In 225 days · Sun, May 2, 2027
Don't let race day sneak up
One email during race week. That's it.
When
Sunday, May 2nd, 2027
Where
Treasure Valley, Boise ID
Distances
Marathon · Half · 10K · 5K
Typical weather
44–69°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2026
47–80°F
dry
2025
47–79°F
dry
2024
41–55°F
dry
2023
49–82°F
dry
2022
43–67°F
rain
2021
47–64°F
dry
2020
45–78°F
dry
2019
42–66°F
dry
2018
38–67°F
dry
2017
45–62°F
dry
Best months to race in Idaho →
About this race
Boise River Marathon
Date: May 2, 2027
Location: Treasure Valley, Boise, ID
Race Overview
- Website: www.boiserivermarthon.com
- Updates: Visit the website for the latest information.
Additional Information
- Event Type: Marathon
- City: Boise
- State: Idaho
Registration
- Sign Up: For registration details, visit the main website.
- Token: Use this link for registration here.
Course map
Hotels for race weekend
Live prices near the start line, May 1 – 3, 2027.
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