Trail Work

Several ultras across the country require that participants complete a certain amount of volunteer trail work (typically 8 hours) before they can compete in the event.  At this time, the Black Hills 100 has no such requirement; however, opportunities do exist to earn some trail work hours on the Centennial Trail, which can be used to meet trail work requirements for other ultras.  If you are interested in participating in trail work activities, please contact us at .  Any and all help is greatly appreciated by both us and your fellow runners!