Originally Posted by runningDoc

when you get your new road bike do this:

join up for a group ride with aforementioned group. ride along like business as usual. then break out the clip on aero bars that you've hidden under your bibs. bolt on the aerobars like a stealthy ninja when you're at the back. After bolting on the aerobars... break out the time trial helmet also hidden under your bibs...

hammer out from the back into the lead... and keep on hammering until you reach the changing station you set up the night before. clip out strip down, throw on your newton running shoes and running attire and finish your impromptu biathalon (or tri if you decide to swim before the group ride meet up).