Onward Shay! Boise Half Marathon

Join us over Halloween weekend for this half marathon, right in the heart of downtown Boise. The course weaves through Boise's scenic neighborhoods, the Boise greenbelt and our vibrant downtown area.

Get the half marathon map >

  • Fun race - this is a dress-up marathon! Not only is the race over Halloween weekend, but our theme is also Wizard of Oz

  • Run for charity! All proceeds from our race benefit the Multiple Myeloma Research foundation as well as local charities


  • Dec 1 - Dec 31: $30

  • Jan 1 - April 30: $45

  • May 1 - August 30: $60

  • Sept 1 - Race day: $75

2017 Onward Shay Half Marathon Course Map*


*Subject to change. New course map will be posted closer to race weekend.

Course certification number: ID17007LAB