Single track (mountain biking)

It is often smooth and flowing, but may also feature technical rocky sections, go over tree roots, and include berms, banked turns, switch-backs, hills, drops, jumps, and so forth.

Organized volunteers coordinate with park districts or land owners to modify the natural woods or terrain to accommodate singletrack bikers.

In one report, the USDA highlights several potential problems when it comes to trail building: effects on natural resources, use of designated wilderness, conflict with other users, and notable safety issues.

[5] In 2000, Clemson University (South Carolina, U.S.) Department of Crop, Soil and Environmental Sciences conducted a study on mountain biking and the sustainability of the sport as it relates to the natural environment.

Resource managers, typically employed by private or federal agencies, are in position to make judgment on how and when trail maintenance needs to be done.