Course
Point-to-point course along the paved Boise River Greenbelt, running from Lucky Peak Reservoir into southeast Boise and finishing at Sandy Point Park, with river views throughout. Marathon, half marathon, 10K and 5K distances.
Marathon42.2 km
Half Marathon21.1 km
10K10 km
5K5 km
Key dates
- ★Race dayOctober 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
Idaho Running Day is an annual road race in Boise, Idaho, organized by Boise Running. It offers marathon, half marathon, 10K, and 5K distances, giving runners of all levels a course through Idaho's capital city.
Your next race, seen from above.
Save Idaho Running Day to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Idaho Running Day to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Boise Half Marathon
Follows the Boise River along the Greenbelt
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.