YMCA Halloween Monster Mile & Freaky 5K Presented by Micron

October 28, 2023
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Halloween is coming! You Better Run!  Join us for the 2023 YMCA Halloween Run Presented By Micron 
Trick out your costume and treat yourself to a ghoulish run! Choose from either the Monster Mile or Freaky 5k course and run (for your life)! Have fun, be creative, and win prizes for best costume! (Family Friendly is a Must!)
Join us on the Micron Campus for the Monster Mile and Freaky Fast 5K – a new spooky course for the family!

Everyone participating in the YMCA Halloween Run receives a Glow in the Dark Sweatshirt and a Medal!

Packet Pick-Up: 
Packets will be available on Saturday, Oct 28th  starting at 3:00 pm at Starting Area in Micron Park (3715-3727 Technology Ln, Boise, ID 83716)

Start Times: 
Come early for the Micron Trunk or Treat! Starting at 3:30 near the starting area. 

Monster Mile – 4:30 pm
Freaky Fast 5K – 5:00 pm

Location & Parking:
The event will be held on Micron’s Campus in Boise. Use HWY 21 to S Technology Way to enter the area.  That will be the only entrance open to participants.
Check out the map for parking in the North Lot within Micron Campus. It’s a short walk from the lot to the starting area, be sure to arrive with enough time to make it to the starting area.

Pets are not allowed at this event. Thank you!

Holiday Food Drive: October is Hunger Awareness Month
Micron and the YMCA will be hosting a Holiday Canned Food Drive for The Idaho Foodbank with your help. Hunger exists in every county of Idaho and the United States.
Bring a few items to kick off this Food Drive, every item helps!  Donation bins will be available at the run start area. Learn what items are needed.


The Y is for All! Compassion and Inclusion are our Strength!

The Treasure Valley Family YMCA is a force for building bridges among all people–regardless of ability. Thanks to  THRIVE and AquAbility we are able to provide running buddies for any participant who might need individual assistance on the course.

Email: racedirector@ymcatvidaho.org if you would like to reserve a running buddy for your athlete!

For more information regarding THRIVE follow this link! https://www.ymcatvidaho.org/facilities/thrive/


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Fees & Registration Information

Youth Monster Mile & Freaky 5k Run Fees: fees include a race t-shirt & finisher medals! 4-14 yrs old

Youth Monster Mile: Sept 1 - Oct 15 $30
Late Registration: Oct 16th- 27th $35
Onsite Registration $40

Adult Monster Mile & Freaky 5K Run Fees: Fees include a race t-shirts & finisher medals! 15 & Up

Adult Registration: Sept 1 - Oct 15th $40
Late Registration: Oct 16th- 27th $45
Onsite Registration $50
Course Maps & Information


Course Info: The course will start and finish on Micron’s Boise Campus. 

The 5k course is an out and back and will take place on their greenbelt within the campus. Please review the maps for parking information. Enter the area through Gate D from HWY 21 and S Technology Way to access the parking and starting area. It’s a short walk from the parking area to the start area. Be sure to give your family enough time to arrive on time.

Micron Trunk Or Treat – 3:30 pm – open to all participants!

Volunteer Information

We Want You!
Not racing but love to be part of the action? The YMCA would not be able to host this event without the help of great volunteers like you! Help is needed both on and off the course. We require volunteers to complete an online volunteer application. Click Here>> to learn more and apply.
If you have any questions please call 208 344 5502 ext 280 or email us at racedirector@ymcatvidaho.org

Contact Information

YMCA Race Director
208 344 5502 ext 280


Refund Policy: 

Cancellations made less than 15 days prior to the race/event will receive no refund. Cancellations made more than 15 days prior will receive a 50% refund either as a check or a system credit. The system credit may only be applied to another YMCA race/event within the current calendar year. Entries, once purchased, may not be transferred, resold, exchanged, or given to another person. We hope very much that you are able to join us on race day. We value your participation and want to provide you with a memorable and quality race day. Please contact the Race Director at racedirector@ymcatvidaho.org with any questions.

Past Results


Thank you to our sponsors:

  • Micron