Cycling

"I am not here to be champion. I am here to prove that at 105 years old you can still ride a bike," Frenchman Robert Marchand said.

Days after he said bike lanes can cause "too much of a problem" for London drivers, a video emerges showing Transport Secretary Chris Grayling's car door striking a passing cyclist near Parliament.

In Burlington, Vt., the city's Department of Public Works is giving citizens the permission and the tools to remake their own streets. But not everyone thinks that's a good idea.

Cyclist Kristin Armstrong, who won Olympic gold at age 42, is one of many athletes saying that high-level sports aren't just for the young. And scientists say exercise reduces aging's toll for us all.

Kohei Uchimura, who has been the best in the world for seven years, kept his Olympic title in the all-around. American Kristin Armstrong took a third gold in cycling — a day before turning 43.

"For all the moms out there, I hope that this was a very inspiring day," Armstrong said after winning her race and making Olympic history in Rio de Janeiro.

Hundreds of elite endurance athletes were taking the prescription heart drug meldonium until it was banned in January. But a similar heart drug, telmisartan, is still allowed.

"This problem is worse than doping," French Secretary of State for Sports Thierry Braillard tells a newspaper.

Jaime Rangel was 14 when he was diagnosed with Type 2 diabetes. Bike rides helped him get in shape and defeat the illness. Now 26, he's showing other kids from low-income families how to do it.

A cycling group comprised of mostly Latino, bilingual, bicultural bikers is growing in Los Angeles — and changing people's minds about what recreational bikers look like.