Dancing Bear Lodge and the Blount Partnership will host the fifth annual fall Bicycle Bash on Sept. 19 starting at 9 a.m. Riders can choose between a 27-mile, 37-mile or 59-mile course starting at 7140 E. Lamar Alexander Parkway in Townsend. Proceeds from the event will go to Bike Elf, a nonprofit that donates bikes to disadvantaged children.