When: Third Saturday in August (check official site to be sure)
The Northern Utah Trail Series (N.U.T.S) produces this dirt trail half marathon. It begins at Rainbow Gardens in Ogden and runs along the Bonneville Shoreline Trail, with pieces of Mount Ogden loop trail, Strong Canyon trail, Beus Canyon and Taylor Canyon thrown in.
The race is limited to 300 runners
Links:
Official Site:
http://northernutahtrailseries.com/
Maps:
Bonneville Shoreline Trail -Generic Map of Ogden Section/ (Pleasant View to I-84)