Boise Half

Boise, ID, USA · November 14, 2026
partly-cloudy-day40°·47° high·Breezy·Dry
8
Register
Weather
Pace Calc
Course
FAQ
History

Race Day Weather

partly-cloudy-day
40°at start
51° high
Breezy
Dry

Cool start, steady conditions

Runners will face a temperature rising from 40°F to 48°F, with a gentle breeze from the ESE at 9 mph. Humidity will hover around 60%, making for comfortable conditions. Given the cool temperatures, runners can maintain their pace but should stay mindful of hydration as they warm up.

Race day forecast available in 78 days
partly-cloudy-night7
partly-cloudy-night7
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day9

Pace Calculator

Distance: 13.1mi
0:00:00
HH:MM:SS
Pace
—
Weather Adj.
—
Common Goals:

Get forecast alerts for Boise Half

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

Website
Area Map

Course Map

Course Map Unavailable

We don't have course map data for Boise Half yet. If you have a GPX file (or other format) for this race, we'd love to add it!

FAQ

Ask a Question about the Boise Half

Racecast Concierge (free during beta)

Ask a question about the Boise Half and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the Boise Half and general racecast.io updates.

When is the 2026 Boise Half?

The 2026 Boise Half will be held on Saturday November 14, 2026.

What is the time limit for the Boise Half?

The time limit for the Boise Half is 3 hours.

What will the weather be like for the 2026 Boise Half?

The forecast calls for a high of 53°F and a low of 37°F with a 6% chance of rain.

Historical Weather

Based on 2 years of data
Avg Temp
48°F
L:39° H:48°
RunScore
7
Conditions
Rain Freq
0%
0 of 2 yrs
Wind13mph
Dew30°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2025 Boise Half

Clear conditions throughout the day.

2025
clear-day
46°/57°-
9

2024 Boise Half

Clear conditions throughout the day.

2024
clear-day
32°/39°-
6

More ID Races

Famous Idaho Potato Marathon
2027-05-15 · Boise, ID, USA
Pocatello Marathon
2026-09-05 · Pocatello, ID, USA
Hayden Lake Marathon
2026-10-10 · Hayden, ID, USA
City of Trees Marathon
2026-10-10 · Boise, ID, USA
Idaho Running Day Marathon
2026-10-17 · Boise, ID, USA
Free guidesFueling Guide·Race Morning Guide·Race Day Gear Guide·Pacing Strategy Guide

Race Day Alerts

Get notified when the Boise Half forecast shifts — so you can adjust your gear, pacing, and strategy.

Forecast shift alerts (temp, wind, rain)
Updates as weather changes leading up to race day
Max one message per day
Text Alerts

USA, UK, and Canada only. Standard rates apply.

or
Email Alerts

By subscribing you agree to receive race forecasts and racecast.io updates.

Submit a correction

Spot something wrong or missing for the Boise Half? Let us know and we'll update it.

You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR

Submit a race

Missing a race? Send it in and we'll add it to Racecast.