Briton and heptathlon world champion Katarina Johnson-Thompson, who will compete in the high jump.
Scottish rivals Laura Muir and Jemma Reekie are up against Kenyan Olympic champion Faith Kipyegon in the 1,000m.
A total of 11 reigning world champions are on the start lists.
The event is the first of a Diamond League season shortened because of coronavirus.
Friday, 14 August
19:00-21:00, BBC Red Button, BBC Sport online, BBC iPlayer & Connected TV
Saturday, 15 August
12:00-13:00, Highlights, BBC One
You can also catch-up on all of the action on the BBCiPlayer.
You might want to be the next Mo Farah, or just want to get fit and see how well you can do - either way, athletics can be the sport for you.
It includes a huge variety of disciplines, so whether you want to run, jump or throw you can find an activity that suits you.
From Sprint events to Cross-country you can head over to our club finder page for athletics events near you.