Belgian Julien Watrin, Belgian Dylan Borlee and Belgian Jonathan Sacoor are honoured at the start of the 2018 edition of the AG Insurance Memorial Van Damme IAAF Diamond League athletics meeting, Friday 31 August 2018 in Brussels. BELGA PHOTO JASPER JACOBS

Great Britain Laura Muir reacts after the 2018 edition of the AG Insurance Memorial Van Damme IAAF Diamond League athletics meeting, Friday 31 August 2018 in Brussels. BELGA PHOTO JASPER JACOBS

Bahamas Shaunae Miller - Uibo pictured in action during the women's 200m race at the 2018 edition of the AG Insurance Memorial Van Damme IAAF Diamond League athletics meeting, Friday 31 August 2018 in Brussels. BELGA PHOTO JASPER JACOBS

Belgian Jonathan Sacoor and Belgian Kevin Borlee react after the men's 400m race at the 2018 edition of the AG Insurance Memorial Van Damme IAAF Diamond League athletics meeting, Friday 31 August 2018 in Brussels. BELGA PHOTO JASPER JACOBS