Challenge Selected As U.S. National 12-Hour Championship December 30, 2019For the third year in a row, the World UltraCycling Association (WUCA) has selected the Maryland Endurance Challenge as the site for the annual U.S. National 12-Hour Championship. WUCA is the leading international organization dedicated to ultra cycling. The 12-Hour National Championship is the cornerstone event within the Maryland Endurance Challenge which also includes the Free State 6-Hour and Mason-Dixon 3-Hour rides. The 2020 Challenge will be held on Saturday, May 30th. The Maryland Endurance Challenge is produced by SHIP of Frederick County, a nonprofit 501(c)(3) agency who provides critical services and essential support for the hundreds of Frederick County youth experiencing homelessness each year. To register for the 2020 U.S. National 12-Hour Championship, click here.