Onward Shay! Boise Half Marathon

Join us over Halloween weekend on October 27th, 2019 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


  • Early Bird until Dec 31: $35

  • Jan 1 - Sept 30: $65

  • Oct 1 - Oct 27: $85

2018 Onward Shay Half Marathon Course Map


Course certification number: ID17007LAB