At Sunday’s Nation’s Triathlon, one daring soul rode the 25-mile cycling segment on a Capital Bikeshare bike. We tracked him down and asked him why, how hard it was and whether he’ll ever do it again.

Some triathletes ride ultra-light and aerodynamic bikes when in competition. Others ride 40-pound beasts with three gears. We salute them.

The Nation’s Triathlon is this Sunday, which means running, cycling and people plunging into the Potomac.

The Washington Examiner reports that a Nation’s Triathlon competitor died of a heart attack Sunday during the bicycle portion of the course.

A number of roads throughout the D.C. area will be closed for the Nation’s Triathlon this weekend. We’ve got a list of them, so you can plan ahead.

Local meteorologist Alex Liggitt reports the news that the aquatic portion of this weekend’s Nation’s Triathlon has been cancelled.

We already knew that D.C. Council Chair Kwame Brown was a hot yoga enthusiast. But a triathlete?

Sunday’s Nation’s Triathlon was a pretty big deal — there have been claims that the number of registered participants — including Mayor Adrian Fenty — may have broken a Guinness World Record. The event, which involved a 1.5 kilometer swim, a 40 kilometer bike ride and a 10 kilometer run, was won by Robert Wade on the men’s side (who finished with a 1:57:13) and Peggy Yetman on the women’s side (she finished in 2:07:20). The Tri is always a prime opportunity to capture some of the best action photography in the District — Swim Bike Run Photography, a collective of local photographers, was on hand and kindly allowed us to show off their work to the world.

Looks like quite a few of you went down to cheer on competitors in this past weekend’s 3rd annual Nation’s Triathlon. William Schultz, 39, took first place in the challenging 1.5K swim in the Potomac River, 40K bike route and 10K run through downtown D.C., with a time of 2:01:50. Megan Knepper was the first woman to cross the finish line, at 2:17:37. And the District of Columbia’s most famous participant, Mayor Adrian Fenty, took…