Haunted Half Marathon and 5k by Run the Undergrad
Haunted Half Marathon and 5k by Run the Undergrad logo

Haunted Half Marathon and 5k by Run the Undergrad

Rexburg, Idaho, United States View on map
Oct 24, 2026 (America/Boise local time)
Running

About this race

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.

Pick your distance

Running

Haunted 5k BYU-I Student Entry

Oct 24, 2026 5K 10:00 AM
$10.00
Open

Haunted 5k

Oct 24, 2026 5K 10:00 AM
$25.00
Open

Haunted Half Marathon BYU-I Student Entry

Oct 24, 2026 Half-Marathon 10:00 AM
$25.00
Open

Haunted Half Marathon

Oct 24, 2026 Half-Marathon 10:00 AM
$60.00
Open

Race-day daylight

We have no recorded weather for Rexburg yet, but sunrise and sunset follow from the venue and the date.

Sunrise
Sunrise at the start line on October 24, 2026 (MDT)
Sunset
Sunset at the start line on October 24, 2026 (MDT)
Daylight
Hours between sunrise and sunset on race day
10h 35m

The sun rises at 7:53 AM and sets at 6:29 PM local time (MDT) in Rexburg on October 24, 2026 — 10h 35m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 1 Rexburg event

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