I actually like the swim and the bike and it is the run I want to get rid of. I propose a pizza or ice cream eating contest at the end. Makes training a whole lot more fun. Say good-bye to the guilt
beer bong
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I think it would be cool to skate the final 10K of an olympic race, pretty low impact training too. Of course I used to be a speed-skater so it would really benefit me.
jaretj
That would be my type of tri. I’d podium much higher without the run.
I"ll still propose the swim-bike-roller blade idea.
Full contact sparring. 
that’s a damn fine idea…us clydesdales would be winning a lot more races
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I always like the Alternative Triathlon at Island Lake. It was swim, skate, mtb.
That sounds cool, I’m going to do a swim, mt bike, trail run there this weekend on my own.
jaretj
Rock Climbing!!!
Swim, Bike then grab your ropes and up the face of a cliff – first to the top wins.
I’m in!
10 years ago I’d have been all over the swim/bike/climb, but since trashing my rotator cuffs in a whitewater incident, I’ve since retired. I’m still good for a few rounds though. 
What about people hating biking? Or those, who do not like neither swimming nor biking nor running? Or even those who hate sports?
Serious Clyde that I am, I have often, very often thought that marathons should end with a cage match, or something similar to even up the game against those skinny little runts.
How about a mean game of poker?
Maybe we should have to pole vault into the transition area.
How about a tri where you get a random bike 20 minutes before the race.
Swim, bike, swim?
Kayak.
how about that thing that they do to see what woman will get married next. Hoop roll?
Talking about random stuff. When I was speedskating we used to have an event called a Pick-A-Partner relay. They would pull two names out of a hat and have them skate a relay together. Good way to meet someone new and learn from. Maybe a prologue with a random partner a day before a big event would be fun.
co-ed wrestling?