efficiency, comfort and dragHHalf-Ironman1.9K swim; 90K cycle; 21K run. See also, Ironman.HybridA bike somewhere between a mountain bike and a road bike. Good for all-round use.IIMIronman distance (2.4-mile/3.8K swim, 112-mile/180K bike, 26.2-mile/42.2K run

gears work, what to wear on the bike, how to take a corner with confidence and what a derailleur is. And does. And how to spell it.1. Bikes for beginnersBecoming involved in triathlon doesn't mean you have to spend thousands of pounds on a top

interval-based," says Dixon. "Try a session where you do 10 seconds hard, 10 seconds easy, 20 seconds hard, 20 seconds easy, all the way up to 60 seconds and back down again."This session can be done on a gym bike, a turbo bike or out on the road. Another