Marathons Events in Boise

Check out happening marathons events all around Boise, ID

2026 Boise Marathon

 Sat, 20 Jun at 06:00 am Boise, Idaho, United States

2026 City of Trees Marathon

 Sun, 11 Oct at 09:00 am Boise, Idaho, United States

Idaho Running Day -- 5K, 10K, Half Marathon and Marathon

 Sat, 17 Oct at 08:00 am Lucky Peak State Park

2026 Boise Half Marathon

 Sat, 14 Nov at 09:00 am Boise, Idaho, United States

2026 Treasure Valley YMCA Treasure Valley Triathlon

 Sat, 06 Jun at 08:15 am Boise River Greenbelt, Boise, ID, United States

Christmas 5K/10K/Half Marathon in July - Boise

 Sat, 11 Jul at 07:00 am Ann Morrison Park, Boise Idaho

IRONMAN 70.3 Boise

 Sat, 25 Jul at 06:00 am Lucky Peak Reservoir

2026 CAF-Idaho Kids Paratriathlon Camp

 Fri, 24 Jul at 08:30 am 3179 E Barber Valley Dr, Boise, ID 83716-4735, United States

Challenge your Yoga Skills with 108 Surya Namaskar Marathon - Boise, ID

 Sun, 05 May at 09:00 am Boise USD 20