Idaho · Half Marathon · 5K · 13.2 Miles
Haunted Half Marathon and 5k by Run the Undergrad
Haunted Half Marathon and 5k by Run the Undergrad is a half marathon, 5K and 13.2 Miles event held in Rexburg, Idaho. It was last held on October 24, 2026 and is usually run in October; the next date hasn't been announced yet.
- Usually held
- October
- Location
- Rexburg, ID
Race details
- Last held
- October 24, 2026
- Usually held in
- October
- Location
- Rexburg, Idaho
- Distances
- Half Marathon, 5K, 13.2 Miles
- Registration
- runsignup.com
- Official website
- runsignup.com
Registration, course & weather
- Registration status
- Registration status as last checked September 26, 2026: open
- Start time
- 10:00 AM MDT
- Course profile — Half Marathon
- Loop course; Road surface
- Course profile — 5K
- Loop course; Road surface
About the Haunted Half Marathon and 5k by Run the Undergrad
The Haunted Half Marathon and 5K by Run the Undergrad turns Rexburg's Porter Park into a Halloween-themed course, with runners winding through tree-lined paths and open green spaces decorated with spooky props and staffed by costumed volunteers. It's a family-friendly, costume-encouraged community race organized around the BYU-Idaho student running scene.
More half marathons in Idaho
Coming up next, by confirmed date.
More races in Rexburg
More upcoming races in Idaho
-
Endless Trails Series RegistrationsMcCall, IDVirtual virtuosoVirtual long legsIn-person long legsVirtual shorties +2 more
Keep exploring
- All races in Idaho
- 5Ks in Idaho 37 upcoming races
- 10Ks in Idaho 18 upcoming races
- Half Marathons in Idaho 25 upcoming races
- Marathons in Idaho 14 upcoming races
- 5Ks in the United States 6,420 upcoming races
- Half Marathons in the United States 1,828 upcoming races
- Fall Half Marathons
- October Half Marathons
- October races in Idaho
- Half Marathons in Washington 54 upcoming races
- Half Marathons in Utah 53 upcoming races
- Half Marathons in Nevada 35 upcoming races
- Half Marathons in Oregon 29 upcoming races
Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Haunted Half Marathon and 5k by Run the Undergrad: common questions
- When is the Haunted Half Marathon and 5k by Run the Undergrad?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Haunted Half Marathon and 5k by Run the Undergrad held?
- In Rexburg, Idaho.
- What distances does the Haunted Half Marathon and 5k by Run the Undergrad offer?
- Half Marathon, 5K and 13.2 Miles.
- How do I register for the Haunted Half Marathon and 5k by Run the Undergrad?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Haunted Half Marathon and 5k by Run the Undergrad?
- Registration status as last checked September 26, 2026: open. Listed fee for the longest distance, $10 (from runsignup.com, checked September 26, 2026).
- What time does the Haunted Half Marathon and 5k by Run the Undergrad start?
- 10:00 AM MDT.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.