Haunted Half Marathon and 5k by Run the Undergrad
Haunted Half Marathon and 5k by Run the Undergrad is a running race on October 24, 2026 in Rexburg, ID, with entry fees from $10 to $60.
- Date
- October 24, 2026 (93 days to go)
- Location
- S 2nd W & 3rd W, Rexburg, ID
- Price
- $10–$60
- Sport
- Running
From the Organizer
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.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
54°
Typical Low
31°
Chance of Rain
25%
Based on US Climate Normals data from Rexburg Byu Idaho, 1 mi from the venue.
Host City
About Rexburg, ID
City Elevation
5,235 ft
Nearest Airport
IDA
Idaho Falls Regional Airport · 25 mi
Time Zone
Mountain Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Haunted Half Marathon and 5k by Run the Undergrad, put it on the calendar, and turn “someday” into a start date.
93
Days to train
- Race
- Haunted Half Marathon and 5k by Run the Undergrad
- Date
- October 24, 2026
- Location
- S 2nd W & 3rd W, Rexburg, ID
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From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More Running races near Rexburg, ID
Snow King Hill Climb
5K · From $40 · 10 East Snow King Avenue
57 miles away
Farm Life 5k Trail Run
5K · From $15 · 1542 E 73rd S
29 miles away
Jogging for Josh
1 Mile · 5K · From $20 · 1020 Landbank St.
25 miles away
Lyndsey Kunz Memorial Run
5K · 10K · From $25 · 180 Elm Street
37 miles away
Plan your trip
Make it a Racecation
Coming from out of town? There's more to Rexburg than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to RexburgFrequently Asked Questions (FAQs)
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Haunted Half Marathon and 5k by Run the Undergrad
Oct 24, 2026