The mostly flat to gently rolling Onward Shay! Marathon starts and finishes in downtown Boise alongside the Boise River.
Runners pass by Bpise State Universsity, travels through downtown Boise, passes by the State Capitol building and then travels goes through several Boise neighborhoods, including Harrison Blvd. and Warm Springs Blvd., up 13th St. and through Hyde Park and back.
The Onward Shay! Boise Marathon was the 269th largest marathon in the U.S. last year.
Its Course Score of 99.00 ranks it as the 188th fastest marathon course in the U.S. and the 4th fastest course in Idaho.
The typical race time temperature and humidity levels are within the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Onward Shay! Boise Marathon a PR Score of 99.00. This PR Score ranks it as the 132nd fastest marathon in the U.S. and the 4th fastest in Idaho.
Learn more about PR Scores and Course Scores on the FAQ page.