Complex sentence: Elaine Thompson, silver medallist from 2015 and Olympic champion did not compete, so didn't Tori Bowie, world leader and 100m champion, following her fall after dipping hard to take the gold a few days earlier.
Split into simpler sentences: Elaine Thompson, silver medallist from 2015 and Olympic champion did not compete. Also missing was Tori Bowie, world leader and 100m champion, following her fall after dipping hard to take the gold a few days earlier.