Sunday River will host the Tough Mountain Challenge on Saturday, Aug. 28. The 5-kilometer event uses natural and man-made obstacles to test physical and mental endurance. The course starts at the bottom of the South Ridge base area, goes to the bottom of Spruce Peak, then down through the Barker base area before returning though the “Gates of Hell” to South Ridge. Registration is $29 and includes lunch. The race is limited to athletes age 18 or older. Call 824-3000 or visit www.sundayriver.com for more information or to register.

The Stefano Nappi BBCH Memorial Golf Tournament will be held Monday, Sept. 12, at Riverside Golf Course. For more information or to register, visit www.mmc.org/nappifund.