
YMCA Halloween Run presented by Micron is a running race on October 24, 2026 in Boise, ID, with entry fees from $30 to $60.
From the Organizer
Get ready for a frightfully fun time at the YMCA Halloween Run!
Choose between the Half Marathon, Freaky 5K, or Monster Mile and show off your spookiest costume. This event is packed with festive energy, music, and plenty of great Halloween fun along the way.
Stay after for the Micron Trunk or Treat
Start Times:
Half Marathon - 9:00am
Freaky 5K – 10:00 am
Monster Mile – 10:15am
Courses start and finish in Ann Morison Park
Wear your costumes, neon, or fluorescent clothing, glowsticks, lights, and more...have fun and be creative!
We'll have a pre-race costume contest with prizes for the winners!
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
60°
Typical Low
38°
Chance of Rain
23%
Based on US Climate Normals data from Boise Air Terminal, 5 mi from the venue.
Host City
Population
235,701
as of 2023
City Elevation
2,866 ft
Nearest Airport
BOI
Boise Air Terminal/Gowen Field · 1 mi
Time Zone
Mountain Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at YMCA Halloween Run presented by Micron, put it on the calendar, and turn “someday” into a start date.
93
Days to train
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From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
St. Luke's FitOne 5K/10K/Half Marathon
1 mile away
YMCA Harrison Classic Kids Run presented by Blue Cross of Idaho
Less than a mile away
Boise Half Marathon
Less than a mile away
YMCA Thanksgiving Leftovers Fun Run
Less than a mile away
Plan your trip
Coming from out of town? There's more to Boise than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to BoiseFrequently Asked Questions (FAQs)
YMCA Halloween Run presented by Micron
Oct 24, 2026