Change One Letter Only of a Sport or Athletic Event to Make a New One,

[Dusty_Fryer]

Bisketball;
Two teams of people who cannot spell throwing a small baked unleavened cake around a court.

 

[Goldstone1976]

Pommel Horse --> Rommel Horse.

Competitors take it in turns to leap on and off a WWII general's back-up mode of transport.

 

[Gullflyinghigh]

Bungee Jump - Bungle Jump

Exactly the same as the normal bungee jump, but with participants required to be dressed as, and in the character of, Bungle from 'Rainbow' the entire time.

 

[Lankyseagull]

Speedway --> Speedsay - competitors run around a shale covered oval talking as quickly as they can.

 

[Pavilionaire]

Tabletennis > Cabletennis. A game played with two bats, a table, a net and a freshly-laid turd.

 

[Goldstone1976]

Pantathlon. A sport where competitors have to pant in five different ways - the most amusing routine wins.

 

[father_and_son]

Pummel Horse... A drunk, chav girl beats a horse with both fists, screaming "why don't you love me?", until her friends drag her off and back into the nightclub.

 

[mejonaNO12 aka riskit]

Pope Vault

 

[Lankyseagull]

Cricket --> Bricket - competitors try to hit lumps of masonry around a field with a length of willow.

 

[father_and_son]

Floor Exercise/ Flour Exercise... competitive bread making

 

[Goldstone1976]

Lecrosse. lacrosse for men.

 

[Guy Fawkes]

100 metres --> 100 mitres
A race over where competitors sprint it out to see who is the quickest to run over 100 ceremonial Bishop head-dresses.

Lots of other varients on this exist iincluding ones like the 200 mitres, 400 mitres and the 10,000 mitres

 

[Badger]

Bakeball - teams take it turns to hit bread rolls with bat.

 

[Simster]

Baseball -> Babeball

Like baseball, but played by scantily clad ladies who when they are out are expected to take off their tops and walk slowly to the dug out.

 

[Goldstone1976]

Packpacking --> Rackpacking. Competitive bra-stuffing.

 

[father_and_son]

Gregg-0-Roamin Wrestling... Travelling around the North West of England sampling sausage rolls from a well known bakery chain

 

[Gullflyinghigh]

Squash --> Squath

Small children chase their parents around with squash rackets demanding Ribena by shouting 'Squath' the entire time. Winner is the first to either a) fill their glass or b) cripple their parent

 

[mejonaNO12 aka riskit]

American 9 ball poop

Farts

 

[Badger]

Casketball - Like basketball except the baskets are replaced with open coffins

 

[Moshe Gariani]

Bricket

Participants race against the clock to create environmentally friendly paper logs