The Nevada All State Trail Riders will hold their Annual Horse Endurance Event on May 6.
That event will begin and end at Washoe State Park in Washoe Valley.
The horseback event uses dirt roads and trails south and east of Virginia City, Carson City and Dayton.
The riders will compete over 25-mile, 50-mile and 100-mile routes.
As many as 160 riders could compete.
For information, call Connie Creech at 882-6591 or Fran Hull, outdoor recreation planner, at the Bureau of Land Management Carson City Field Office at 885-6161.