A 17-year-old made an app that has a race calculator and uses AI to measure wear and tear on running shoes.

Learn how UCAN helped fuel Sara Hall's success in London.

Treat yourself to your own Valentine's Day gift by buying Alex Hutchinson's new book Endure which we give our highest rating - 5 stars out of 5.

What did we learn from the top high school coaches in the country? Joan Hunter, Dan Iverson, Jonathan Dalby, and John O'Malley. A lot.

Generation UCAN fuels America's best marathoners.

The next time you see scores of women collapsing at the end of a race, you might want to think twice before assuming this means they are less tough than men.

For years, scientists have been working on solutions to keep athletes cool before, during and after competition. We took a look at the dhamaSPORT, a new cooling wristband used by multiple U.S. Olympians in Rio which will also be used by several members of Team USA at the upcoming World Cross Country Championships in Uganda.

Generation UCAN fuels America's best marathoners.

Generation UCAN fuels America's best marathoners.

We made a mistake in our article on Schwartz and fortunately for all of us that caused Schwartz to share more info on Critical Velocity pace.

Generation UCAN fuels America's best marathoners.

See what fuels two of America's best marathoners.

Meb Keflezighi is still taking names at age 40. How does he do it? His nutrition is super important.

Meet America's Blue Collar female marathoners. All with jobs. All hoping to kick ass in Chicago: Whitney Bevins-Lazarra, Sara Cummings, Heidi Greenwood, Lindsey Scherf, Wendy Thomas

We sat down with America's Blue Collar marathoners and had our first LRC video roundtable, asking them how they got to this point in their careers, about their training, and much, much more. Plus, they give their advice to debut marathoners including Matt Llano.

The training interview of the weekend from Chicago.

Two-time World Cross-Country champion Craig Virgin generated some heated debate when he took to his Facebook page after Galen Rupp's American two-mile record run and said among other things, "What is Galen taking or doing ... that is giving him such amazing recuperative/restorative powers?" Virgin called for more transparency in the legal supplements/medications athletes may be taking. LRC spoke with Virgin on his comments and with Galen Rupp's agent Ricky Simms about Virgin's comments and the calls for more transparency. Plus, Simms tells LRC Mo Farah has never been on thyroid medication.
*MB: Craig Virgin and Fam have interesting comments on Rupp and NOP