Haunted Half Marathon and 5k by Run the Undergrad
Rexburg's Haunted Half transforms Porter Park into a Halloween thrill with costumed volunteers and eerie decorations.
Race Date
Oct 24, 2026
Location
Rexburg, ID
Quick facts
- Date
- Saturday, October 24, 2026
- Location
- Rexburg, Idaho
- Distance
- Half marathon (13.1 mi) + 3.1 Miles, 13.2 Miles
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
Course
The Experience
The Haunted Half Marathon and 5K in Rexburg, Idaho, offers a unique Halloween-themed running experience within Porter Park. This event transforms the familiar community space into a chilling adventure, complete with eerie decorations and costumed volunteers ready to add a spooky element to the course.
Runners can expect a course that winds through the park's tree-lined paths and open green spaces. The atmosphere shifts from festive and family-friendly during the day to a more adrenaline-pumping, spooky vibe as dusk approaches, making it an engaging run for participants of all levels.
This race is designed for those looking to embrace the season, encouraging costumes and a spirit of fun alongside the challenge of the run. It promises a hauntingly unforgettable way to celebrate Halloween.
Race-provided description
Get ready for a spine-tingling race experience at Porter Park in Rexburg on October 24, 2026, where the Haunted Half Marathon & 5K transforms this beloved community gathering place into a chilling Halloween adventure. Runners will wind through the park’s tree-lined paths and open green spaces—normally known for recreation and events—now filled with eerie decorations, costumed volunteers, and surprise frights around every corner. With a festive, family-friendly atmosphere by day and a spooky, adrenaline-pumping vibe by dusk, this race invites participants of all levels to dress up, push their limits, and celebrate the season with a hauntingly unforgettable run.
Logistics
Race Day
Saturday, October 24, 2026
Start Time
10:00 AM
Giveaway
T-Shirt
Start Location
S 2nd W & 3rd W, Rexburg, ID, 83440
Course Info
Course Type
Loop Course
Terrain
road
Scenery
Park
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
3 timing sources
no finisher data yet
no winner time yet
typical high 53°F
Race Day Weather
5-year historical avgStart (Low)
33°
Afternoon (High)
53°
Ideal racing weather — cool and comfortable
0.1"
Precipitation
12 mph
Wind
67%
Humidity
Race Photos
Frequently asked
When is the Haunted Half Marathon and 5k by Run the Undergrad?
The Haunted Half Marathon and 5k by Run the Undergrad is held on Saturday, October 24, 2026, starting at 10:00 AM.
Where does the Haunted Half Marathon and 5k by Run the Undergrad take place?
It takes place in Rexburg, Idaho.
What distances does the Haunted Half Marathon and 5k by Run the Undergrad offer?
The half marathon (13.1 miles), plus 3.1 Miles, 13.2 Miles.
Is the Haunted Half Marathon and 5k by Run the Undergrad course flat and good for a PR?
The Haunted Half Marathon and 5k by Run the Undergrad is a ultra-flat, loop course course.
HalfRuns editorial — independent, no paid placement.
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