Thomas Borch, Bill Frielingsdorf, Jim Fu, and Greg Scanlan had their day under the Breckenridge sun at the 4th of July Firecracker 50/USAC Marathon National Championships.

This anything-can-happen race is as fast and competitive as it is fun and unpredictable with its epic course that is quintessentially mountain biking: high elevation, wooded singletrack, exposed fire roads, [...]