Everyone is doing triathlons these days. Jennifer Lopez and Matthew McConaughey just did one last weekend. Felicity Huffman did a triathlon last year. Even the ladies at Elastic Waist have created the Lazy Waister's Triathlon, spreading the mileage out over the course of five weeks.
Another way to approach the triathlon is to enter as a team and split up the different legs of the race with two other friends. It is a great way to try a tri and is much less daunting than doing the entire race yourself. So if you were to make a team with your friends . . .