Running

Running an entire marathon takes a lot of energy. Neuroscientist Carlos Matute knows this: he's run 18 of them. He wondered how runners' bodies get the energy they need to make it to the finish line. His new research in the journal Nature Metabolism may be the first step in answering the question – and suggests their brains might be (temporarily) depleting a fatty substance that coats nerve cells called myelin.

Around 3,425 people registered for the marathon, 12,000 for the half marathon, 2,650 for the 5K, and 2,100 for the 10K.

Anyone strolling, running or biking down a trail in the San Antonio area can largely thank the man who made building trails a centerpiece of his two terms in the mayor's office, from 1997 to 2001.

San Antonio may be seeing a running renaissance —with run clubs popping up all over the city, ranging from small groups of a handful of people to massive running collectives of hundreds of joggers.

NPR's Life Kit podcast brings you tips and tricks to start running — with help from Martinus Evans, author of Slow AF Run Club: The Ultimate Guide for Anyone Who Wants to Run.

Anyone not participating or watching may want to stay out of the area. Several road closures along the race routes are expected Saturday and Sunday, especially during the early morning hours.

San Antonio musician Stephanie Key says she considers herself lucky after recovering from COVID-19. Now, she has a plan to help others fight back.Lovers…

More lower-alcohol, lower-calorie beers are being marketed as part of an active lifestyle, and are even being offered after long runs or sporting events. But scientists say to be wary.

Peter Sagal's memoir, "The Incomplete Book of Running," is also a field guide to life. What can the sport teach you about survival? His collection of…

Is it possible to run a marathon in less than two hours? This question along with a history of the attempts fill the pages of Ed Caesar's new book "Two…