High dive modification: The artistic routine continues into and under water, finishing when the diver comes back up for air.
Gymnastics: change into a game of H-O-R-S-E. No stupid judges, one girl does a trick and the others have to match, each girl gets one go and best score at the end wins.
Galley Races: 50 to 60 man ships racing down a river, maybe to the tunes of Miami Sound machine instead of a large kettle drum.
edited to add: My Beloved says I think too small-she’d loved to see trireme races.
The ultimate Olympic sport;
Olympic Calvinball!
Synchronized Equestrian Diving.
Synchronized Equestrian High Diving.
Synchronized Equestrian High Diving Utilizing Fire.
Synchronized Equestrian High Diving Utilizing Fire, and the Horses Get to Ride the People!