D.C. Council Chairman Kwame R. Brown is gearing up for the race of his life, and it’s not his 2014 reelection campaign.

Brown (D), 40, has been quietly training for a triathlon, convinced it’s time to fulfill his long-held dream of biking, running and swimming a combined 30 miles. 

Brown, who often boasts of his athletic abilities, plans to enter the sixth annual The Nation’s Triathlon, which will be held in the District on Sept. 11.  To prepare, Brown says he has been biking and running up to two dozen miles and trying to combat his fear of being able to successfully swim a mile in the Potomac River.

“I’ve always wanted to do one, but the problem is the Potomac River swim,” Brown said. “But I’m 40, and I figured it’s time to do it, and I don’t have to fly anywhere or go anywhere.”

Brown will be following in the footsteps of former mayor Adrian M. Fenty (D), who completed several triathlons while serving as the city’s chief executive from 2007 until January. Fenty’s aggressive training schedule opened him up to criticism that he was skirting his responsibilities as mayor, but Brown has kept a lower profile.  

Brown plans to compete even though he’s currently wearing a knee brace. Brown injured his leg during council vs. police softball game, but said it has so far not slowed down his training schedule.

“I keep going,” Brown said as he limped toward the mail truck he drives to work. “It doesn’t make a difference. I’m always the underdog.”

 Still, like a good politician, Brown is working to keep expectations in check.

“I’m going to finish, but not going to break any records,” he said.