Run The Boo- 5K & Kids Race
Oct 31Dillon, MT5K
Also a 5K, 62 mi from Haunted Run 5k and Kids Fun Run, registration open
Listed from RunSignUp. Checked Oct 22, 2026.
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Build my planRock your favorite costume to take on a 5K full of Halloween-themed challenges and bring the kids for the Kids Fun Run and Costume Parade! Both events are hosted by Moving Mountains in support of Morningstar Learning Center. Stick around after the races for a Block Party hosted by Beehive Basin Brewery and Moving Mountains, featuring live music and food trucks!
The Kids Fun Run and Costume Parade is open to ages 12 and under. The route begins at Moving Mountains, heads down Town Center Avenue for some festive obstacles and finishes at the Visit Big Sky building for where a Haunted House will be staged. Parents or siblings are encouraged to join the fun by walking or running alongside the little ones.
Registration for the 5K is $30 and includes a Haunted Run swag tote bag and a beverage from Beehive Basin Brewery. Additional donations can be made to Morningstar Learning Center on our donations page. This year’s course will take runners on a paved route through Grey Drake and Town Center.
Registration for the Kids Race is $20 and includes a Haunted Run swag tote bag, a token valid for entry to the Haunted House(Visit Big Sky Building), and an entry into the Moving Mountains Costume Contest.
Packet pick-up and registration for both events will take place at Moving Mountains from 10:30 to 11:30 am. Additional registration for the Kids Fun Run will be open from 1:00 to 1:35 pm.
Schedule of Events:
10:30–11:30 am – Packet Pick Up & Registration
11:30a - Beehive Basin Brewery opens, live music and food trucks to follow
12:00 pm – Haunted Run 5K Start
1:00 pm – 5K Awards & Costume Contest at Beehive Basin Brewery
1:00–1:35 pm – Kids Fun Run Packet Pick Up & Registration
1:45 pm – Kids Fun Run & Costume Parade
For questions, please contact the race director at amy@movingmountainsmt.com.
Registration opens
Sep 27, 2026
Registration closes
Oct 31, 2026
Race day
Oct 31, 2026
Standard ends
Oct 31, 2026
Haunted Run 5k
Standard, until Oct 31, 2026
$30
Kids Fun Run and Costume Parade
Standard, until Oct 31, 2026
$20
Registration openings and major changes, like a new date or a cancellation.
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