
Nightmare on N. St. Mary’s Street 5k Run/ Walk is a running race on October 31, 2026 in San Antonio, TX, with an entry fee of $30.
From the Organizer
Join us for our third annual 5K event, where every step you take will make a difference in a student's life. By participating, you'll be supporting our mission to provide tuition assistance and create opportunities for deserving students. Lace up your shoes, join our community, and help us keep education accessible.
Register by September 15 to guarantee your event shirt!
Race fees: - No refunds - Rain or Shine
$30- Early fee
$35 -Starts on October 1st.
$40 - October 24 to race day.
Race will be timed
Medals for 1-3 place for men, and 1-3 for women
Medals for 1-3 for the costume contest after the race at the after race event
You are encouraged to run in you costumes
Costumes must be in good taste and family friendly. no face paint or mask or any fake weapons are allowed.
Course Map: https://www.plotaroute.com/route/2788605
FAQS: https://iaapweb.com/docs/5kFAQs.pdf
Packet pick up:
Registration and packet pickup starts at 7am on 10/31/2026, (on race day at race site)
Events
Weather
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
77°
Typical Low
54°
Chance of Rain
24%
Based on US Climate Normals data from San Antonio Incarnate Word, 2 mi from the venue.
Host City
Population
1,458,954
as of 2023
City Elevation
781 ft
Nearest Airport
SAT
San Antonio International Airport · 5 mi
Time Zone
Central Time
From Endurance Grid
A big city race. Expect multiple lodging options and plenty to do the day before.
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Nightmare on N. St. Mary’s Street 5k Run/ Walk , put it on the calendar, and turn “someday” into a start date.
115
Days to train
Plan your trip
Coming from out of town? There's more to San Antonio 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.
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From Endurance Grid
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.
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.
Frequently Asked Questions (FAQs)
Nightmare on N. St. Mary’s Street 5k Run/ Walk
Oct 31, 2026