We could have

Water polo - with ponies (shallow water guys - I'm not drowning ponies on this site)
or
Head the hammer - an olympic style hammers is thrown and you have to head it back.
or
Catch the Javelin
or
Pole vaulting (or Finn vaulting if there are not enough people from Poland in the area.
or
Fencing - Who puts up the longest fence in 5 minutes
or
100 meters (a person has to read 100 (gas/electric) meters
or
Synchronised drinking
or
A marathon where the winner must do a lap of honour to claim the prize.

Where do I sign....

Daveboy